tag:blogger.com,1999:blog-85480710530391969312024-03-13T13:27:13.221-07:00listrikteori listrik ,informasi listrik, alat-alat listrikDhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.comBlogger18125tag:blogger.com,1999:blog-8548071053039196931.post-56101182094265670732012-04-02T12:09:00.000-07:002012-04-03T13:09:33.198-07:00kabel listrik<div style="font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
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<span style="background-color: white; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="color: blue;">macam macam kabel</span></span></h3>
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /><span style="background-color: white; color: #333333;">Kabel NYA<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span><br />
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="font-weight: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYA</span></strong> berinti tunggal, berlapis bahan isolasi PVC, untuk instalasi luar/kabel udara. Kode warna isolasi ada warna merah, kuning, biru dan hitam. Kabel tipe ini umum</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> dip</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">ergunakan di perumahan karena harganya yang relatif murah. Lapisan isolasinya hanya 1 lapis sehingga mudah cacat, tidak tahan air (NYA adalah tipe kabel udara) dan mudah digigit ti</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">ku</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">s.</span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288894262611529410" src="http://2.bp.blogspot.com/_9NevJlX_Adg/SWXtT2GPzsI/AAAAAAAAAng/vSjmIzuA-L8/s400/kabel+NYA.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 225px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 77px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Agar aman memakai kabel tipe ini, kabel harus dipasang dalam pipa/conduit jenis PVC atau saluran </span><br />
<a name='more'></a><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">tertutup. Sehingga tidak mudah menjadi sasaran gigitan tikus, dan apabila ada isolasi yang terkelupas tidak tersentuh langsung oleh orang.</span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span></span></span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYM</span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="font-weight: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYM</span></strong> memiliki lapisan isolasi PVC (<strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">bia</strong></span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">sanya warna putih atau </strong></span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">abu-abu</strong>), ada yang berinti 2, 3 atau 4. Kabel NYM memiliki lapisan isolasi dua l</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">apis, sehingga tingkat keamanannya lebih baik dari kabel NYA (harganya lebih mahal dari NYA). Kabel ini dapat dipergunakan dilingkungan yang kering dan basah, namun tidak boleh ditanam.</span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288895037095909010" src="http://4.bp.blogspot.com/_9NevJlX_Adg/SWXuA7RtlpI/AAAAAAAAAn4/_7OyMURjz3w/s400/kabel+NYM.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 108px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 294px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpFirst" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYAF<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYAF merupakan jenis kabel fleksibel dengan penghantar tembaga serabut berisolasi PVC. Digunakan untuk instalasi panel-panel yang memerlukan </span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">fleksibelitas yang tinggi.<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
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<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span>kabel NYAF</span></div>
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<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288894250726459938" src="http://4.bp.blogspot.com/_9NevJlX_Adg/SWXtTJ0oCiI/AAAAAAAAAnA/mpzzZpbdjIA/s400/ACAR.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 279px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 87px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpLast" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYY<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="font-weight: normal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYY</span></strong> memiliki lapisan isolasi PVC (<strong style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">biasanya warna hitam</strong>), ada yang berinti 2, 3 atau 4. Kabel NYY dipergunakan untuk instalasi tertanam (kabel tanah), dan memiliki lapisan isolasi yang lebih kuat dari kabel NYM (harganya lebih mahal dari NYM). Kabel NYY memiliki isolasi yang terbuat dari bahan yang tidak disukai tikus.</span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288895038328458690" src="http://3.bp.blogspot.com/_9NevJlX_Adg/SWXuA_3kzcI/AAAAAAAAAoA/I-aNfrgnzmw/s400/kabel+NYY.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 240px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 56px;" /></span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
</div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: 36pt;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: 36pt;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: 36pt;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: 36pt;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpFirst" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabbel NYFGbY<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpLast" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel NYFGbY ini digunakan untuk instalasi bawah tanah, di dalam ruangan di dalam saluran-saluran dan pada tempat-tempat yang terbuka dimana perlindungan terhadap gangguan mekanis dibutuhkan, atau untuk tekanan rentangan yang tinggi selama dipasang dan dioperasikan.<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288895023862312578" src="http://4.bp.blogspot.com/_9NevJlX_Adg/SWXuAJ-k7oI/AAAAAAAAAnw/_lpoDjAe9Jg/s400/kabel+NYFGBY.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 256px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 56px;" /></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoNormal" style="background-color: white; color: #333333; font-family: Calibri, sans-serif; font-size: 11pt; line-height: 17px; margin-bottom: 10pt; margin-left: 0cm; margin-right: 0cm; margin-top: 0cm; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpFirst" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel ACSR<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel ACSR merupakan kawat penghantar yang terdiri dari aluminium berinti kawat baja.Kabel ini digunakan untuk saluran-saluran transmisi <i style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">tegangan tinggi</i>, dimana jarak antara menara/tiang berjauhan, mencapai ratusan meter, maka dibutuhkan kuat tarik yang lebih tinggi, untuk itu digunakan kawat penghantar <span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">ACSR</span>.</span></span></div>
<div style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-left: 36pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288894261096834738" src="http://2.bp.blogspot.com/_9NevJlX_Adg/SWXtTwdHZrI/AAAAAAAAAnY/R6V6fVQr4cc/s400/kabel+ACSR.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 213px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 210px;" /></span></div>
<span style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span><span class="fullpost" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span><span style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px;"></span><br />
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></span><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="font-family: Wingdings; line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel AAAC<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span>ini terbuat<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span>dari aluminium-magnesium-silicon campuran logam, keterhantaran elektris tinggi yang berisi magnesium silicide, untuk memberi sifat yang lebih baik. Kabel ini biasanya dibuat dari paduan aluminium 6201. AAAC mempunyai suatu anti karat dan kekuatan yang baik, sehingga daya hantarnya lebih baik.<o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5288894253340988066" src="http://3.bp.blogspot.com/_9NevJlX_Adg/SWXtTTj-kqI/AAAAAAAAAnI/LVp0joFbHBg/s400/kabel+AAAC.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; cursor: pointer; height: 290px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: 175px;" /></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; margin-bottom: 0.0001pt; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-indent: -18pt;">
<span style="color: black; font-family: Wingdings; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Ø<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span></span></span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel ACAR</span><span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><o:p style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"></o:p></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span class="fullpost" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><span style="line-height: 12px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kabel<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span>ACAR<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"> </span>yaitu kawat penghantar aluminium yang diperkuat dengan logam campuran, sehingga kabel ini lebih kuat daripada kabel ACSR.</span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="background-color: white; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 16px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div>
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<span style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><br style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></span></div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-23492147937442302082012-03-27T18:50:00.001-07:002012-04-03T13:15:47.557-07:00rangkaian start stop<span style="background-color: white;"><br /></span><br />
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RANGKAIAN START STOP</span></h3>
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<span style="background-color: white;">@ prinsip kerja rangkaian</span><br />
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<span style="background-color: white;"> apabila pushbottom on di tekan arus listrik akan mengalir dari pushbottom off melewati push bottom on menuju overload dan dari overload menuju coil setelah coil bekerja NO K1 mengunci sehingga apabila push bottom on di lepas kontaktor tidak mati karena arus listrik mengalir melewati NO K1 , dan motor pun bekerja</span></div>
</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com1tag:blogger.com,1999:blog-8548071053039196931.post-61533786057349684142012-03-27T18:49:00.002-07:002012-04-03T13:10:05.159-07:00rangkaian berurutan<br />
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<span style="background-color: #ffe599;"><span style="color: #cc0000;">RANGKAIAN BERURUTAN</span></span></h3>
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<span style="background-color: #ffe599;"><span style="color: #cc0000;"><span style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px;"><img src="http://3.bp.blogspot.com/-zD9HviTpfTs/TbQpP7pZt7I/AAAAAAAAAk4/PGy9VPd8e_w/s400/1.png" style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; padding-bottom: 8px; padding-left: 8px; padding-right: 8px; padding-top: 8px;" /></span></span></span><br />
