If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

2 Answers   Focus,

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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working principle of AC Servo Motor with its construction

0 Answers   TATA,

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why we measure output of transformer in kva?

1 Answers  

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plz tell me about BACK emf and how it generates?

2 Answers  

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We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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what will be the efficiency off x'mer during no load test and during short circuit test

1 Answers   GPSC Gujarat Public Service Commission,

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What is the difference in Line PT & Bus PT.

3 Answers   Bhel,

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. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

1 Answers  

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dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

0 Answers  

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why do MCB melt but not tripped in lighting highmast??

1 Answers   AHPCL,

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What is IDMT? What is the principle

3 Answers  

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