8. Each of the three insulators forming a string has a self capacitance of C farad The shunt capacitance ofeach insulator is 02C to earth and 0-1 C to line. A guard-ring increases the capacitance of line of themetal work of the lowest insulator to 0-3 C. Calculate the string efficiency of the arrangement:)with the guard ring. (7) without guard ring.10 95% () 86 13%|

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Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

8. Each of the three insulators forming a string has a self capacitance of C farad The shunt capacitance of
each insulator is 02C to earth and 0-1 C to line. A guard-ring increases the capacitance of line of the
metal work of the lowest insulator to 0-3 C. Calculate the string efficiency of the arrangement:
)with the guard ring. (7) without guard ring.
10 95% () 86 13%|

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