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A three-phase overhead transmission line is 300-km long, 60-Hz, the ABCD constants of the transmission line...

A three-phase overhead transmission line is 300-km long, 60-Hz, the ABCD constants of the
transmission line are:
A = D = 0.9313∠0.209°
B = 97.0 ∠87.2°
C = j1.37 * 10-3
Assume a 266.1-Ω surge impedance, a 5000 km wavelength, and VS = VR = 765 kV. Neglecting
line losses, find the following:
a) The phase change constant;
b) Surge Impedance Loading

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