Answer / ramesh

1. Daily maintenance - A check
2. every 250 running hours check - B Check
3. every 1000 running hours check - C check
4. Every 3000 Running hours check - D check
5. Taphead checking at 5000 to 6000 running hours - E Check

why neutral is required in electrical system

3 Answers   Bhel,

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Can the efficiency of transformer be measured with the help of wattmeter readings taken at primary and secondary side? Support the answer.

2 Answers  

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i HP = ?? 746 watts or 735.5 and how??

1 Answers  

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We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?

1 Answers  

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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What is transformation ratio what it describes?

0 Answers   Cushman Wakefield,

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what is tesla ?

1 Answers  

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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what is the difference between arc and spark

2 Answers  

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send me all basic electrical question and answers

0 Answers  

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High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

0 Answers   NTPC,

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What is the significance of %Z in case of transformer?

1 Answers  

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