Answer / sheikh

VCB is vacuum circuit breaker and there is arc quenching medium is vacuum . VCB used on high & medium voltage.
ACB is Air circuit breaker and there is arc quenching medium
is Air blast. ACB used on low voltage application .
there are main difference is quenching mediums.

How size of Earth Strip is determined for a particular Fault current.

1 Answers  

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Can a 5 core cable one end with a 32A 3p+N+E plug and the other end 32A 3p+E be used on a generator?

1 Answers  

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what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

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what is MFD value in capacitor?I have 201 Kva load & reactive power is 150 Kvar. so how it is calculated?

2 Answers   IIT,

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could you measure current in parallel?

0 Answers  

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What is a differential amplifier?

0 Answers  

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can we find the inductance of a induction motor?

0 Answers   Trident,

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why transmission voltage is 230kv and not 220kv which is a multiple of 11

1 Answers   Mettur Thermal Power Station, Siemens,

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in three phase it represented by R-Y-B.what is full form of R-Y-B.

11 Answers   Sun Pharma, TCS,

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What is the role and reponsibilities of Electrical Engineers in construction field?

12 Answers   ETA, Garg Electronics, L&T,

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What is differential relay ? where it can be used?

1 Answers   Scope International,

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What is meant by harmonic distortion?

0 Answers  

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