Answer / shibil

Types of Relays:

1.overcurrent relay
2.Earthfault relay
3.Motor protection Relay
4.Generator protection Relay
5.Bus Bar protection relay
6.Distance relay

Motor also having losses, we call KW rating. In transformer and generator having losses but we call KVA Rating why?

9 Answers  

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Why the generating station rating is in KW though the rating of generators in KVA?

8 Answers   HAL,

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what are the method of testing of transformer??

2 Answers   NCC,

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what is the 2MVA distribution transformer efficiency

1 Answers  

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why we somewhere use ryb phase sequance, somewhere use uvw, and somewhere abc??

4 Answers  

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what is the means of dedicate earthing?

2 Answers  

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what is the ka rating of mccb. and how it is decided .

3 Answers   Napino,

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how we are measuring the winding temperature of the transformer?

11 Answers  

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why core is useful for the transformer and in its operation

1 Answers  

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How do you commission a power Transformer?

1 Answers   EEI,

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what happen when dc shunt motor field is sudden open in running condition

34 Answers   APGenco, Bhel, IIT, JMRC, TCS,

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what is main reason for grid earthing for any industry

4 Answers  

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