What is the difference between Contactor and Circuit breaker ?

8 Answers  

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What is working principal of V.C.B., O.C.B., A.C.B & Over load relay?

4 Answers   Unitech,

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Upto what extend the powerfactor of a supply system can be improved to be cost effective?

1 Answers  

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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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which signal we found accurate reading of analog signal or degital signal and why?

1 Answers  

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what is a 3 phase power formula ?

5 Answers  

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What is class 2 coordination ?

2 Answers  

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Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

0 Answers  

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expalanation for 5p10 class.

6 Answers  

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

0 Answers  

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What is thyristor?

13 Answers  

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

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