Calculate the capacitance-to-neutral in \(\mathrm{F} / \mathrm{m}\) and the admittance-to-neutral in S/km for the three-phase line in Problem 4.10. Neglect the effect of the earth plane.

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 \(\Omega / \mathrm{km}\).