<a name='more'></a><span style="background-color: #ffe599;"><span style="color: #cc0000;"><span style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px;"><img src="http://4.bp.blogspot.com/-2uVkQNUcng4/TbQpQD7hUKI/AAAAAAAAAlA/SB5HWlAtAQQ/s400/2.png" style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; padding-bottom: 8px; padding-left: 8px; padding-right: 8px; padding-top: 8px;" /></span><br />@ prinsip kerja rangkaian<br /> rangkaian ini bekerja berurutan untuk mengendalikan 2 buah motor 3 fase dari Motor 1 ke Motor 2 sehingga pabila timbol on 2 di hidupkan k2 tidak akan hidup karena sudah di putus oleh no k1 untuk menghidupkan k2 kita harus menghidupkan k1 dulu sehingga no k1 mengunci mengalirkan arus listrik ke pushbottom 2 baru kita tekan push bottom 2 sehingga k2 bekerja no k2 mengunci dan motor 2 baru bekerja setelah motor 1 hidup,intinya pada no k1 yang memutus arus listrik yg menuju pushbottom 2 , dan apabila push bottom off 1 di tekan maka ke2 motor mati karena jika k1 mati no k1 membuka dan memutus arus listrik yang menuju k2</span></span></div>
</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-91279656543850417142012-03-27T18:48:00.001-07:002012-04-03T13:10:19.569-07:00rangkaian balik putaran<br />
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<span style="background-color: #d9ead3;"><span style="color: red;">RANGKAIAN BALIK PUTARAN (forward revers)</span></span></h3>
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<a name='more'></a><span style="background-color: #d9ead3;"><span style="color: red;"><br /><br /><b><u>@ prinsip kerja rangkaian</u></b><br /> untuk membalik putaran motor 3 fase yg perlu kita lakukan adalah membalik salah satu fase maka selanjutnya saya akan menjelaskan prinsip kerja rangkaian kontrolnya bila kita tekan pushbottom fwd maka arus listrik akan mengalir melewati pushbottom fwd menuju nc k2 dan mengerjakan coil k1 sehingga no k1 bekerja dan motor berputar maju dan apa bila pushbottom rev di tekan k2 tidak akan bekerja karena saat coil k1 bekerja nc k1 membuka dan memutus rangkaian yg menuju ke k2 sehingga k2 tidak bisa hidup adapun fungsi dari nc k1 ini adalah sebagai interlok/pengaman agar ketika k1 bekerja k2 tidak akan bisa hidup begitupun sebaliknya ketika k2 bekerja k1 tidak bisa hidup karena nc k2 juga memutus rangkaian yg menuju coil k1 karena jika k1 dan k2 hidup bersama sama akan terjadi konsleting karena salah satu fase k2 di balik / tidak sama, untuk membalik putaran motor kita harus mematikan k1 dulu dengan menekan pushbottom off sehingga motor mati baru kita tekan pushbottom rev dan arus mengalir melewati nc k1 menuju coil k2 dan k2 pun bekerja menghidupkan motor berbalik arah.</span></span></div>
</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com1tag:blogger.com,1999:blog-8548071053039196931.post-17760864357271720452012-03-27T18:45:00.003-07:002012-04-03T13:10:34.238-07:00thermal overload<br />
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<span style="background-color: white;"><span style="color: #660000;">THERMAL OVERLOAD</span></span></h3>
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<span style="background-color: white;"><span style="color: #660000;"><span style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px;"><img height="200" src="http://w24.indonetwork.co.id/pdimage/34/2348434_mitsubishiol.jpg" style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; padding-bottom: 8px; padding-left: 8px; padding-right: 8px; padding-top: 8px;" width="200" /></span></span></span><br />
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<span style="background-color: white;"><span style="color: #660000;">Overload Motor Protection, yang dimaksud motor ini adalah electric motor yang oleh orang awam disebut dinamo. Dan disini dikhususkan yang terjadi pada motor AC 3 phase. Fungsi dari motor ini adalah sebagai penggerak atau untuk mengkonversi energi listrik </span></span><br />
<a name='more'></a><span style="background-color: white;"><span style="color: #660000;">menjadi mekanik/ gerak seperti lift, conveyor, blower, crusher dll. Dalam dunia industri saat ini peran yang dilakukan motor ini sangat vital. Untuk itu proteksi sangat diperlukan untuk menjaga kelancaran suatu proses.Sistem proteksi motor ini sudah lama dikenal dan berkembang seiring kemajuan teknologi. Mulai dari penggunaan eutic relay, thermal, sampai elektronik. Secara umum sistem kerja alat tersebut dapat dibagi menjadi dua yaitu dengan thermal dan elektronik.</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;">THERMAL OVERLOAD</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;">Sesuai dengan namanya proteksi motor ini menggunakan panas sebagai pembatas arus pada motor. Alat ini sangat banyak dipergunakan saat ini. Biasanya disebut TOR, Thermis atau overload relay. Cara kerja alat ini adalah dengan menkonversi arus yang mengalir menjadi panas untuk mempengaruhi bimetal. Nah , bimetal inilah yang menggerakkan tuas untuk menghentikan aliran listrik pada motor melalui suatu control motor starter (baca motor starter). Pembatasan dilakukan dengan mengatur besaran arus pada dial di alat tersebut. Jadi alat tersebut memiliki range adjustment misal TOR dengan range 1 ~ 3,2 Amp disetting 2,5 Amp. Artinya, kita membatasi arus dengan TOR pada level 2,5 Amp saja.</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;"><a href="http://bayupancoro.files.wordpress.com/2008/09/graph.jpg" style="border-bottom-color: rgb(153, 153, 204); border-bottom-style: dotted; border-bottom-width: 1px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;"><img alt="" class="alignleft size-full wp-image-236" height="320" src="http://bayupancoro.files.wordpress.com/2008/09/graph.jpg?w=245&h=320" style="-webkit-box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-style: none; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; border-width: initial; box-shadow: rgba(0, 0, 0, 0.496094) 1px 1px 5px; display: inline; float: left; margin-bottom: 2px; margin-left: 0px; margin-right: 7px; margin-top: 0px; padding-bottom: 4px; padding-left: 4px; padding-right: 4px; padding-top: 4px; position: relative;" title="graph" width="245" /></a>Bagaimana bila terjadi kelebihan arus/ overload pada motor starter? Seperti contoh di atas, TOR di setting 2,5 Amp dan semisal arus telah mencapai 3 ampere, apa yang kita harapkan ? Starter shut down/ Trip ! Benar, hanya kapan akan trip?? Secepatnya ?? Ini sangat tidak mungkin bila kita menggunakan Thermal Overload/ TOR. Nah…,terus seberapa cepat TOR itu akan trip ?? Dengan menggunakan bimetal sebagai pembatas tentu tidak dapat bereaksi secara cepat terhadap kenaikan arus. Perlu diketahui, TOR di pasaran memiliki beberapa type yang disebut Class. Jadi dengan memilih class yang berbeda maka kecepatan trip TOR akan berbeda pula. Saat ini terdapat TOR dengan Class 10, Class 15, Class 20 dll. Class ini menunjukkan kecepatan trip saat TOR dialiri arus sebesar 6X setting. Semisal, digunakan TOR class 20 dengan setting 10 Amp, saat arus mencapai 60 Amp alat ini akan trip setelah mencapai waktu 20 DETIK !! 6X setting dalam 20 DETIK !! Bagaimana jika kelebihan arus hanya pada 13 Amp saja? Kita bisa menunggu ber jam jam agar trip. Untuk lebih jelasnya mintalah kurva trip seperti pada gambar saat membeli TOR dan hitung kecepatan tripnya. Perlu diketahui kurva TOR adalah logaritmik bukan linier. So, kita tidak perlu lagi menyalahkan keakuratan TOR yang selama ini dipakai.</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;">ELECTRONIC OVERLOAD</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;"><a href="http://bayupancoro.wordpress.com/2008/09/08/electronic-over-current-relays/" style="border-bottom-color: rgb(153, 153, 204); border-bottom-style: dotted; border-bottom-width: 1px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;">Overload electronic </a>ini mempunya 2 karakteristik trip, INVERSE dan DEFINITE. Inverse, ia akan bekerja seperti thermal overload. Perbedaannya adalah kemampuannya untuk menggeser kurva trip. Jadi overload ini selain mempunyai setting arus juga kecepatan trip atau class adjustment. Selain itu dengan menggunakan rangkaian elektronik ia akan tidak mudah dipengaruhi suhu sekitar serta akurasi lebih terjaga. Definite, bekerja dengan pembatasan yang ketat. Dengan karakteristik ini, berapapun besar kelebihan beban ia akan trip setelah mencapai waktu yang ditentukan. Misal seting overload pada 10 amp dengan waktu trip 4 detik. Jika terjadi kelebihan beban lebih dari 10 amp selama lebih dari 4 detik dia akan trip. Kecepatan trip ini tidak tergantung besar arus overload (baik kecil atau besar sama saja).</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;">Dengan menggunakan rangkaian elektronik biasanya alat ini dilengkapi dengan fasilitas proteksi lain seperti <a href="http://bayupancoro.wordpress.com/2007/11/07/phaseloss-on-thermal-overload/" style="border-bottom-color: rgb(153, 153, 204); border-bottom-style: dotted; border-bottom-width: 1px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;">phaseloss protection</a>, Lock Rotor Protection, Short Circuit Protection dll. Sebagai referensi bisa ditemukan di <a href="http://www.eocr.com/" style="border-bottom-color: rgb(153, 153, 204); border-bottom-style: dotted; border-bottom-width: 1px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;">www.eocr.com</a> .</span></span></div>
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<span style="background-color: white;"><span style="color: #660000;">Dengan gambaran tersebut di atas, maka kita bisa menentukan kebutuhan overload protection yang diperlukan. Dan perlu di ingat bahwa, terbakarnya motor tidak hanya karena terjadinya overload. Overload hanyalah salah satu dari beberapa fakor penyebab terbakarnya motor. Seberapa tinggi tingkat proteksi motor yang kita perlukan tergantung dengan prioritas kita. Tetapi, overload protection tetaplah mutlak diperlukan dalam sebuah suatu sistem motor starter </span></span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-83287598488253842762012-03-27T18:43:00.001-07:002012-04-03T13:10:50.183-07:00relay<br />
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<span style="background-color: white;"><span style="color: #073763;">RELAY</span></span></h3>
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<span style="background-color: white;"><span style="color: #073763;"><span class="Apple-style-span" style="font-family: 'Helvetica Neue', Arial, Helvetica, sans-serif;">Relay adalah alat untuk memutuskan atau menghubungkan suatu <a href="http://www.sayelectric.com/konsep-dasar-rangkaian-listrik/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Konsep dasar rangkaian listrik">rangkaian</a>, hampir sama seperti<a href="http://www.sayelectric.com/saklar/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Saklar">saklar</a> hanya saja relay bekerja otomatis dan bisa dipakai sebagai alat kontrol jarak jauh. Relay terdiri dari kumparan yang berinti besi dan <a href="http://www.sayelectric.com/saklar/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Saklar">saklar</a>. Jika kumparan</span></span></span><br />
<a name='more'></a><span style="background-color: white;"><span style="color: #073763;"><span class="Apple-style-span" style="font-family: 'Helvetica Neue', Arial, Helvetica, sans-serif;"> yang berinti besi ini dialiri <a href="http://www.sayelectric.com/arus/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Arus">arus listrik</a> maka relay akan bekerja</span><span class="Apple-style-span" style="font-family: 'Helvetica Neue', Arial, Helvetica, sans-serif;">Dengan cara seperti inilah relay bekerja, setelah kumparan ini dialiri <a href="http://www.sayelectric.com/arus/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Arus">arus listrik</a> maka <span id="more-291" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"></span>timbullah gaya magnet yang akan menggerakan <a href="http://www.sayelectric.com/saklar/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Saklar">saklar</a>. Seandainya <a href="http://www.sayelectric.com/arus/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Arus">arus listrik</a> terlalu kecil yang mengaliri kumparan atau bahkan tidak ada sama sekali maka relay akan memutuskan<a href="http://www.sayelectric.com/arus/" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: inherit; font-style: inherit; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" title="Pengertian Arus"> arus listrik</a>.</span></span></span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-19379433575092452152012-03-27T18:41:00.000-07:002012-04-03T13:11:03.948-07:00timer<br />
