02. 30, 220 kv, 50 Hz, 115 km long transmission line consisting of three conductors each of 20 mm diameter and spaced 1-5 mapart in an equilateral triangle formation. The temperature of air is 40°C and the atmospheric pressure is 600 mm of mercury. Take irregularity factor as 0-9. lonization of air may be assumed to take place at a maximum voltage gradient of 30 kV/ cm. Estimate 1. Critical disruptive voltage 2. Visual critical Valtage 3. Power loss due to corona

02. 30, 220 kv, 50 Hz, 115 km long transmission line consisting of three conductors each of 20 mm diameter and spaced 1-5 mapart in an equilateral triangle formation. The temperature of air is 40°C and the atmospheric pressure is 600 mm of mercury. Take irregularity factor as 0-9. lonization of air may be assumed to take place at a maximum voltage gradient of 30 kV/ cm. Estimate 1. Critical disruptive voltage 2. Visual critical Valtage 3. Power loss due to corona

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 4.23P

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