11. A string insulator has 3 units. The capacitance from each joint to tower is 15% of the capacitance of each unit. It is desired that the voltage across any unit should not exceed 11 kV. Find the maximum voltage for which the string can be used.

11. A string insulator has 3 units. The capacitance from each joint to tower is 15% of the capacitance of each unit. It is desired that the voltage across any unit should not exceed 11 kV. Find the maximum voltage for which the string can be used.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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Question

11. A string insulator has 3 units. The capacitance from each joint to tower is 15%
of the capacitance of each unit. It is desired that the voltage across any unit
should not exceed 11 kV. Find the maximum voltage for which the string can
be used.

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