Example 8.3. Each line of a 3-phase system is suspended by a string of 3 similar insulators. If he voltage across the line unit is 17-5 kV, calculate the line to neutral voltage. Assume that the shunt apacitance betwen each insulator and earth is 1/8th of the capacitance of the insulator itself. Also nd the string efficiency.

Example 8.3. Each line of a 3-phase system is suspended by a string of 3 similar insulators. If he voltage across the line unit is 17-5 kV, calculate the line to neutral voltage. Assume that the shunt apacitance betwen each insulator and earth is 1/8th of the capacitance of the insulator itself. Also nd the string efficiency.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.27P

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