Physics · Power System Protection
Which type of relay operates when the phase difference or vector difference of two or more similar electrical quantities exceeds a predetermined value?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Differential relay✓
- 2Time distance impedance relay
- 3Distance type impedance relay
- 4Directional overcurrent relay
Correct answer
Differential relay
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