Electrical Engineering · Insulators and Dielectrics
Select the option that does NOT represent a desirable property of an overhead line insulator.
- 1It should have high mechanical strength to bear conductor and wind loads.
- 2It should have high electrical resistance to avoid leakage currents to the earth.
- 3It should have very low relative permittivity to ensure high dielectric strength.✓
- 4It should have high puncture strength and flashover ratio.
Correct answer
It should have very low relative permittivity to ensure high dielectric strength.
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