The safety
factor of insulator is defined as ratio of
Flash over
voltage to puncture voltage
Puncture voltage to flash over voltage
Current to voltage
Current to
power
Puncture voltage to flash over voltage
The safety factor
of insulators is defined as the ratio of puncture voltage to flash over
voltage. It is desirable to have high value of safety factor so that flash over
takes place before the insulator gets punctured. For pin type insulators, the
value of safety factor is about 10.
Hence, the
correct option is (B).
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