Electrical Engineering · Power System Protection
A distance relay is a protective relay whose operation is based on the measurement of:
- 1The physical length of the feeder
- 2The line-of-sight distance of the load center from the station
- 3Impedance, reactance, or admittance of the line✓
- 4The time delay between current waves
Correct answer
Impedance, reactance, or admittance of the line
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