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what type of relays used in transformers?
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Answer Posted / paul
1.Differential Relay or
2.Overall differential Relay
3.Overflux Relay
4.Buchholz Relay (Only for oil immersed transformers, but widely used)
5.OLTC Buchholz Relay
6.PRV Relay
7.OT
8.Trip Relay
9.WT Trip Relay etc....
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