Answer Posted / shakthi

The highest A.C transmission voltage in India is 1200 kV,
which is provided in Madhya Pradesh, and Maharastra and in
dc we have +/- 800 kv

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

2267

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1831

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what is meant by re-rolling motor? how it differs from standard motor?

2043

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what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

4336

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1481

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what is metering cum synchronizing panel and how it is used?

4655

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at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

1670

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plz explain the auot-reclosing circuit in electrical engineeing

2490

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what is die electric strnth of transformer ?

2191

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3803

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what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

2371

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What magnetic circuit is formed in berry-type constructions and why?

1078

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what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

18450

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why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1690

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how are reversing the direction of rotation of dc motor

1771

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