Answer / kavaskar

M.P.C.B=Motor protection circuit breaker.
it is a electrical device,it is used to isolate
(protect)the fault part of the powersystem at abnormal
condition,motor protection means isolate the motar fault at
running condition..........

Answer / nandakumarp

MPCB means Motor Protection circuit breaker.it is used to
protect the running motor from faults.

Answer / rams

Motor Protection Circuit Breaker

If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  

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What effect of supplying stationary generator (800kVA) with 415V AC from 1500kVA transformer?

2 Answers  

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why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?

1 Answers   KSPL,

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What is the earth treantment procedure?

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What is transister define the transister ammiter ,base, colector.

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Is there any relation between transformer capacity and its bdv?

1 Answers  

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1. name the relay for protecting transformer 2. Current Transformer 3. potential Transformer

1 Answers  

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is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

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sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

0 Answers  

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what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 Answers  

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What is the meaning of dedicated earthing?

0 Answers   Dabur,

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what is the major difference between dc generator and synchronous generator?

4 Answers  

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