Physics · Power System Protection
Which of the following events occur in sequence when the current in a power system circuit increases to a faulty maximum value, triggering an overcurrent relay? A. Heavy current flows through the relay coil B. The relay closes the trip circuit of the breaker C. The circuit breaker isolates the faulty section from the rest of the system
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only A and B
- 2Only B and C
- 3A, B, and C✓
- 4Only A and C
Correct answer
A, B, and C
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