A balanced Y-connected load having an impedance of 60 – j45 Ω>f is connected in parallel with a balanced ∆-connected load having an impedance of 90/45° Ω>
. The paralleled loads are fed from a line having an impedance of 2 + j2 Ω>
. The magnitude of the line-to-line voltage of the ∆-load is 300 23 V.
a) Calculate the magnitude of the phase current in the Y-connected load.
b) Calculate the magnitude of the phase current in the ∆-connected load.
c) Calculate the magnitude of the current in the line feeding the loads. d) Calculate the magnitude of the line voltage at the sending end of the line.