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<span style="color: #0b5394;">TIMER</span></h3>
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<span style="color: #0b5394;">. Ini adalah timer analog buatan omron, timer ini berfungsi sebagai alat penghitung waktu, manakala waktu yang telah ditetapkan tercapai maka </span><br />
<a name='more'></a><span style="color: #0b5394;">output kontaknya akan bekerja. Ada dua macam jenis timer, pertama timer on delay kedua timer off delay. Timer on delay bekerja ketika tegangan supply masuk, sedangkan timer off delay bekerja pada saat tegangan supply terputus atau off.</span></div>
<span style="font-weight: bold;"><span style="color: #0b5394;">Cara Kerja Timer </span></span></div>
<span style="color: #0b5394;"><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 13px; line-height: 18px;">Pada saat timer ditenagai atau mendapatkan supply tegangan, maka timer akan mulai menghitung, ketika jumlah hitungan actual sama dengan setting ( jarum merah ), maka kontak output timer akan bekerja, Kontak timer berupa normally close (nc) dan normally open (no) </span><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 12px; line-height: 16px;"></span></span><br />
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<span style="color: #0b5394;"><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 12px; line-height: 16px;"><span style="font-weight: bold;">Arti dan fungsi indikator yang terdapat pada timer.</span>Ada beberapa item indikator pada bagian timer yang perlu diketahui</span></span><br />
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<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Power : Berfungsi sebagai indikator bahwa supply tegangan sudah masuk</li>
<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Out : Berfungsi sebagai indikator bahwa output timer kerja ( waktu actual = Set )</li>
<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">A : Mode timer ( on delay mode )</li>
<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">0-12 : Scala timer ( bisa dirubah )</li>
<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Sec : Satuan timer dalam second / detik. ( bisa dirubah dalam satuan jam/hari )</li>
<li style="margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Jarum merah : Berfungsi sebagai indikator set, dirubah dengan cara diputar.</li>
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<span style="color: #0b5394;"><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 12px; line-height: 16px;"><span style="font-weight: bold;">Ratings</span></span></span><br />
<ul style="line-height: 1.4; list-style-image: initial; list-style-position: initial; margin-bottom: 0.5em; margin-left: 0px; margin-right: 0px; margin-top: 0.5em; padding-bottom: 0px; padding-left: 2.5em; padding-right: 2.5em; padding-top: 0px;"><span style="color: #0b5394;"><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 12px; line-height: 16px;">
<li style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Tegangan kerja : 100-240 Vac / 100-125 Vdc</li>
<li style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Kapasitas beban 5 A 250 Vac.</li>
<li style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; margin-bottom: 0.25em; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Konsumsi daya : 1.6 Watt ( relay on ).</li>
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<span style="color: #0b5394;"><span class="Apple-style-span" style="background-color: #e9e9e9; font-family: 'Trebuchet MS', Trebuchet, Verdana, sans-serif; font-size: 12px; line-height: 16px;">Salah satu contoh penggunaan timer adalah, digunakan untuk memberi delay / timing pada sarana input atau masukan dari sensor seperti photo sensor atau lainnya, sehingga ketika sensor bekerja, akan didelay terlebih dulu oleh timer tsb. Hal ini bertujuan melindungi rangkaian agar tidak on-off ketika sensor tertutup benda yang hanya sekilas lalu saja. ( dalam hal ini tergantung pemakaiannya )</span></span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-15486931189349633862012-03-27T18:30:00.002-07:002012-04-03T13:11:15.768-07:00NFB<br />
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No Fuse Breaker / NFB</h3>
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<a href="http://4.bp.blogspot.com/_LCGLOKNu7b0/SsUc1xTJ-zI/AAAAAAAAABg/OolPhgU5EDc/s1600-h/Foto007.jpg" style="color: #f82727; text-decoration: none;"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5387744239310994226" src="http://4.bp.blogspot.com/_LCGLOKNu7b0/SsUc1xTJ-zI/AAAAAAAAABg/OolPhgU5EDc/s200/Foto007.jpg" style="-webkit-box-shadow: rgba(0, 0, 0, 0.0976563) 1px 1px 5px; background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; border-bottom-color: rgb(227, 227, 227); border-bottom-style: solid; border-bottom-width: 1px; border-color: initial; border-image: initial; border-left-color: rgb(227, 227, 227); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(227, 227, 227); border-right-style: solid; border-right-width: 1px; border-top-color: rgb(227, 227, 227); border-top-style: solid; border-top-width: 1px; border-width: initial; box-shadow: rgba(0, 0, 0, 0.0976563) 1px 1px 5px; cursor: pointer; float: left; height: 150px; margin-bottom: 10px; margin-left: 0pt; margin-right: 10px; margin-top: 0pt; padding-bottom: 5px; padding-left: 5px; padding-right: 5px; padding-top: 5px; position: relative; width: 200px;" /></a><br />
<span style="color: yellow;">No Fuse Breaker</span><br />
<span style="color: yellow;">3 Phase, 250 Ampere</span><br />
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. ini adalah gambar NFB dalam bahasa indonesia bisa diartikan sebagai pemutus tanpa sikring, berfungsi untuk menghubungkan dan memutus tegangan/arus utama dengan sirkuit atau beban, selain itu berfungsi juga<br />
<a name='more'></a> untuk memutuskan/melindungi beban dari arus yang berlebihan ataupun jika terjadi hubung singkat. Cara kerja NFB, ketika arus yang mengalir melaluinya melebihi dari nilai yang tertera pada NFB maka secara otomatis NFB akan memutuskan arusnya gambar diatas adalah NFB 3 Phase umumnya digunakan pada sirkuit induktion motor atau control panel.</div>
</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-66226128232708489772012-03-27T18:28:00.003-07:002012-04-03T13:11:31.900-07:00MCB<br />
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<span style="background-color: white;"><span style="color: #0c343d;">Miniatur Circuit Breaker (MCB)<br />Alat yang <a href="http://tokogobeng.files.wordpress.com/2012/03/mini_circuit_breaker_mcb_.jpg" style="border-bottom-color: rgb(168, 239, 157); border-bottom-style: dashed; border-bottom-width: 1px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; text-shadow: rgb(68, 68, 68) 0px 0px 4px; vertical-align: baseline;"><img alt="" border="0" src="http://tokogobeng.files.wordpress.com/2012/03/mini_circuit_breaker_mcb_.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-image: none; background-origin: initial; border-bottom-color: initial; border-bottom-style: initial; border-bottom-width: 0px; border-color: initial; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" /></a>berfungsi untuk memutus hubungan listrik bekerja secara otomatis apabila ada arus atau beban lebih (melebihi kapasitas nomilan MCB tsb). Hal ini </span></span><br />
<a name='more'></a><span style="background-color: white;"><span style="color: #0c343d;">termasuk juga apabila terjadi short circuit atau hubung pendek atau konslet karena pada saat terjadi short, arus listrik akan melonjak naik. Sebagai pembatas beban, MCB dipasang bersama KWH meter dan disegel oleh PLN biasanya bertuas warna biru. Sedang untuk pengaman instalasi listrik di dalam alat ini bertugas menggantikan sekring biasanya warna hitam pada tuasnya. Untuk pengoperasiannya sangat sederhana yakni menggunakan tuas naik (on) dan turun (off).<br />Ukuran MCB sama seperti sekring ada 2Ampere, 4A, 6A, 10A, 16A, 20A, dst. MCB terdapat berbagai jenis untuk berbagai macam kebutuhan pemutusan arus listrik. Menurut phasa, ada 1phasa, 2phasa, 3phasa, dan menurut jenis peralatan yang akan diproteksi misal: instalasi motor 3phasa, instalasi tenaga, dll masing-masing berbeda jenis dan ratingnya.</span></span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com1tag:blogger.com,1999:blog-8548071053039196931.post-14997186636743319092012-03-27T18:25:00.001-07:002012-04-03T13:11:48.804-07:00MOTOR DC<br />
<h1 class="post-title" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; clear: both; font-family: 'Trebuchet MS', 'Myriad Pro', Tahoma, sans-serif; font-size: 27px; font-weight: normal; line-height: 30px; margin-bottom: 22px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left; vertical-align: baseline;">
<span style="color: white;">PRINSIP KERJA DAN JENIS-JENIS MOTOR DC</span></h1>
<div class="date" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Arial, 'Trebuchet MS', sans-serif; font-size: 13px; height: 80px; left: -123px; line-height: 18px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; position: absolute; text-align: center; top: -7px; vertical-align: baseline; width: 75px;">
<div class="bg" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: url(http://s1.wp.com/wp-content/themes/pub/choco/colors/default/images/date.png); background-origin: initial; background-position: 0px 0px; background-repeat: no-repeat no-repeat; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; height: 62px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 5px; padding-right: 0px; padding-top: 18px; text-shadow: rgb(34, 34, 34) 0px 1px 1px; vertical-align: baseline; width: 70px;">
<span class="day" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 26px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">26</span></span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 16px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">MAR</span></span></div>
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<div class="entry" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Arial, 'Trebuchet MS', sans-serif; font-size: 13px; line-height: 18px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left; vertical-align: baseline;">
<div style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; line-height: 20px; margin-bottom: 20px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">
<span style="color: white;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Tujuan</span><br />Setelah mempelajari unit ini, diharapkan anda mampu :</span></div>
<ol style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 22px; margin-left: 25px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menjelaskan prinsip kerja motor DC</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menentukan pengaruh dan harga ggl lawan yang dihasilkan motor DC</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menjelaskan terbangkitnya torsi pada motor DC</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menyebutkan beberapa pengaruh reaksi jangkar pada motor DC</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menggambarkan diagram rangkaian jenis-jenis motor DC</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;"><span style="color: white;">Menggambarkan diagram ekivalen tiap jenis motor DC.<a name='more'></a></span></li>
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<span style="color: white;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Kemampuan Awal</span><br />Sebelum mempelajari unit ini anda harus sudah memiliki pengetahuan tentang :</span></div>
<ol style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 22px; margin-left: 25px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Prinsip arus searah</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Pengukuran listrik</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Unit 1dan unit 2 dari modul ini.</span></li>
