Answer Posted / sumit

at the time of fault trip circuit will not work
and the contacts of the ckt brker will melt due to high
current

What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

1049

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what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

2381

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How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2376

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what are all the components required to assemble solar panel other than pv cell?

1435

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How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1870

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how dose servo motor works

1861

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What is the actual calculation for transformer short circuit test?.

2407

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How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

1699

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What do you mean by screen of power cables?

1716

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how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

2732

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Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

1750

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Explain The Application Of Storage Batteries?

1098

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I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1894

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advantage and disadvantage of team work?

1647

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What is voltage ratio of a transformer?

1116

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