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what type of relays used in transformers?
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Answer / maha
The anser is Differential relay because the examinor asked
the question in the sense of power tranformer. but buch
hole relay is used for tranformer internal faults..
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / j.ramkumar
over voltage reley
over current reley
earth fault reley
dv/dt relay
diff relay
bocolz relay
surge protection relay
over fluxing relay
| Is This Answer Correct ? | 9 Yes | 4 No |
Answer / g.v.suresh kumar
BUCHLOZ RELAY IS USED FOR INCIPITENT FAULTS
PERCENTAGE DIFFERENTIAL RELAY IS USED FOR INTERNAL FAULTS
AND EXTERNAL FAULTS
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / v.c.k
Buchholz relay
Gas Pressure/Oil and winding temperature relay provided
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / gopi
yes, we can use buchhloz relay to protect the transformers.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / anjani kumar
For internal fault buchholz relay
is used while external fault differential relay is used.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / 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....
| Is This Answer Correct ? | 3 Yes | 0 No |
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