</ol>
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<span style="color: white;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Persyaratan Lulus</span><br />Untuk lulus dari unit ini anda harus telah menyelesaikan seluruh latihan dengan benar dan telah mengerjakan test dengan skor minimal 70.</span></div>
<h4 style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; clear: both; font-family: 'Trebuchet MS', 'Myriad Pro', Tahoma, sans-serif; font-size: 14px; line-height: 21px; margin-bottom: 18px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">
<span style="color: white;">PRINSIP KERJA DAN JENIS-JENIS MOTOR DC</span></h4>
<div class="MsoNormal" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; line-height: 19px; margin-bottom: 20px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">
<span style="color: white;">Kerja motor</span></div>
<div class="MsoNormal" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; line-height: 19px; margin-bottom: 20px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;">
<span style="color: white;">Jika penghantar yang dialiri arus listrik ditempatkan di dalam medan magnit akan menimbulkan gaya pada tiap sisi-sisi penghantar. Hal ini menyebabkan putaran dan dikenal sebagai aksi/kerja motor.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/sistem2bkerja2bmotor.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/sistem2bkerja2bmotor.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 207px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Sistem Kerja Motor</span></div>
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<span style="color: white;">Hubungan yang terdapat antara arus pada penghantar, medan magnit dan arah gaya ditentukan dengan menggunakan peraturan tangan kiri Flemming.<span id="more-10" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"></span></span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/peraturan2btangan2bkiri2bflemming.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/peraturan2btangan2bkiri2bflemming.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 276px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 374px;" /></a>Peraturan tangan kiri Flemming</span></div>
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<strong style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Latihan 1 :</span></strong></div>
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<span style="color: white;">Lengkapilah masing-masing gambar berikut ini dengan menggunakan peraturan tangan kiri Flemming.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/ab.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/ab.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 150px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 400px;" /></a>Untuk (a) dan (b) tunjukkan arah gerakan penghantar.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/cd.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/cd.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 171px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 400px;" /></a>Untuk (c) dan (d) tunjukkan arah arus yang melalui penghantar.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/ef.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/ef.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 172px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 400px;" /></a>Untuk (e) dan (f) tunjukkan polaritas magnit.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/putaran.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/putaran.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 149px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 341px;" /></a>Pada motor di atas untuk putaran searah jarum jam, tandai :</span></div>
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<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: disc; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Arah arus yang melalui penghantar jangkar.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: disc; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Gambar pola medan magnet di sekeliling penghantar jangkar.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: disc; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Gambar pola medan magnet di antara kutub-kutub.</span></li>
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<span style="color: white;">GGL lawan</span></div>
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<span style="color: white;">Segera setelah penghantar jangkar berputar, memotong fluksi medan magnit, dan timbul ggl induksi. Ggl induksi ini bekerja dengan arah yang menentang ggl yang diberikan. Ggl yang diinduksikan didalam jangkar motor disebut ggl lawan.<br />Ggl lawan pada motor ini mempunyai harga yang sama seperti halnya jangkar mesin yang diputar pada kecepatan yang sama sebagai generator pada kondisi kemagnitan medan yang sama, sehingga ggl lawan ini berbanding lurus dengan fluksi dan kecepatan.</span></div>
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<span style="color: white;">Eg ∞ ϕ n volt</span></div>
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<span style="color: white;">Arus jangkar</span></div>
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<span style="color: white;">Karena tegangan pemakaian dan ggl lawan berlawanan arah satu sama lain, jumlah tegangan pada jangkar adalah selisih dari kedua tegangan ini. Dengan demikian arus jangkar dapat dihitung dengan persamaan :</span></div>
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<span style="color: white;">Ia = (Vt – Eg) / Ra amper</span></div>
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<span style="color: white;">Dimana :<br />Ia = arus jangkar<br />Vt = tegangan terminal<br />Eg = ggl lawan<br />Ra = tahanan jangkar</span></div>
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<span style="color: white;">Jika ggl lawan turun, arus naik dan sebaliknya. Ggl lawan dapat diatur dengan mengubah medan magnit dan/atau dengan mengubah kecepatan motor.</span></div>
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<span style="color: white;">Torsi</span></div>
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<span style="color: white;">Torsi yang dibangkitkan jangkar berbanding lurus dengan fluksi kutub dan arus jangkar. Hubungan antara torsi dan kecepatan dapat ditentukan dari persamaan :</span></div>
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<span style="color: white;">P out = (2πnT) / 60 watt</span></div>
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<span style="color: white;">Dimana :<br />P out = Daya mekanik output<br />n = kecepatan putaran motor dalam rpm<br />T = torsi dalam Newton-meter</span></div>
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<strong style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Latihan 2 :</span></strong></div>
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<span style="color: white;">Hitung daya output motor DC shunt yang menghasilkan torsi 50 Nm pada kecepatan putaran 1500 rpm.Reaksi jangkar<br />Pengaruh reaksi jangkar pada motor DC adalah menurunkan fluksi yang diperlukan ketika beban dinaikkan. Reaksi jangkar mempunyai pengaruh terhadap komutasi dan menyebabkan timbulnya bunga api. Pada umumnya untuk memperbaiki komutasi dapat dilakukan dengan menggeser posisi sikat atau melengkapi motor dengan kutub bantu.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/kedudukan2bmedan2bmagnit2bpada2bmotor2bdc.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/kedudukan2bmedan2bmagnit2bpada2bmotor2bdc.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 290px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 400px;" /></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Kedudukan medan magnit pada motor DC</span></span></div>
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<span style="color: white;">Jika kutub bantu dipasang pada motor polaritasnya adalah berlawanan terhadap kutub utama berikutnya menurut arah putaran motor.</span></div>
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<span style="color: white;"><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Latihan 3 :</span><br />Pada diagram dibawah tunjukkan polaritas kutub bantu.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/03/kutub2bbantu.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/03/kutub2bbantu.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 266px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 346px;" /></a><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;">Klasifikasi motor DC</span></span></div>
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<span style="color: white;">Seperti telah dijelaskan pada unit 1 dari modul ini, mesin DC dapat dioperasikan apakah sebagai generator atau sebagai motor. Perbedaannya hanya pada jenis tutup/pelindung yang ditentukan oleh lingkungan kerja dimana motor dipasang. Motor DC juga diklasifikasikan berdasarkan cara lilitan medan magnitnya dihubungkan terhadap jangkar yaitu :</span></div>
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<span style="color: white;">• disambung shunt<br />• disambung seri<br />• disambung kompon</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Motor shunt</span></span></div>
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<a href="http://www.blogger.com/post-edit.g?blogID=234147846856480244&postID=399133422346305639" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><span style="color: white;"><img alt="" border="0" src="http://2.bp.blogspot.com/-QLRA-T78BTg/TfVmNRL1QYI/AAAAAAAAAMw/iM4yDSg4pU4/s400/Rangk_Ekivalen%2Bseri.jpg" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-bottom-width: 10px; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-left-width: 10px; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-right-width: 10px; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-top-width: 10px; border-width: initial; cursor: pointer; display: block; height: 143px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; text-align: center; vertical-align: baseline; width: 400px;" /></span></a></div>
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<br class="Apple-interchange-newline" />DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-45366123559201285972012-03-27T18:22:00.004-07:002012-04-03T13:12:14.989-07:00THERMAL OVERLOAD RELAY (TOR)<br />
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<span style="color: white;">THERMAL OVERLOAD RELAY (TOR)</span></h1>
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<span class="day" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 26px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">11</span></span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 16px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">JUL</span></span></div>
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<span style="color: white;">Sebelum mempelajari lebih dalam mengenai Time Delay Relay (Timer), Thermal Over Load Relay (Tripper Over Load), Relay Contactor (Relay), dan Magnetic Contactor (Kontaktor), Sebaiknya kita mempelajari sistem kerjanya terlebih dahulu. agar mampu memahami suatu fungsi rangkaian kerja otomatis.</span></div>
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<a name='more'></a><span style="color: white;">Gambar 1 : Thermal Over Load</span></div>
