Determine the Symmetrical Components of the Following Line Currents: (A) $I_{a}=10 \angle 90^{\circ}$

Essay

Determine the symmetrical components of the following line currents: (a) $I_{a}=10 \angle 90^{\circ}$ , $I_{b}=10 \angle 340^{\circ}, I_{c}=10 \angle 200^{\circ} \mathrm{A}$ ; (b) $I_{a}=100, I_{b}=j 100, I_{c}=0 \mathrm{~A}$ .