(Solved): The conductor configuration of a bundled single-phase overhead transmission line is shown in Figure ...

The conductor configuration of a bundled single-phase overhead transmission line is shown in Figure 1. Line $X$ has its three conductors situated at the corners of an equilateral triangle with 10 $\mathrm{cm}$ spacing. Line $\mathrm{Y}$ has its three conductors arranged in a horizontal configuration with $10\mathrm{cm}$ spacing. All conductors are identical, solid-cylindrical conductors, each with a radius of $2\mathrm{cm}$. Figure 1. Conductor configuration of the single-phase transmission line Find the inductive reactances of both lines in per unit when each is 60 miles long, rated at $300\mathrm{kV},50\mathrm{Hz}$, considering a system base of $100\mathrm{MVA}$.