In a balanced three-phase wye-wye system, the load impedance is 10 +j1 Ohms. The source has phase sequence abc and the line voltage Vab = 220 Vrms /30°. The load voltage is
VAN = 120 Vrms /0°.
Numerical solution: b) IaA = 11.9 Arms / -6°
a) Draw the a-phase equivalent circuit, label the nodes, and label all known quantities. Label the line current variable.
b) Determine the line currents.
c) Determine the line impedance.