What is the selection process of breakers. Can any one please give a formulation on same?

0 Answers   Sterling Wilson,

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how to increase the power factor in machines

5 Answers  

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What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 Answers  

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whats relation b/w motor current & friqency

1 Answers  

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if 2500 KVA TRANSFORMER CAPACITY.33KV INCOMING HOW ARE AMPEAR PRIMERY SAID

3 Answers   Cipla,

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what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

13 Answers   Apollo, OPS,

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Actually why the transformers are rated in KVA.?

4 Answers   BSL, Engineering,

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why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

0 Answers  

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% voltage variation in distribution a)1% b)5% c)10% d)15%

2 Answers  

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What is the function of wave trap in an electrical substation?

2 Answers  

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I have 200 KVA Isolation Transformer for UPS input side. & ups was having 48% load, suddenly got short what will be the reason.

1 Answers   Mukand,

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why genarator genarating voltage 11 KV?

0 Answers  

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