Answer Posted / sunil

this is the main device of electric power to control the hole supply.dp is the main operative system and also we can say main Gare.

pre arcing time of ehv breaker

2183

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if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1951

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what is feeder bay?

1651

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how to extend relay operating timing in 24V dc relay card (without using Timer )

2071

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Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

2198

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Which is the largest hydropower station in the world?

1187

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What is the main cause of magnetism?

2130

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'documenˁ

2019

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Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

4528

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What is meant by reverse polarity and how it can be fixed?

1306

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Define piezo-electric effect?

1186

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A cotter joint is generally used to transmit

1307

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What happens to a motor if it is connected in Delta connection

1106

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What is an order of a system.

1436

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detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

3176

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