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what is different between buchhoz relay and pressure relife devices in transformer
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Answer Posted / abhishek goyal
when the short ckt or any other fault happening into the
transformer it will detected by the buchhloz relay (gas will
accumulate into the relay). if pressure into the tank is
above the set point of PRD/PRV it will activate. both are
safety device one can sense the gas other one can sense the
pressure.
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