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A 60-Hz short transmission line, having R = 0.62 ohms per phase and L = 93.24...

A 60-Hz short transmission line, having R = 0.62 ohms per phase and L = 93.24 millihenrys per phase, supply a three-phase, wye-connected 100 MW load of 0.9 lagging power factor at 215 kV line-to-line voltage. Calculate the sending-end voltage per phase. Determine the voltage regulation of the transmission line. Determine the efficiency of transmission of the transmission line.

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