Estimate the corona loss for a three-phase, 110 kV, 50 Hz, 150 km long transmission line consisting of three conductors each of 10 mm diameter and spaced 2.5 m apart in an equilateral triangle formation. The temperature of air is 40ºC and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0.89. Ionization of air may be assumed to take place at a maximum voltage gradient of 30 kV/cm
Estimate the corona loss for a three-phase, 110 kV, 50 Hz, 150 km long transmission line consisting of three conductors each of 10 mm diameter and spaced 2.5 m apart in an equilateral triangle formation. The temperature of air is 40ºC and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0.89. Ionization of air may be assumed to take place at a maximum voltage gradient of 30 kV/cm
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 4.37MCQ
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Estimate the corona loss for a three-phase, 110 kV, 50 Hz, 150 km long transmission line
consisting of three conductors each of 10 mm diameter and spaced 2.5 m apart in an equilateral triangle formation. The temperature of air is 40ºC and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0.89. Ionization of air may be assumed to take place at a
maximum voltage gradient of 30 kV/cm.
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