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A three-phase line has an impedance of 1 + j3 Ω per phase. The line feeds...

A three-phase line has an impedance of 1 + j3 Ω per phase. The line feeds a balanced delta-connected load, which absorbs a total complex power of 12 + j5 kVA. The line voltage at the load end has a magnitude of 300 V.

Calculate the magnitude of the line voltage at the source end.The magnitude of the line voltage at the source end is ____ V.

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