Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2308

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Differenciate between circuit wiring and sub main wiring with illustrations

2254

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how to design coil turns ?

1987

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how to calculate magnetic force genrated by a coil ?

2202

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How to Decide(calculate) Bush bar size for copper and aluminiam ?

2138

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why all the feeders are designed in a particular manner ... is there any reason for that???

1957

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difference between power surge and switching transient

2094

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6166

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How LT megger works ?

2132

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whate is the meaning of balance/unbalance,in stabilizers type

2140

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how the works electronic energy meter?

2167

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WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2117

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How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

2376

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Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

4324

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i want to know about torque of slip ring induction motor

2130

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