Physics · Power System Protection
Which approach is adopted to deal with difficulties in the differential over-current protection of busbars that cause incorrect operation due to differences in the magnetic state of iron-cored current transformers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Frame leakage protection of fault bus
- 2Voltage differential protection (High impedance differential protection)✓
- 3Current balance differential protection
- 4Current graded protection
Correct answer
Voltage differential protection (High impedance differential protection)
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