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<span style="color: white;">Thermal relay atau overload relay adalah peralatan switching yang peka terhadap suhu dan akan membuka atau menutup kontaktor pada saat suhu yang terjadi melebihi batas yang ditentukan atau peralatan kontrol listrik yang berfungsi untuk memutuskan jaringan listrik jika terjadi beban lebih.<span id="more-101" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"></span></span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/tor005.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/tor005.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 137px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 193px;" /></a>Gambar 2 : Simbol Thermal Over Load</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/tor006.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/tor006.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 137px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 193px;" /></a>Gambar 3 : Kontak Thermal Over Load</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Thermal relay atau overload relay adalah peralatan switching yang peka terhadap suhu dan akan membuka atau menutup kontaktor pada saat suhu yang terjadi melebihi batas yang ditentukan atau peralatan kontrol listrik yang berfungsi untuk memutuskan jaringan listrik jika terjadi beban lebih.</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/tor.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/tor.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 262px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 360px;" /></a>Gambar 4 : Bagian-bagian Thermal Over Load</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/tor004.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/tor004.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 318px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 5 : Fungsi Kontak Thermal Over Load</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Karakteristik</span></span></div>
<ol style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 22px; margin-left: 25px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;">
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Terdapat konstruksi yang berhubungan langsung dengan terminal kontaktor magnit.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Full automatic function, Manual reset, dan memiliki pengaturan batas arus yang dikehendaki untuk digunakan.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Tombol trip dan tombol reset trip, dan semua sekerup terminal berada di bagian depan.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Indikator trip</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Mampu bekerja pada suhu -25 °C hingga +55 °C atau (-13 °F hingga +131 °F)</span></li>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/tor003.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/tor003.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 180px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 6 : Cara Kerja Thermal Over Load</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Thermal overload relay (TOR) mempunyai tingkat proteksi yang lebih efektif dan ekonomis, yaitu:</span></div>
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<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Pelindung beban lebih / Overload</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Melindungi dari ketidakseimbangan phasa / Phase failure imbalance</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Melindungi dari kerugian / kehilangan tegangan phasa / Phase Loss.</span></li>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-58561864204568433972012-03-27T18:22:00.000-07:002012-04-01T08:58:36.376-07:00MOTOR LISTRIK<br />
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<span style="color: white;">MOTOR LISTRIK</span></h1>
<div class="date" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Arial, 'Trebuchet MS', sans-serif; font-size: 13px; height: 80px; left: -123px; line-height: 18px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; position: absolute; text-align: center; top: -7px; vertical-align: baseline; width: 75px;">
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<span class="day" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 26px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">02</span></span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 16px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">APR</span></span></div>
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<div class="entry" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Arial, 'Trebuchet MS', sans-serif; font-size: 13px; line-height: 18px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left; vertical-align: baseline;">
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<span style="color: white;">Motor listrik merupakan sebuah perangkat elektromagnetis yang mengubah energi listrik menjadi energi mekanik. Energi mekanik ini digunakan untuk, misalnya, memutar impeller pompa, fan atau blower, menggerakan kompresor, mengangkat bahan, dll. Motor listrik digunakan juga di rumah (mixer, bor listrik, fan angin) dan di industri. Motor listrik kadangkala disebut House Power. 70% lebih motor listrik digunakan sebagai di industry sebagai penggerak mesin listrik.Dalam memahami sebuah motor, penting untuk mengerti apa yang dimaksud dengan beban motor. Beban mengacu pada keluaran tenaga putar/ torque sesuai dengan kecepatan yang diperlukan. Beban umumnya dapat dikategorikan kedalam tiga kelompok (BEE India, 2004):</span></div>
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<span class="embed-youtube" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;"><iframe class="youtube-player" frameborder="0" height="390" src="http://www.youtube.com/embed/MFGqf6AfDB0?version=3&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; max-width: 100%; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" type="text/html" width="640"></iframe></span></span></div>
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<span style="color: white;">.</span></div>
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<ol style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: none; margin-bottom: 22px; margin-left: 25px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;">
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Beban torque konstan adalah beban dimana permintaan keluaran energinya bervariasi dengan kecepatan operasinya namun torque nya tidak bervariasi. Contoh beban dengan torque konstan adalah conveyors, rotary kilns, dan pompa displacement konstan.</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Beban dengan variabel torque adalah beban dengan torque yang bervariasi dengan kecepatan operasi. Contoh beban dengan variabel torque adalah pompa sentrifugal dan fan (torque bervariasi sebagai kwadrat kecepatan).</span></li>
<li style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; list-style-image: initial; list-style-position: initial; list-style-type: decimal; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Beban dengan energi konstan adalah beban dengan permintaan torque yang berubah dan berbanding terbalik dengan kecepatan. Contoh untuk beban dengan daya konstan adalah peralatan-peralatan mesin.<span id="more-17" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"></span></span></li>
</ol>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor006.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" class="aligncenter" height="174" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor006.jpg?w=146&h=174" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-style: none; border-color: initial; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-style: initial; border-style: initial; border-top-style: none; border-width: initial; cursor: pointer; display: block; height: 380px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 305px;" width="146" /></a>Gambar 1 : Motor Listrik</span></div>
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<span style="color: white;">Hubungan antara listrik, magnet, dan gerakan pada awalnya ditemukan pada tahun 1820 oleh fisikawan Perancis André-Marie Ampere (1775-1867) itulah dasar di balik sebuah motor listrik. Untuk mempelajari motor listrik, kita tidak bisa lepas terhadap teori-teori sejenis yang diungkapkan oleh para ahli lainnya. Penemu yang melakukan hal sejenis dari Inggris, Michael Faraday (1791-1867) dan William Sturgeon (1783-1850) dan Amerika Joseph Henry (1797-1878).</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor007.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" height="208" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor007.jpg?w=275&h=208" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 206px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 301px;" width="275" /></a>Gambar 2 : Bagian-bagian Motor Listrik</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" height="326" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor.jpg?w=315&h=326" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 300px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 286px;" width="315" /></a>Gambar 3 : Rangkaian Motor Listrik</span></div>
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<span style="color: white;">.</span></div>
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<span class="embed-youtube" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;"><iframe class="youtube-player" frameborder="0" height="390" src="http://www.youtube.com/embed/Xi7o8cMPI0E?version=3&rel=1&fs=1&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; max-width: 100%; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;" type="text/html" width="640"></iframe></span></span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Pada dasarnya cara kerja motor listrik adalah berdasarkan aturan tangan kiri, dimana ibu jari menunjukkan gerakan putaran motor / gaya F, jari telunjuk menunjukkan arah arus listrik atau I dan jari tengah menunjukkan arah medan magnet. Prinsip motor listrik berdasarkan pada kaidah tangan kiri. Sepasang magnet permanen utara – selatan menghasilkan garis medan magnet Φ, kawat penghantar diatas telapak tangan kiri ditembus garis medan magnet Φ. Jika kawat dialirkan arus listrik DC sebesar I searah keempat jari tangan, maka kawat mendapatkan gaya sebesar F searah ibu jari. Bagaimana kalau posisi utara-selatan magnet permanen dibalik? Ke mana arah gaya yang dirasakan batang kawat? lakukan peragaan dengan tangan kiri Anda.</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor004.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" height="260" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor004.jpg?w=290&h=260" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 286px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 330px;" width="290" /></a>Gambar 4 : Azas Kerja Motor Listrik</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Bagaimana sebuah motor listrik bekerja</span></span></div>
<div style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: center; vertical-align: baseline;">
<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor003.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor003.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 263px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 5 : Langkah Kerja Motor Listrik</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor002.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor002.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 397px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 6 : Putaran Motor Listrik</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2009/04/motor005.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2009/04/motor005.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 267px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 342px;" /></a>Gambar 7 : Konstruksi Motor DC</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Untuk meningkatkan kekuatan memutar (atau torsi) pada motor kita dapat melakukan dengan tiga cara: meningkatkan kuat medan magnet / magnet permanen yang lebih kuat, meningkatkan arus listrik yang mengalir melalui kumparan kawat, menambah jumlah kumparan sehingga menambah jumlah loop. Dalam prakteknya, motor juga memiliki magnet permanen atau magnet buatan (rangkaian stator) melengkung dalam bentuk lingkaran sehingga hampir menyentuh kumparan kawat yang berputar di dalamnya (Rotor). Semakin dekat antara jarak stator dan rotor maka semakin besar gaya motor yang dapat dihasilkan.</span></div>
