why we don't use air circuit breaker on H T line in place of
vacuum circuit breaker ?

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why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ? ..

Answer / sayyid ahamed pm

at the time of opening of cb more current and high voltages are causes to produce high arc due to air and moister are help to produce fire

Is This Answer Correct ?    7 Yes 0 No

why we don't use air circuit breaker on H T line in place of vacuum circuit breaker ? ..

Answer / mostafaghodrat

vaciuum c.b is advanced.

At the moment arc, and the keying is more effective.
air c.b is more expensive.

Is This Answer Correct ?    3 Yes 3 No

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