Physics · Power Systems
Why are earthing systems provided in substations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To provide stray voltage to the substation
- 2To provide a high potential surface
- 3To provide a discharge path for lightning surge currents✓
- 4To provide the short circuit current
Correct answer
To provide a discharge path for lightning surge currents
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