In a balanced D-connected load the phase current and phase impedance are IP 12Arms and ZD

In a balanced D-connected load the phase current and phase impedance are IP ¼ 12AðrmsÞ and ZD ¼

200ff60

V=phase. Using ffVAN ¼ 0 as the phase reference, find the line current IA and line voltage VAB for a positive phase sequence.