Answer / uttam lal

to reduce the core losses in transformer. core loss is the sum of hystersis and eddy current loss

Answer / b.deepika reddy

To suppress the core losses/constant losses/Iron losses..especially Hysteresis losses..
Hysteresis +Eddy current =Iron losses

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

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15 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true? A. All the suspects are lying. B. The leftmost suspect is guilty. B only

2 Answers   TCS,

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How will polarity test of Dy5 Transformer ?

0 Answers  

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why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)

0 Answers  

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

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Pls explain about full theory of salient pole generator?

1 Answers   Kirloskar,

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what is the VA(Voltampire)? define with calculation?

4 Answers  

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if field winding of synchronous generator are shorted on each other will it start or burn or run for short time like induction motor

1 Answers  

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what is the material use in bus bar & why.

3 Answers  

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What is C2-M2-E2 class in circuit breaker. why and where it is to be used in circuit breaker

1 Answers  

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How to increase solar cell efficiency ?

1 Answers  

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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