how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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why ground cannot be used as neutral as ground also provides close path for current flowing ?

3 Answers  

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For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 Answers  

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what is Wave Trap? And its Function ? Detail? Where it is Used?

7 Answers  

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1 unit or 1 kwh means how much kva

7 Answers   TATA,

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galloping in transmission line is due to

2 Answers   DVC,

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why all the feeders are designed in a particular manner ... is there any reason for that???

0 Answers  

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what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

0 Answers  

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what is principle of DG

5 Answers  

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Safety of dry type transformer

0 Answers   Icon,

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IAM WORKING IN THERMAL POWER PLANT AS A TRAINEE.. I WANT TO IMPROVE MY CARRIER., IF ANYBODY KNOWS ANY COURSES., ANY TESTS, ANY BOOKS ,, ANYTHING PLS HELP ME..

2 Answers  

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in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

2 Answers   Shell,

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