why vacuume circuit breaker is not used for EHV
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Answer Posted / sakshi
vacume ckt breaker of high rupture capacity are more
expensive than other type of ckt breaker..more over the
interrrupters is limited for 20kv,thus above for 36kv ,two
interrrupters are required,,,
n in event of vaccum loss at Extra high voltage,itz repair
is immposible..
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