Answer / sudhakar g

Buchholz relay is used mainly to sense the faults of oil
temperature, winding temperature....if any thing happend for
insulation of winding in transformer it causes the gas in
the t/f then ...it will decrease the oil level in the t/f
.....the buchholz relay sense the condition and give alarm.

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Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

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