Electrical Engineering · Power System Protection
What is the main reason for using backup protection in an electrical circuit protection system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To assist primarily in locating the circuit fault
- 2To increase the overall speed of protection operation
- 3To continue working when main protection fails in operation✓
- 4To completely eliminate any chance of system failure
Correct answer
To continue working when main protection fails in operation
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