Answer / bawla

Extra heat is generated due to induction which is impossible in DC current.There is no cop.loss in DC circuits.

Answer / manu

generally heat in dc machine is more than that of ac.

Why the transformers are rated in KVA ? in new view

3 Answers  

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WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

0 Answers   GE,

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What is CVT and what is relation with wave trap?

0 Answers  

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How can we calculate the capacitance of generator?

1 Answers  

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Why battery rooms painted with dark colour

1 Answers   BAL, MSETCL Maharashtra State Electricity Transmission Co Ltd, Polycab,

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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Define end float in a motor?

0 Answers  

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IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

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1kva=how many kw & amps

4 Answers   Jakson,

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Dear all, is ther any body who can tell me about the setting of ACB(air circuit breaker ). what kind of it,s setting is and how to do it,s setting. also please tell me the setting of VCB(vaccume circuit breaker) . please tell me their setting,s. i will b very thank ful to all of u. Thank,s and Regard,s. Muhammed Ikram.

2 Answers  

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Why transformer called by KVA?

8 Answers   Reliance,

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hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.

0 Answers  

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