pls give me brif explaination about the distance relay.

4 Answers  

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What happens if we connect a single phase energy meter in reverse polarity.

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Why are the laminations insulated from each other?

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We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

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what is meant by loss of field in a DC motor? how a universal motor works?

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what are check points to be checked while charging switchyard?(CT,PT,BREAKER,POWER TRANSFORMER)

1 Answers  

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In case of a synchronous generator carbon brushes, some brushes expire before the others. Why is so? When all the brushes are installed at the same time, why don't thee expire at the same time?

1 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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What is expention fastener (Fan)

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defination of controlled shunt reactor

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What is the difference between earth resistance and earth electrode resistance?

1 Answers  

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