Electrical Engineering · Power Systems
In oil circuit breakers, a longer pre-arcing time generally results in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Faster quenching of the arc.
- 2Higher arc voltage and reduced dielectric recovery.
- 3Increased contact wear and tear due to longer exposure to arcing.✓
- 4Reduced arcing energy and improved interruption.
Correct answer
Increased contact wear and tear due to longer exposure to arcing.
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