Question: In a balanced three-phase wye-wye system the load impedance is . The source has phase sequence abc and the line voltage Vab=220 <30o V rms.

In a balanced three-phase wye-wye system the load impedance is . The source has phase sequence abc and the line voltage Vab=220<30o V rms. If the load voltage VAN= 120<0o V rms, determine the line impedance.

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