what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)
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Answer / ashish sahebrao tekade
If there is a low pressure the arc quenching time of current is low, thats why relay got large time to operate. If there is high pressure of sf6 gas there is a possibility to break a bottle of sf6 gas filled which is harmful of machinery
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And the contacts may get damaged due to prolonged arcing
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