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<span style="color: white;">.</span></div>
</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-1781753044810810862012-03-27T18:19:00.000-07:002012-04-01T08:58:36.299-07:00MAGNETIC CONTACTOR<br />
<h1 class="post-title" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; clear: both; font-family: 'Trebuchet MS', 'Myriad Pro', Tahoma, sans-serif; font-size: 27px; font-weight: normal; line-height: 30px; margin-bottom: 22px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left; vertical-align: baseline;">
<span style="color: white;">KONTAKTOR MAGNETIK / MAGNETIC CONTACTOR (MC)</span></h1>
<div class="date" style="background-attachment: initial; background-clip: initial; background-color: #3a2820; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-family: Arial, 'Trebuchet MS', sans-serif; font-size: 13px; height: 80px; left: -123px; line-height: 18px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; position: absolute; text-align: center; top: -7px; vertical-align: baseline; width: 75px;">
<div class="bg" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: url(http://s1.wp.com/wp-content/themes/pub/choco/colors/default/images/date.png); background-origin: initial; background-position: 0px 0px; background-repeat: no-repeat no-repeat; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; height: 62px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 5px; padding-right: 0px; padding-top: 18px; text-shadow: rgb(34, 34, 34) 0px 1px 1px; vertical-align: baseline; width: 70px;">
<span class="day" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 26px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">11</span></span><span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; display: block; font-size: 16px; font-weight: bold; line-height: 1; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-transform: uppercase; vertical-align: baseline;"><span style="color: white;">JUL</span></span></div>
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<span style="color: white;">Magnetic Contactor (MC) adalah sebuah komponen yang berfungsi sebagai penghubung/kontak dengan kapasitas yang besar dengan menggunakan daya minimal. Dapat dibayangkan MC adalah relay dengan kapasitas yang besat. Umumnya MC terdiri dari 3 pole kontak utama dan kontak bantu (aux. contact). Untuk menghubungkan kontak utama hanya dengan cara memberikan tegangan pada koil MC sesuai spesifikasinya.Komponen utama sebuah MC adalah koil dan kontak utama. Koil dipergunakan untuk menghasilkan medan magnet yang akan menarik kontak utama sehingga terhubung pada masing masing pole.Magnetic Contactor atau Kontaktor AC, perangkat pengendalian otomatis, sangat cocok untuk menggunakan di sirkuit sampai tegangan maksimal 690v 50Hz atau 60Hz dan arus sampai 780A dari 6A dalam penggunaannya kontaktor dengan struktur lebih simple / kompak, ukuran kecil dan ringan, secara luas diaplikasikan dalam rangkaian pengendalian, terutama mengendalikan motor atau perangkat listrik lainnya.Untuk aplikasi yang lebih, MC mempunyai beberapa accessories. Dan yang paling banyak dipergunakan adalah kontak bantu. Jika kontak bantu yang telah tersedia kurang bisa dilakukan penambahan di samping atau depan. Pneumatic Timer juga sering dipakai dalam wiring sebuah system, misalnya pada Star Delta Starter.</span></div>
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<span style="color: white;">.</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Prinsip Kerja</span></span></div>
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<span style="color: white;">Sebuah kontaktor terdiri dari koil, beberapa kontak Normally Open ( NO ) dan beberapa Normally Close ( NC ). Pada saat satu kontaktor normal, NO akan membuka dan pada saat kontaktor bekerja, NO akan menutup. Sedangkan kontak NC sebaliknya yaitu ketika dalam keadaan normal kontak NC akan menutup dan dalam keadaan bekerja kontak NC akan membuka. Koil adalah lilitan yang apabila diberi tegangan akan terjadi magnetisasi dan menarik kontak-kontaknya sehingga terjadi perubahan atau bekerja. Kontaktor yang dioperasikan secara elektromagnetis adalah salah satu mekanisme yang paling bermanfaat yang pernah dirancang untuk penutupan dan pembukaan rangkaian listrik maka gambar prinsip kerja kontaktor magnet dapat dilihat pada gambar berikut :<span id="more-84" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"></span></span></div>
<div style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; vertical-align: baseline;">
<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor006.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor006.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 256px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 1 : Simbol-simbol kontaktor magnet</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Kontaktor termasuk jenis saklar motor yang digerakkan oleh magnet seperti yang telah dijelaskan di atas. Bila pada jepitan a dan b kumparan magnet diberi tegangan, maka magnet akan menarik jangkar sehingga kontak-kontak bergerak yang berhubungan dengan jangkar tersebut ikut tertarik. Tegangan yang harus dipasangkan dapat tegangan bolak balik ( AC ) maupun tegangan searah ( DC ), tergantung dari bagaimana magnet tersebut dirancangkan. Untuk beberapa keperluan digunakan juga kumparan arus ( bukan tegangan ), akan tetapi dari segi produksi lebih disukai kumparan tegangan karena besarnya tegangan umumnya sudah dinormalisasi dan tidak tergantung dari keperluan alat pemakai tertentu.</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Karakteristik</span></span></div>
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<span style="color: white;">Spesifikasi kontaktor magnet yang harus diperhatikan adalah kemampuan daya kontaktor ditulis dalam ukuran Watt / KW, yang disesuaikan dengan beban yang dipikul, kemampuan menghantarkan arus dari kontak – kontaknya, ditulis dalam satuan ampere, kemampuan tegangan dari kumparan magnet, apakah untuk tegangan 127 Volt atau 220 Volt, begitupun frekuensinya, kemampuan melindungi terhadap tegangan rendah, misalnya ditulis ± 20 % dari tegangan kerja. Dengan demikian dari segi keamanan dan kepraktisan, penggunaan kontaktor magnet jauh lebih baik dari pada saklar biasa.</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor008.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor008.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 345px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 397px;" /></a>Gambar 2 : Cara Kerja Kontak</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;">Relay dianalogikan sebagai pemutus dan penghubung seperti halnya fungsi pada tombol (Push Button) dan saklar (Switch)., yang hanya bekerja pada arus kecil 1A s/d 5A. Sedangkan Kontaktor dapat di analogikan juga sebagai sebagai Breaker untuk sirkuit pemutus dan penghubung tenaga listrik pada beban. Karena pada Kontaktor, selain terdapat kontak NO dan NC juga terdapat 3 buah kontak NO utama yang dapat menghubungkan arus listrik sesuai ukuran yang telah ditetapkan pada kontaktor tersebut. Misalnya 10A, 15A, 20A, 30A, 50Amper dan seterusnya. Seperti pada gambar dibawah ini.</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor004.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor004.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 192px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 3 : Gambar Kontak MC</span></div>
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<span style="color: white;">.</span></div>
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<span style="color: white;"><a href="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor003.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none; vertical-align: baseline;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor003.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 350px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></a>Gambar 4 : Cara Kerja MC</span></div>
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<span style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; font-weight: bold; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;">Aplikasi</span></span></div>
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<span style="color: white;">Keuntungan penggunaan kontaktor magnetis sebagai pengganti peralatan kontrol yang dioperasikan secara manual meliputi hal :</span></div>
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<span style="color: white;">Pada penangan arus besar atau tegangan tinggi, sulit untuk membangun alat manual yang cocok. Lebih dari itu, alat seperti itu besar dan sulit mengoperasikannya. Sebaliknya, akan relatif sederhana untuk membangun kontaktor magnetis yang akan menangani arus yang besar atau tegangan yang tinggi, dan alat manual harus mengontrol hanya kumparan dari kontaktor.Kontaktor memungkinkan operasi majemuk dilaksanakan dari satu operator (satu lokasi) dan diinterlocked untuk mencegah kesalahan dan bahaya operasi.Pengoperasian yang harus diulang beberapa kali dalam satu jam, dapat digunakan kontaktor untuk menghemat usaha. Operator secara sederhana harus menekan tombol dan kontaktor akan memulai urutan event yang benar secara otomatis.Kontaktor dapat dikontrol secara otomatis dengan alat pilot atau sensor yang sangat peka.Tegangan yang tinggi dapat diatasi oleh kontaktor dan menjauhkan seluruhnya dari operator, sehingga meningkatkan keselamatan / keamanan instalasi.Dengan menggunakan kontaktor peralatan kontrol dapat dipasangkan pada titik-titik yang jauh. Satu-satunya ruang yang diperlukan dekat mesin adalah ruangan untuk tombol tekan.Dengan kontaktor, kontrol otomatis dan semi otomatis mungkin dilakukan dengan peralatan seperti kontrol logika yang dapat diprogram seperti Programmable Logic Controller (PLC).</span></div>
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<span style="color: white;">.</span></div>
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<a href="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor007.jpg" style="background-attachment: initial; background-clip: initial; background-color: transparent; background-image: initial; background-origin: initial; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; cursor: pointer; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; vertical-align: baseline;"><span style="color: white;"><img alt="" border="0" src="http://listrikpemakaian.files.wordpress.com/2011/07/kontaktor007.jpg?w=300" style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; border-bottom-color: rgb(226, 226, 226); border-bottom-style: solid; border-color: initial; border-color: initial; border-color: initial; border-image: initial; border-left-color: rgb(226, 226, 226); border-left-style: solid; border-right-color: rgb(226, 226, 226); border-right-style: solid; border-style: initial; border-style: initial; border-top-color: rgb(226, 226, 226); border-top-style: solid; border-width: initial; cursor: pointer; display: block; height: 261px; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; max-width: 621px; padding-bottom: 2px; padding-left: 2px; padding-right: 2px; padding-top: 2px; vertical-align: baseline; width: 400px;" /></span></a></div>
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<br class="Apple-interchange-newline" />DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-36696587384851282992012-03-27T18:15:00.000-07:002012-04-03T13:12:43.476-07:00STAR DELTA<br />
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<a href="http://www.eeefirm.co.cc/2010/08/star-delta-starter-3-phase-motor.html" style="color: #4776c5; margin-bottom: 5px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;">Star Delta Starter 3-Phase Motor</a></b></h1>
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<b class="cBold">Pushbutton actuators</b></div>
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K1: Timing relay approx. 15 second</div>
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Q11: Mains contactor (Magnetic Contactor)</div>
