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what is pressure relief valve in D.G ?state its function?
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Answer Posted / mrudang
in DG
i am answering about transfdormer
PRD (pressure relief device) using also in transformer
the function remain same
when the fault occcures in transformer , the oil pressure ,
tank mechanichal preessure affect the transformer ,
when fault occurs the oil temperature is high , and ur oil
expands and pressure will be increase
so u use the PRD for relese the pressure of transformer
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