How is the air circuit breaker quenching the arc. If it is by air means, where is it come from?

1 Answers  

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What is the function of Buchholz relay in transformer ?

1 Answers  

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Why earthing is necessary for any equipment?

0 Answers  

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what is a starter ??

2 Answers   NPTC,

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why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

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We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V) I want to step down from 440 to 220 V What to do. Pl. suggest with specification.

1 Answers   ARDE,

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what is the tolerance of electrical frequency for India? it's .5% or 1%?

8 Answers   Engro,

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what happens when the transformer is connected to DC supply?

4 Answers  

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How to obtain B license from TNEB license board. What is eligibility?

11 Answers   Core, Reliance,

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what is the consuption rating of motor in one day

1 Answers  

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what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

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what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

1 Answers  

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