Rework Problem 4.10 if the phase spacing is (a) increased by (20 %) to (4.8 mathrm{ft}) or

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Rework Problem 4.10 if the phase spacing is

(a) increased by \(20 \%\) to \(4.8 \mathrm{ft}\) or

(b) decreased by \(20 \%\) to \(3.2 \mathrm{ft}\). Compare the results with those of Problem 4.10.

Problem 4.10

A \(60-\mathrm{Hz}\), three-phase three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 4-ft conductor spacing. The conductor diameter is \(0.5 \mathrm{in}\). Calculate the positive-sequence inductance in \(\mathrm{H} / \mathrm{m}\) and the positive-sequence inductive reactance in \(\Omega / \mathrm{km}\).

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Power System Analysis And Design

ISBN: 9781305632134

6th Edition

Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

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