Answer / markandeya

bucholz relay will bi instaald in between conservator and
transformer body.
it will give trip command when flow of oil is high or no
oil in conservator.

PRV is connected at the top of atransformer body. it will
opens towards atmospare when inside pressure is high

Answer / rupesh birla

Baccho relay genral operated through gas actuated in transformer. And prv relay operated throw oil pressure in transformer.

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