Answer / yu

provision for low voltage side with NGR

1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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What can make the the overloads operate when a star delta three phase motor starts?

1 Answers  

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any one can explain the stages of a knee point which is taken during ct magnetising curve.

0 Answers   Tata Steel Limited,

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Why CT secondary is grounded?

11 Answers   GE,

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how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

0 Answers  

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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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what phase and neutral.

3 Answers   HP,

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what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

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why occ characteristics of generator is also called as magnatization characteristics

1 Answers  

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when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

0 Answers   ETA,

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How transformer winding & oil gets heat.

3 Answers  

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