. A three-phase overhead transmission line is being supported by three-disc suspension insulators; the potentials across the first and second insulator from the top are 8 kV and 11 kV respectively. Calcualte (1) the line voltage (11) the ratio of capacitance between pin and earth to self capacitance of each unit (f)

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
Chapter6: Power Flows
Section: Chapter Questions
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9. A three-phase overhead transmission line is being supported by three-disc suspension insulators; the
potentials across the first and second insulator from the top are 8 kV and 11 kV respectively. Calcualte
() the line voltage (1) the ratio of capacitance between pin and earth to self capacitance of each unit (f)
the string efficiency.
() 64-28 V (if) 0-375 (iii) 68-28%]
Transcribed Image Text:9. A three-phase overhead transmission line is being supported by three-disc suspension insulators; the potentials across the first and second insulator from the top are 8 kV and 11 kV respectively. Calcualte () the line voltage (1) the ratio of capacitance between pin and earth to self capacitance of each unit (f) the string efficiency. () 64-28 V (if) 0-375 (iii) 68-28%]
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