Answer / k.prakashchandra

Battery back up time depends on actual/real load in KW ,not
the KVA rating of the UPS.

Answer / anand

Battery back up time depending laod.backup is inversly
preportional to load.

Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

1 Answers   Siemens,

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what is brushless generator.How does work it..??

3 Answers   NTPC,

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do you have some of interview Questions in power and genrator section in general whith answers

0 Answers  

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What is DG B-check and C-Check

1 Answers  

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In a three phase transformer(delta/star connected)when i touch one end of the bulb in any one phase and other end to earth..will the bulb glow or not..if not why?..i'm touching the bulb in star connected side...

6 Answers  

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state the construction of incondenscent lamp?

0 Answers  

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when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.

3 Answers  

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how we identify between current transformer and potential transformer without having it name plate?

5 Answers   L&T, TATA,

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1.How to calculate backup time from series connected battery of 12v dc with 26Ah for 2battery?

3 Answers  

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why we change the direction of winding in rotor ?how we make the north and south pole?

0 Answers  

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what is the difference between ac and electric

1 Answers  

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how much percentage set in transformer diffrencial relay

1 Answers   Bajaj,

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