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 30 °C and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0.85. lonisation of air may be assumed to take place at a maximum voltage gradient of 30 kV/

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 30 °C and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0.85. lonisation of air may be assumed to take place at a maximum voltage gradient of 30 kV/

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Q1. 30, 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 30ºC and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0-85. Ilonization 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 Voltage 3. Power loss due to corona
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Q1. 30, 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 30°C and the atmospheric pressure is 750 mm of mercury. Take irregularity factor as 0-85. Ionization 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 Voltage 3. Power loss due to corona
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