A 132kV line with 1.956 cm diameter with 1.21 meter spacing between the polished conductors conductors. If the value of potential gradient at which ionization occurs cab be taken as 32kV (Max) per cm and air density factor = 0.91. The visual disruptive voltage is : a. 77KV/phase b. 87kV/phase c. 97kV/phase d. 67kV/phase

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
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.4P: One thousand circular mils or 1 kcmil is sometimes designated by the abbreviation MCM75C. Data for...
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A 132kV line with 1.956 cm diameter with 1.21
meter spacing between the polished
conductors conductors. If the value of potential
gradient at which ionization occurs cab be
taken as 32kV (Max) per cm and air density
factor = 0.91. The visual disruptive voltage is :
a. 77KV/phase
b. 87kV/phase
c. 97kV/phase
d. 67kV/phase
Transcribed Image Text:A 132kV line with 1.956 cm diameter with 1.21 meter spacing between the polished conductors conductors. If the value of potential gradient at which ionization occurs cab be taken as 32kV (Max) per cm and air density factor = 0.91. The visual disruptive voltage is : a. 77KV/phase b. 87kV/phase c. 97kV/phase d. 67kV/phase
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