Answer / jayalakshmi

Voltage regulation is calculated by the percentage difference of no load to the full load voltage with respect to the full load voltage

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

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why dhyedration test required for transformer oil once in a year

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

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working

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what is meant by directional earth fault and non directional earth fault? describe both.

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what is the solution for meger test failed the MV cable?

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While elctrical load on DG,capacitor banks kept off why so? If capacitor banks on is their any effect DG?

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how to calculate the kw, Amps consumed by a capacitor, give me the formula for KVAr into capacitance,KVAr into KW & KVA, Amps

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What is the basic principle of circuit breaker?.. I read that it works on electro-mechanical principle... Does it require both electric n magnetic conversion to act?

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Differentiate between real and apparent power?

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how much the voltage & resistance should be ,between earth & neutral points.?& why?

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