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A balanced ?-connected load has an impedance of 60+ j45 ? per phase. The load is...

A balanced ?-connected load has an impedance of 60+ j45 ? per phase. The load is fed through a line having an impedance of 0.8+ j0.6 ? per line. The phase voltage at the terminals of the load is ???????? = 480 ?? . The sequence is positive. Use AB v as the reference at the load. The source is required to be calculated for either Wye or Delta connection. a) Draw the 3-phase system b) Draw the a-phase equivalent circuit c) Calculate the three phase currents of the load d) Calculate the three line currents e) Calculate the three line voltages at the source

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