Physics · Power System Protection
What is the basic principle of distance protection in transmission lines?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It monitors current flow only.
- 2It calculates the impedance between the relay location and the fault point.✓
- 3It measures the time taken by a fault wave to reach the relay.
- 4It measures the temperature of the conductor.
Correct answer
It calculates the impedance between the relay location and the fault point.
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