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why do we prefer VCB over OCB? what are the advantages of
Vaccum Ckt. Breaker over Oil Ckt. Breaker?
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Answer Posted / sithi
arc extinguish is more fastly than OCB
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In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
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