Given the uncompensated line of Problem 5.18, let a three-phase shunt reactor (inductor) that compensates for \(70 \%\) of the total shunt admittance of the line be connected at the receiving end of the line during no-load conditions. Determine the effect of voltage regulation with the reactor connected at no load. Assume that the reactor is removed under full-load conditions.

Problem 5.18

A \(60-\mathrm{Hz}, 230-\) mile, three-phase overhead transmission line has a series impedance \(z=0.8431 \angle 79.04^{\circ} \Omega / \mathrm{mi}\) and a shunt admittance \(\gamma=5.105 \times\) \(10^{-6} / 90^{\circ} \mathrm{S} / \mathrm{mi}\). The load at the receiving end is \(125 \mathrm{MW}\) at unity power factor and at \(215 \mathrm{kV}\). Determine the voltage, current, and both real and reactive power at the sending end and the percent voltage regulation of the line. Also find the wavelength and velocity of propagation of the line.