A 60-Hz, 230-km, three-phase overhead transmission line has a series impedance z = 0.8431/79.04° N/km and a shunt admittance y= 5.105 × 10-6/90° S/km. The load at the receiving end is 125 MW at unity power factor and at 215 kV. Determine the voltage, current, 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.

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A 60-Hz, 230-km, three-phase overhead transmission line has a series impedance
z = 0.8431/79.04° Q/km and a shunt admittance y = 5.105 × 10-6/90° S/km. The
load at the receiving end is 125 MW at unity power factor and at 215 kV. Determine
the voltage, current, 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.
(Kindly do not copy-paste answer from any other source. Kindly answer as asked in
the question. Kindly show detailed steps, workings and provide explanantions for
your answer. If you are confused about showing detailed steps, workings and
providing explanations, then kindly skip the question and leave it for someone else.)
Transcribed Image Text:A 60-Hz, 230-km, three-phase overhead transmission line has a series impedance z = 0.8431/79.04° Q/km and a shunt admittance y = 5.105 × 10-6/90° S/km. The load at the receiving end is 125 MW at unity power factor and at 215 kV. Determine the voltage, current, 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. (Kindly do not copy-paste answer from any other source. Kindly answer as asked in the question. Kindly show detailed steps, workings and provide explanantions for your answer. If you are confused about showing detailed steps, workings and providing explanations, then kindly skip the question and leave it for someone else.)
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