Answer / sunil solanki

circuit breaker operating time & tripping time should be in
ms.also tripping time should be less than operating time.

Answer / barkha thakur

Circuit breaker operating time & tripping time should be
few cycles of the supply voltage

Answer / electrix

Cicuit Breaker Opening / Closing time are always in milli
secs. usually in 11 kv breakers it is around 60 - 80 ms for
closing and 40 - 60 ms for opening.

how can we find CT coil not working ?

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our scope called one core cable for distribution system so we like to use 4 core cable with one equipment grounding conductor so what kind of technical reasons i can say that the 4core is better then 1 core,

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WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

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PLEASE EXPLANE WHAT IS " MOSFET AC CONVERTER"? WHERE AND HOW IT IS USED?

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what is raw power & normal power

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