A 3 phase 140 kV line with 43.715 cm of distance separation between the conductor so that corona takes place if the line voltage exceeds 250 kV (r.m.s.). If the value of potential gradient at which ionization occurs can be taken as 30 kV (max) per cm, and if the temperature is 40°C and atmospheric pressure is 76 cm, find the radius of the conductor.
A 3 phase 140 kV line with 43.715 cm of distance separation between the conductor so that corona takes place if the line voltage exceeds 250 kV (r.m.s.). If the value of potential gradient at which ionization occurs can be taken as 30 kV (max) per cm, and if the temperature is 40°C and atmospheric pressure is 76 cm, find the radius of the conductor.
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 3 phase 140 kV line with 43.715 cm of distance separation between the conductor so that corona takes place if the line voltage exceeds 250 kV (r.m.s.). If the value of potential gradient at which ionization occurs can be taken as 30 kV (max) per cm, and if the temperature is 40°C and atmospheric pressure is 76 cm, find the radius of the conductor.
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