Answer Posted / a

during earth fault, high earth leakage current flows through
the earth terminal. so that hole is big

pls tell us AC plant are how do work and parts name with picture

2008

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

2079

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

1715

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Classify drilling machines.

1209

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Why field rheostat is kept in minimum position?

1324

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What is 100% protection of generator? Why 100% is not used but 95% is generally used?

1094

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

2091

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What are IR values and what it should be for coil and for insulator

3044

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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

2154

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how we calculate the withstansing current capacity of wires&cables?

2054

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What is primary and backup protection?

1210

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Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

2253

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WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1947

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iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

2309

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what is the difference between active power and reactive power and apparant power in practical as well as theoritical

1999

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