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Q13: Star contactor (Magnetic Contactor)</div>
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Q15: Delta contactor (Magnetic Contactor)</div>
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Double actuator</div>
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ITS A STAR DELTA 3-PHASE WARING DIAGRAM </h3>
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<a name='more'></a><i style="background-color: white; color: #202020; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px;"><b> </b></i><span style="background-color: white; color: #202020; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px;"> </span><a href="http://www.eeefirm.co.cc/2010/08/star-delta-starter-3-phase-motor.html" name="wp1001612" style="background-color: white; color: #4776c5; font-family: Arial, Tahoma, Verdana; font-size: 12px; line-height: 18px; text-decoration: none;"></a><br />
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Pushbutton I energizes timing relay K1. The normally open contact K1/17-18 (instantaneous contact) which applies voltage to star contactor Q13, which closes and applies voltage to mains contactor Q11 via normally open contact Q13/14-13.</div>
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Q11 and Q13 maintain themselves via the normally open contacts Q11/14–13 and Q11/44–43. Q11 applies voltage to motor M1 in star connection. </div>
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<b>Its Second Picture For Auxiliary Diagram ! </b></div>
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<a href="http://2.bp.blogspot.com/_1I2ZTCPTyq4/TFlb9fNp7BI/AAAAAAAAABE/TMEU9MPs3gg/s1600/Auxulary+Diagram.gif" imageanchor="1" style="color: #4776c5; margin-left: 1em; margin-right: 1em; text-decoration: none;"><br /></a><a href="http://3.bp.blogspot.com/_1I2ZTCPTyq4/TFlcMmIVF5I/AAAAAAAAABM/UoitroENxco/s1600/Auxiliry.jpg" imageanchor="1" style="color: #95a469; margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/_1I2ZTCPTyq4/TFlcMmIVF5I/AAAAAAAAABM/UoitroENxco/s320/Auxiliry.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /></a></div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-84167736466173600822012-03-27T18:07:00.003-07:002012-04-03T13:13:02.107-07:00STAR DELTA DAN DOL<br />
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Panel Stardelta & D.O.L Starter</h2>
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<span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="color: black;"><img border="0" src="http://www.panelindonusantara.com/images/stories/stardelta-starting.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial;" /></span></span></div>
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<span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="color: black;">Star delta adalah sebuah sistem starting motor yang paling banyak dipergunakan untuk starting motor listrik. Dengan menggunakan star delta starter Lonjakan arus listrik yang terlalu tinggi bisa dihindarkan. cara kerjanya</span></span><br />
<a name='more'></a><span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="color: black;"> adalah saat start awal motor tidak dikenakan tegangan penuh hanya 0.58 dengan cara dihubung bintang/ star. Setelah motor berputar dan arus sudah mulai turun dengan menggunakan timer arus dipindahkan menjadi segitiga/ delta sehingga tegangan dan arus yang mengalir ke motor penuh.</span></span><span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="color: black;"> </span></span></div>
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<span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="color: black;"><img border="0" src="http://www.panelindonusantara.com/images/stories/dol-starting.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial;" /></span></span></div>
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<span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="font-size: 10pt;">D.O.L (Direct OnLine) starter berfungsi sebagai penel penghubung dan pemutus tegangan Motor, DOL starter umumnya digunakan sebagai starter motor-motor kecil. Pada dol starter saat start torsi yang terjadi sangat tinggi dan lebih tinggi dari kebutuhan</span></span></div>
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<span style="font-family: Arial, sans-serif; font-size: 10pt; line-height: 19px;"><span style="font-size: 10pt;"> <img border="0" src="http://www.panelindonusantara.com/images/stories/Stardelta1.jpg" style="border-bottom-style: none; border-color: initial; border-image: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial;" /></span></span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-89819635167965754562012-03-27T18:05:00.000-07:002012-04-03T13:13:20.683-07:00SISTEM LISTRIK 3 PHASE<br />
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<span style="background-color: white; color: #b45f06;">Sistem Listrik 3-Phase</span></h2>
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<span style="background-color: white; color: #b45f06;">Penjelasan sistem 3 phase dan 1 phase</span></div>
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<span style="background-color: white; color: #b45f06;"> Artikel ini adalah semacam sub-artikel dari artikel sebelumnya “<a href="http://www.instalasilistrikrumah.com/pengawatan-meter-prabayar-dan-munculnya-tulisan-%e2%80%9cperiksa%e2%80%9d/" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;" target="_blank" title="Pengawatan Meter PraBayar dan Munculnya Tulisan "PERIKSA"">Pengawatan Meter PraBayar dan munculnya tulisan “PERIKSA”</a>”. Kami coba membantu sobat ILR dalam memahami fenomena munculnya arus netral pada kWh-meter, khususnya Meter PraBayar (MPB).</span></div>
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<a href="http://www.instalasilistrikrumah.com/wp-content/uploads/2011/04/System-tegangan-di-Indonesia-150x147.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="Sistem tegangan 3 phase dan 1 phase" border="0" class="size-thumbnail wp-image-222" height="147" src="http://www.instalasilistrikrumah.com/wp-content/uploads/2011/04/System-tegangan-di-Indonesia-150x147.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-style: initial; border-top-style: none; border-top-width: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="System tegangan di Indonesia" width="150" /></a><span style="background-color: white; color: #b45f06;">Ada beberapa pertanyaan mengenai sistem 3-phase yang diaplikasikan pada sistem kelistrikan PLN dan mengapa kabel listrik yang disambung ke instalasi listrik rumah terdiri kabel phase dan kabel netral? Mengapa kabel </span><br />
<a name='more'></a><span style="background-color: white; color: #b45f06;">phase bertegangan dan kabel netral tidak bertegangan? Dan mengapa ada arus netral yang datang dari jaringan listrik PLN? Semuanya kami coba rangkum dalam tulisan ini.</span></div>
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<span style="background-color: white; color: #b45f06;">Tetapi terus terang, tulisan ini dibuat sebagai “<em>nice to know”</em> saja. Isinya tidak rumit-rumit dengan rumus atau teori yang mendalam. Walaupun begitu, kami berusaha sebaik mungkin membuatnya lebih mudah dimengerti oleh pembaca yang merasa awam soal listrik. Mudah-mudahan cukup bermanfaat dan mencerahkan.</span></div>
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<span style="background-color: white; color: #b45f06;">Baiklah….silahkan klik di “selanjutnya”</span></div>
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<span style="background-color: white; color: #b45f06;">Sistem 3-Phase dan 1-Phase</span></h4>
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<span style="background-color: white; color: #b45f06;">Hampir seluruh perusahaan penyedia tenaga listrik menggunakan sistem listrik 3-phase ini. Sistem ini diperkenalkan dan dipatenkan oleh Nikola Tesla pada tahun 1887 dan 1888. Sistem ini secara umum lebih ekonomis dalam penghantaran daya listrik, dibanding dengan sistem 2-phase atau 1-phase, dengan ukuran penghantar yang sama. Karena sistem 3-phase dapat menghantarkan daya listrik yang lebih besar. Dan juga peralatan listrik yang besar, seperti motor-motor listrik, lebih powerful dengan sistem ini.</span></div>
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<span style="background-color: white; color: #b45f06;">PLN mengaplikasikan sistem 3-phase dalam keseluruhan sistem kelistrikannya, mulai dari pembangkitan, transmisi daya hingga sistem distribusi. Oh iya, agar lebih jelas, sistem kelistrikan PLN secara umum dibagi dalam 3 bagian besar :</span></div>
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<span style="background-color: white; color: #b45f06;">Sistem Pembangkitan Tenaga Listrik<br />Terdiri dari pembangkit-pembangkit listrik yang tersebar di berbagai tempat, dengan jenis-jenisnya antara lain yang cukup banyak adalah PLTA (menggunakan sumber tenaga air), PLTU (menggunakan sumber batubara), PLTG (menggunakan sumber dari gas alam) dan PLTGU (menggunakan kombinasi antara gas alam dan uap). Pembangkit-pembangkit tersebut mengubah sumber-sumber alam tadi menjadi energi listrik. </span></div>
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<span style="background-color: white; color: #b45f06;">Sistem Transmisi Daya<br />Energi listrik yang dihasilkan dari berbagai pembangkit tadi harus langsung disalurkan. Karena energi listrik sebesar itu tidak bisa disimpan dalam baterai. Karena akan butuh baterai kapasitas besar untuk menyimpan energi sebesar itu dan menjadi sangat tidak ekonomis. Sebagai gambaran, accu 12Vdc dengan kapasitas 50Ah akan menyimpan energi listrik maksimal kira-kira 600 Watt untuk pemakaian penuh selama 1 jam. Sedangkan total pemakaian daya listrik untuk jawa-bali bisa melebihi 15,000 MW (15,000,000,000 Watt). Jadi….Berapa besar baterai untuk penyimpanannya?<br />Untuk itulah suplai energi listrik bersifat harus sesuai dengan permintaan saat itu juga, tidak ada penyimpanan. Karena itu sistem transmisi daya listrik dibangun untuk menghubungkan pembangkit-pembangkit listrik yang tersebar tadi dan menyalurkan listriknya langsung saat itu juga ke pelanggan-pelanggan listrik. Saluran penghantarannya dikenal dengan nama SUTT (Saluran Udara Tegangan Tinggi), SUTET (Saluran Udara Tegangan Extra Tinggi) dll. Pastinya nggak asing dech dengan bentuknya yang kaya menara itu ya..<br />Di Jawa-Bali, sistem transmisi daya listrik ini diatur oleh P3B (Penyaluran dan Pusat Pengaturan Beban) Jawa-Bali yang berlokasi di daerah Gandul, Cinere, Bogor.</span></div>
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<span style="background-color: white; color: #b45f06;">Sistem Distribusi Daya Listrik<br />Dari sistem transmisi daya tadi, listrik akan sampai ke pelanggan-pelanggannya (terutama perumahan) dengan terlebih dahulu melalui Gardu Induk dan kemudian Gardu Distribusi. Gardu Induk mengambil daya listrik dari sistem transmisi dan menyalurkan ke Gardu-gardu distribusi yang tersebar ke berbagai daerah perumahan. Dan di dalam gardu distribusi, terdapat trafo distribusi yang menyalurkan listrik langsung ke rumah-rumah dengan melewati JTR (Jaringan Tegangan Rendah), yang biasanya ditopang oleh tiang listrik.</span></div>
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<span style="background-color: white; color: #b45f06;"><em>Selengkapnya mengenai sistem tenaga listrik PLN ini akan dijelaskan pada artikel lain yang akan masuk daftar tunggu untuk rilis</em> (“Sistem Tenaga Listrik PLN”).</span></div>
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<span style="background-color: white; color: #b45f06;">Listrik 3-phase adalah listrik AC (<em>alternating current</em>) yang menggunakan 3 penghantar yang mempunyai tegangan sama tetapi berbeda dalam sudut phase sebesar 120 <em>degree</em>. Ada 2 macam hubungan dalam koneksi 3 penghantar tadi : hubungan bintang (“Y” atau star) dan hubungan delta. Sesuai bentuknya, yang satu seperti huruf “Y” dan satu lagi seperti simbol “delta”. Tetapi untuk bahasan ini kita akan lebih banyak membicarakan mengenai hubungan bintang saja.</span></div>
