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transformer protection can b done by-

1)using buccholtz relays - this relay basically is connectd in the pipe between d main transformer oil tank and the conservator tank.whenever slight overloadin results

d trans4mer oil vapourises thus d oil in d main tank moves 2wrds d conservator dus cozin the float to drip lower n the alarm 2 switch on . in case of faults d level of oil decreases in d oil tank n dus the float causes d circuit 2 trip 2 prevent damag 2 d trans4mer .

2)differential protection -if the differenc between d primary n scndry current increases beyond a certain limit d trans4mer circuit is disconnectd 4rm d circuit

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13y ago

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