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vaccume circuit breaker

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suresh kumar

from India

Joined: 15 Oct 2007
Posts: 1
Location: India
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PostPosted: Mon Oct 15, 2007 7:34 pm    Post Subject:
vaccume circuit breaker
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why ACB is not using in 11KV instead of VCB
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ricicle

from United Kingdom

Joined: 14 Sep 2006
Posts: 3485
Location: Gloucestershire,
United Kingdom
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PostPosted: Mon Oct 15, 2007 7:54 pm    Post Subject:
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The vacuum in the breaker extinguishes the arc when switching high voltage currents.Also the service intervals tend to be longer with vacuum breakers than with air circuit breakers

You really should post this on the IET as there are some pretty knowledgable folks on there.... icon_wink.gif

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