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In a three phase 500 kV transmission line, diameter of the conductors are 48 mm. The breakdown strength of air under standard atmospheric conditions (in which pressure is 760 mm Hg and the temperature is 20°C) is 30 kV/cm We install this transmission line in a region with different atmospheric conditions in which air pressure is 705 mm Hg and the temperature is 50 °C, determine the minimum distance between two phases if the correction factor is k=0.92.

In a three phase 500 kV transmission line, diameter of the conductors are 48 mm. The breakdown strength of air under standard atmospheric conditions (in which pressure is 760 mm Hg and the temperature is 20°C) is 30 kV/cm We install this transmission line in a region with different atmospheric conditions in which air pressure is 705 mm Hg and the temperature is 50 °C, determine the minimum distance between two phases if the correction factor is k=0.92.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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High voltage system
In a three phase 500 kV transmission line, diameter of the conductors are 48 mm. The breakdown strength of air under standard atmospheric conditions (in which pressure is 760 mm Hg and the temperature is 200C) is 30 kV/cm We install this transmission line in a region with different atmospheric conditions in which air pressure is 705 mm Hg and the temperature is 50 °C, determine the minimum distance between two phases if the correction factor is k=0.92.
Transcribed Image Text:In a three phase 500 kV transmission line, diameter of the conductors are 48 mm. The breakdown strength of air under standard atmospheric conditions (in which pressure is 760 mm Hg and the temperature is 200C) is 30 kV/cm We install this transmission line in a region with different atmospheric conditions in which air pressure is 705 mm Hg and the temperature is 50 °C, determine the minimum distance between two phases if the correction factor is k=0.92.
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