why there is spacing between two rails in railway?

3 Answers   DS Group, RRB,

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1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?

2 Answers   IES,

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difference between servo motor and synchronous motor

0 Answers   Hitachi,

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Will it be OK to connect a 5MVA 33/6.6kV Ynd11 Transformer to a Star connected Motor. Or on other words connecting a Delta to a Star. I have another 30MVA 33/11 Dyn11 and would it be practical to convert it to Dd0 consequently converting the Voltage Ratio to 33/6.35kV Dd0.

1 Answers  

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how to calculate the distance relay faulty zone?pls explain?

0 Answers  

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what is the different between counterpoise earthing and pipe earthing?

1 Answers  

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Transformer diagram mention each parts ?

0 Answers  

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what is Over current, earth fault (O/C+E/F) ?

2 Answers  

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placement paper samples of mspl company

0 Answers   MSPL,

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why v/f ratio to maintain constant in speed control of induction motor?

3 Answers  

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Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

0 Answers   Megatron Solutions, TCL,

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why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

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