A 3-phase line has conductors 2 cm in diameter spaced equilaterally 1 m apart. If the dielectric strength of air is 30 kV (max) per cm, find the disruptive critical voltage for the line. Take air density factor δ = 0.952 and irregularity factor m = 0.9.

A 3-phase line has conductors 2 cm in diameter spaced equilaterally 1 m apart. If the dielectric strength of air is 30 kV (max) per cm, find the disruptive critical voltage for the line. Take air density factor δ = 0.952 and irregularity factor m = 0.9.

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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Question

A 3-phase line has conductors 2 cm in diameter spaced equilaterally 1 m
apart. If the dielectric strength of air is 30 kV (max) per cm, find the
disruptive critical voltage for the line. Take air density factor δ = 0.952 and
irregularity factor m = 0.9.

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