In a balanced three-phase system, the source has an abc-phase sequence and is connected in delta. There are two loads connected in parallel. The line connecting the source to the loads has an impedance of . Load 1 is connected in wye and the phase impedance is . Load 2 is connected in delta, and the phase impedance is . The current IAB in the delta load is 16<45o A rms. Find the phase voltages of the source.
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