Answer / sheikh

Do you means over & under current protection relay and under
, over voltage relay . if yes then symplestic matter where
is need of over and under vol,protection and where is under
and over current protection.

Can double compression glands be used with regular cables?

0 Answers  

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Where -48 volt DC use & why?????????

10 Answers   Ericsson, INDUS, Indus Towers, Telecom,

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if we give DC suply to the AC motor what hapen

5 Answers   TATA,

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Distinguish between shunt and series field coil constructions.

2 Answers   BEL,

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please explain me about traction application?

2 Answers  

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What is the range of the stator resistance of 3 phase induction motor?

1 Answers  

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As per IS why should the control be taken only from R phase, why not from B or Y phase??!!

2 Answers  

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Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

2 Answers   NTPC,

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What differance between Circuit brekar and Isolater?

14 Answers   TATA,

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1.type of oil in used in transformer.

9 Answers  

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Why 11KV PT Secondaries [(11000/1.732)/(110/1.732)/ (110 / 3)]are in star connection ? And why the same should not be in delta ?

1 Answers  

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low voltage grounding is done by?? 1)solidly gnd 2)ressistance 3)reactance

1 Answers  

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