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why VCB are not used in 132KV system(above 33KV system)
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Answer Posted / karunakar
Ionisation at higher voltages causes arcing between breaker
contacts hence deteoriation of contactors. This raises
another methods for arc quenching.. so for medium voltages
currents upto 3000A VCB's have longer life and better
operability.
| Is This Answer Correct ? | 7 Yes | 2 No |
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