Physics · Electrical Switchgear
What is meant by the 'rated peak short-circuit current' of an isolator?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The maximum current that the isolator can handle during normal operation
- 2The maximum current that the isolator can handle during a lightning strike
- 3The maximum instantaneous current that the isolator can withstand in the closed position during a short-circuit fault✓
- 4The maximum current that the isolator can handle during a power swing
Correct answer
The maximum instantaneous current that the isolator can withstand in the closed position during a short-circuit fault
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