(Solved):
For the balanced three phase circuit shown calculate \( \mathbf{I}_{1}, \mathbf{I}_{2} \) ...
For the balanced three phase circuit shown calculate \( \mathbf{I}_{1}, \mathbf{I}_{2} \) and the total supply active power, if \( \quad Z_{1}=9+J 9 \mid \quad Z_{2}=1+j 2 \) and \( Z_{3}=10-\mathrm{j} 10 \).