Problem $2$ The balanced source and load have Y$-$Y connection, tilde$(V{)}_{an}=\frac{240}{{?}_0}(V_{rms}).$ In each phase the three related impedances are: $Z_g=0\mathrm{.}05+j0\mathrm{.}2(),Z_{Ln}=0\mathrm{.}1+j0\mathrm{.}7(),Z_A=Z_B=Z_C=0\mathrm{.}8+j1\mathrm{.}2().$

$2$A$)$ Find the line currents $(I_{aA},I_{bB},I_{cC})$ in phasor format.

$2$B$)$ Find the average power P of the three$-$phase load.