Electrical Engineering · Transmission and Distribution
A common cause of flashover failure in overhead transmission line insulators is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High wind velocity in open terrains
- 2Low ambient temperature during winter
- 3Excessive humidity and pollution deposit leading to leakage currents✓
- 4Presence of bird nests on the insulator cross-arms
Correct answer
Excessive humidity and pollution deposit leading to leakage currents
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