Each of three insulators forming a string has self-capacitance of "C" farad. each cap of insulator is 0-25 C to earth and 0-15 C to line. Calculate the voltag insulator as a pecentage of line voltage to earth and the string efficiency.

Each of three insulators forming a string has self-capacitance of "C" farad. each cap of insulator is 0-25 C to earth and 0-15 C to line. Calculate the voltag insulator as a pecentage of line voltage to earth and the string efficiency.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 10RQ: In reference to the load, how are capacitors connected to help prevent voltage spikes and surges?...

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7. Each of three insulators forming a string has self-capacitance of "C farad. The shunt capacitance of
each cap of msulator is 0 25 C to earth and 0-15 C to line. Calculate the voltage distribution across each
insulator as a pecentage of line voltage to earth and the string efficiency.

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