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

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

Question Posted / virender76

Answers were Sorted based on User's Feedback

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 ? ..

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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