Electrical Engineering · Switchgear and Protection
What happens inside an HRC (High Rupturing Capacity) fuse when a fault current flows through it?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The fuse element melts and arcs are formed, which are quenched by the filling powder.✓
- 2The fuse generates a counter-voltage to cancel the fault.
- 3The quartz sand conducts and absorbs the entire current.
- 4The fuse cools the circuit system.
Correct answer
The fuse element melts and arcs are formed, which are quenched by the filling powder.
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