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Questions / { santhosh }
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Can we parallel lise the secondary side of the two similiar transformers with same voltage ration, imp, but with different vector groups.. ( for ex. 11 KV / 6.6KV two trfs but different vector groups can we parallelise both of them ,, what happens if we parallelise them
1 Electrical Engineering 3669
Answers / { santhosh }
Question { 66190 }
what is the function of LBB relay
Answer
back up protection for local breaker (CIRCUIT BREAKER) a
predefined time set in the relay and when the circut breaker
for LBB is kept does not operate ( during fault conditions)
in the pre defined time the surrounding breakers are given
trip command by the LBB relay to restriced the fault..
| Is This Answer Correct ? | 78 Yes | 13 No |
