Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

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what is hysteresis loss?

4 Answers   PSU,

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Define peak time.

0 Answers  

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

0 Answers   OCL,

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i've iocl interview.. if you know the interview process please give me information..

0 Answers  

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why we use carbon brush in exciter&genrator?

5 Answers   ABB, SMC,

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what is meant by HT&LT?

5 Answers  

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Why we did not feel electric shock in electric train?

1 Answers   NTPC,

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why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?

0 Answers  

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what happen if turbine trip ,g.c.b not open and excitation on condition?

1 Answers  

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