Draw an impedance diagram for the electric power system in Fig. 2 showing all impedance in per unit on a 100 MVA base. Choose 20 kV as the voltage base for generator. The three phase power and line-line ratings are given below. G1 : 90 MVA 20 kV T1 : 80 MVA 80 MVA 90 MVA T2 : G2 : Line Load 20/200 kv 200/20 kV 18 kV 200 kV 200 kV G T1 X = 9% X = 16% X = 20% X = 9% X = 120 Q S = 48 MW + j64 MVAr ODLO Line Load Fig. 2 2 T2 M