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What is PIR (pre
inserting resistance)
in 400kv EHV SF6
BREAKER? Why it use?
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Answer Posted / j.karthik(cce)
PIR means Pre insertion resistor... This PIR is connects
parallel to the main interruptor..This is used to limit the
current to be interrupted.
| Is This Answer Correct ? | 12 Yes | 5 No |
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