1kva=how many kw & amps

4 Answers   Jakson,

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why the iron chains were hanged at the back or front of the trucks earlier which were touching the earth?

2 Answers  

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which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

2 Answers   Bhel,

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Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

1 Answers   NTPC,

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Define damping ratio.

0 Answers  

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when is the Ohms law is applicable?

11 Answers   ABB,

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what do you mean by plant earthing system.

0 Answers  

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What should be cable size for 75KVA 380/220 3ph transformer

3 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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what is the purpose of using filters in a protective relaying scheme?

0 Answers  

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WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

0 Answers  

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how we can calculate LT side current of transformer

2 Answers   L&T,

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