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<a href="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/3-Phase1.jpg" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; text-decoration: none;"><span style="background-color: white; color: #b45f06;"><img alt="Sistem 3-Phase" class="size-full wp-image-723" height="177" src="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/3-Phase1.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-style: initial; border-top-style: none; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Sistem 3-Phase" width="186" /></span></a><br />
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<span style="background-color: white; color: #b45f06;">Sistem 3-Phase Hubungan Bintang dengan tegangan 380/220V</span></div>
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<span style="background-color: white; color: #b45f06;">Gambar disamping adalah contoh sistem 3-phase yang dihubung bintang. Titik pertemuan dari masing-masing phase disebut dengan titik netral. Titik netral ini merupakan common dan tidak bertegangan.</span></div>
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<span style="background-color: white; color: #b45f06;">Ada 2 macam tegangan listrik yang dikenal dalam sistem 3-phase ini : Tegangan antar phase (Vpp : <em>voltage phase to phase </em>atau ada juga yang menggunakan istilah <em>Voltage line to line</em>) dan tegangan phase ke netral (Vpn : <em>Voltage phase to netral </em>atau <em>Voltage line to netral</em>). Sistem tegangan yang dipakai pada gambar dibawah adalah yang digunakan PLN pada trafo distribusi JTR (380V/220V), dengan titik netral ditanahkan.</span></div>
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<span style="background-color: white; color: #b45f06;"><em> </em>Pada istilah umum di Indonesia, sistem 3-phase ini lebih familiar dengan nama sistem R-S-T. karena memang umumnya menggunakan simbol “R”, “S” , “T” untuk tiap penghantar phasenya serta simbol “N” untuk penghantar netral.</span></div>
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<span style="background-color: white; color: #b45f06;">Kita langsung saja pada sistem yang dipakai PLN. Seperti pada gambar tersebut, di dalam sistem JTR yang langsung ke perumahan, PLN menggunakan tegangan antar phase 380V dan tegangan phase ke netral sebesar 220V. Rumusnya seperti ini : </span></div>
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<strong><span style="background-color: white; color: #b45f06;">Vpn = Vpp/√3 –> 220V = 380/√3</span></strong></div>
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<span style="background-color: white; color: #b45f06;">Instalasi listrik rumah akan disambungkan dengan salah satu kabel phase dan netral, maka pelanggan menerima tegangan listrik 220V. Perhatikan pada gambar dibawah ini :</span></div>
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<a href="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/3-Phase2.jpg" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; text-decoration: none;"><span style="background-color: white; color: #b45f06;"><img alt="Sistem Listrik 3-Phase" class="size-full wp-image-725" height="254" src="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/3-Phase2.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-style: initial; border-top-style: none; border-top-width: 0px; display: block; margin-bottom: 0px; margin-left: auto; margin-right: auto; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Sistem Listrik 3-Phase" width="577" /></span></a><br />
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<span style="background-color: white; color: #b45f06;">Sistem Listrik 3-Phase PLN 380/220V pada Jaringan Distribusi Perumahan</span></div>
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<span style="background-color: white; color: #b45f06;">Contoh 3-phase hubungan delta bisa dilihat di sisi primer dari trafo diatas (sebelah kiri). Sedangkan sisi sekunder (sebelah kiri) terhubung bintang. Hubungan delta pada umumnya tidak mempunyai netral.</span></div>
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<span style="background-color: white; color: #b45f06;">Arus Netral pada sistem 3-phase</span></h4>
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<span style="background-color: white; color: #b45f06;">Salahsatu karakteristrik sistem 3-phase adalah bila sistem 3-phase tersebut mempunyai beban yang seimbang, maka besaran arus phase di penghantar R-S-T akan sama sehingga In (arus netral) = 0 Ampere.<br />Contohnya pada gambar diatas : Misal ketiga rumah tersebut mempunyai beban yang identik seimbang. Maka arus netral sebagai penjumlahan dari ketiga arus phase tersebut akan menjadi : </span></div>
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<strong><span style="background-color: white; color: #b45f06;">Ir + Is + It = In –> Bila beban seimbang maka Ir = Is = It dan In = 0 Ampere</span></strong></div>
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<span style="background-color: white; color: #b45f06;">Kok hasilnya bisa nol? Karena sistem penjumlahannya adalah secara penjumlahan vektor, bukan dengan penjumlahan matematika biasa (jadi bukan 1+1+1=3).</span></div>
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<span style="background-color: white; color: #b45f06;">Pada prakteknya, beban seimbang dari ketiga phase tadi hampir mustahil dicapai. Karena beban listrik setiap rumah belum tentu identik. Bila terjadi ketidakseimbangan beban, maka besar arus listrik setiap phase tidak sama. Akibatnya arus netral tidak lagi sebesar 0 Ampere. Semakin tidak seimbang bebannya, maka arus netral akan semakin besar.</span></div>
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<span style="background-color: white; color: #b45f06;">Karena sifat arus <a href="http://www.instalasilistrikrumah.com/" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-decoration: none;" target="_blank" title="Instalasi Listrik Rumah">listrik</a> adalah loop tertutup agar bisa mengalir, maka arus netral tadi akan mengalir ke instalasi listrik milik pelanggan dan melewati <em>grounding</em> sistem untuk masuk ke tanah, yang akhirnya mengalir balik ke titik grounding trafo kemudian kembali masuk ke instalasi listrik rumah, demikian seterusnya.</span></div>
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<span style="background-color: white; color: #b45f06;">Walaupun pelanggan listrik tersebut mematikan daya listrik yang masuk ke rumah, dengan MCB di kWh-meter pada posisi “<em>OFF</em>”, arus netral tetap akan mengalir.</span></div>
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<a href="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/MPB-2A.jpg" style="margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify; text-decoration: none;"><span style="background-color: white; color: #b45f06;"><img alt="Arus Netral pada MPB-1" class="size-full wp-image-708" height="254" src="http://www.instalasilistrikrumah.com/wp-content/uploads/2012/01/MPB-2A.jpg" style="border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-color: initial; border-image: initial; border-left-style: none; border-left-width: 0px; border-right-style: none; border-right-width: 0px; border-style: initial; border-top-style: none; border-top-width: 0px; display: block; margin-bottom: 0px; margin-left: auto; margin-right: auto; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" title="Arus Netral pada MPB-1" width="550" /></span></a><br />
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<span style="background-color: white; color: #b45f06;">Arus Netral ke kWh-Meter Saat Terjadi Beban 3 Phase Tidak Seimbang</span></div>
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<span style="background-color: white; color: #b45f06;">Apa pengaruhnya pada Meter Prabayar?<br />Seperti yang dijelaskan pada artikel sebelumnya “Pengawatan Meter PraBayar dan munculnya tulisan “PERIKSA”, adanya arus netral yang tidak diinginkan ini akan membuat masalah pada Meter Prabayar (MPB) bila pengawatan pada MPB tidak benar. Karena MPB cukup peka mengukur perbedaan antara arus phase dan netralnya.</span></div>
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<span style="background-color: white; color: #b45f06;">Oke dech sobat…sampai disini dulu tulisannya. semoga sobat ILR menjadi lebih jelas memahami sistem kelistrikan 3 phase dan fenomena arus netralnya serta hubungannya dengan masalah pada MPB. Mudah-mudahan bermanfaat. Mohon maaf bila tulisannya malah jadi rumit dan sulit dimengerti.</span></div>
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<span style="background-color: white; color: #b45f06;">Bila ada pertanyaan silahkan saja. Walaupun mungkin anda awam istilah teknis, yang penting maksudnya tersampaikan <img alt=":-)" class="wp-smiley" src="http://www.instalasilistrikrumah.com/wp-includes/images/smilies/icon_smile.gif" style="border-bottom-color: rgb(105, 188, 226); border-bottom-style: none; border-bottom-width: 0px; border-color: initial; border-image: initial; border-left-color: rgb(105, 188, 226); border-left-style: none; border-left-width: 0px; border-right-color: rgb(105, 188, 226); border-right-style: none; border-right-width: 0px; border-top-color: rgb(105, 188, 226); border-top-style: none; border-top-width: 0px; border-width: initial; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" /> . Juga mohon koreksinya bila ada yang harus diperbaiki.</span></div>
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<span style="background-color: white; color: #b45f06;">Salam,</span></div>
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</div>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com1tag:blogger.com,1999:blog-8548071053039196931.post-22346568068604867632012-03-27T17:59:00.001-07:002012-04-03T13:13:46.749-07:00ARUS BOLAK BALIK (AC)<br />
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<span class="fn" id="h1AbsTitle">Pengertian Arus Bolak-balik</span></h1>
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Definisi Arus bolak-balik. Arus listrik atau AC (Alternating Current), atau arus bolak balik adalah arus listrik yang arahnya selalu berubah secara periodic terhadap waktu. Biasanya dihasilkan oleh generator atau dynamo. Nilai arus dan tegangan bolak-balik selalu berubah-ubah menurut awktu, dan mempunyai pola grafik simetris berupa fungsi sinusoda. Nilai arus dan tegangan bolak-balik disebut nilai efektif.<br />
Sementara itu pengertian adaptor atau definisi adaptor adalah alat untuk mengubah tegangan dan jenis arus listrik bolak-balik menjadi searah, dengan besar tegangan disesuaikan menurut keperluan. Misalnya dalam pemakaian alat-alat listrik yang memerlukan arus searah seperti radio, tape recorder, dan lampu senter dapat menggunakan arus bolak balik (AC), asalkan lebih dahulu dilewatkan adaptor. </div>
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<span style="background-color: white; font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 15px; text-align: left;"><br /></span>DhienTha.comhttp://www.blogger.com/profile/01264171870624343459noreply@blogger.com0tag:blogger.com,1999:blog-8548071053039196931.post-34663367379458602742012-03-27T17:56:00.001-07:002012-04-03T13:14:26.156-07:00ARUS SEARAH (DC)<br />
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<span class="fn" id="h1AbsTitle">Pengertian arus searah (dc)</span></h1>
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Definisi arus searah adalah arus listrik yang arahnya selalu tetap terhadap waktu. Arus listrik ini bergerak dari kutub yang selalu sama, yaitu dari kutub positif ke kutub negative. Polaritas arus ini selalu tetap. Sumber arus searah misalnya aki, baterai, beberapa jenis elemen dan generator searah. <br />
<a name='more'></a>Sumber arus ini biasanya ditandai adanya kutub positif dan kutub negative. Arus searah ini dalam bahasa Inggris nya adalah Dirrect Current (DC) atau biasa disebut arus DC. </div>
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