What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required
Answer / muthu
It's varying asper soil resistance but my answer is 100 to 400 ohm
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any one have papers of hpcl or sailof ELECTRICAL ENGG.
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0 Answers Gulf, UB Engineering,
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for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
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