Answer / rakesh kumar

believe me though extensive but u cant get a better book
for any topic of power system than jb gupta

Answer / hm

" SWITCHGEAR PROTECTION AND POWER SYSTEM " by SUNIL S. RAO

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

3 Answers   Sanima Hydro Power,

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Dear all, is ther any body who can tell me about the setting of ACB(air circuit breaker ). what kind of it,s setting is and how to do it,s setting. also please tell me the setting of VCB(vaccume circuit breaker) . please tell me their setting,s. i will b very thank ful to all of u. Thank,s and Regard,s. Muhammed Ikram.

2 Answers  

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Explain the different regions in frequency response?

0 Answers  

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is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.

0 Answers  

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What is function for Load Bank test and why need to test.

1 Answers  

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What is the exact formula for one weber of magnetic flux?

0 Answers   Bhel,

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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how does oil cools the transformer

3 Answers   HBL Power Systems,

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Hoe do calculate the Cable size for Amps rating ?

0 Answers  

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On what basis the the size of Lightning arrester for buildings are selected ?

0 Answers   KGD,

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What are types of encoders?

19 Answers   ITC Infotech, UFO, Wipro,

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