Physics · Power Systems
Why is an effective grounding (earthing) grid system crucial in the safety design of an electrical substation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To allocate enough space for upcoming physical expansions and transformer replacements
- 2To protect operating personnel and passers-by from dangerous touch and step potentials during a short-circuit fault✓
- 3To shield substation control buildings from excessive ambient humidity and wind erosion
- 4To provide convenient mechanical access paths for regular maintenance crews
Correct answer
To protect operating personnel and passers-by from dangerous touch and step potentials during a short-circuit fault
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