Answer / bivin shankar

in vcb the arc extinguishing medium is vaccum which is
having high arc extinguishing capacity .but in ACB the arc
extinguish medium is air which is having low arc
extinguishing capacity, so if we use the air circuit
breaker in the place of vcb the arc will not extinguish and
may cause the equipment damage.

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If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

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Everybody Knows What is ACB, VCB but anybody tell me what is ST?

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how many transformer

8 Answers   Dalmia Group, TATA,

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