The three phase line ratings of the electric power system shown in Figure 1 are given...

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The three phase line ratings of the electric power system shown in Figure 1 are given in Table 1. GI F XXX Transformer T1: Transformer T2: Transformer T3: 1 Generator G1 : 500MVA Generator G2 : 750 MVA 500 MVA 750 MVA 1000 MVA jso Load Each 500 KV line: X-502 j50 T2 G2 j50 Figure 1 Table 1 13.8 KV 18 KV 15/500 kV 500/20 kV 500/20 kV T3 www Zlat X=0.20 p.u X=0.18 p.u X = 0.12 pu X = 0.10 p.u X = 0.10 pu Z = 0.12 +0.36 a) Draw an impedance diagram showing all impedances in per unit on a 1000-MVA base, 19- kV base in the zone of generator G2. b) The terminal voltage of the load is 19kV. Determine the load current in per unit and in ampere unit. The three phase line ratings of the electric power system shown in Figure 1 are given in Table 1. GI F XXX Transformer T1: Transformer T2: Transformer T3: 1 Generator G1 : 500MVA Generator G2 : 750 MVA 500 MVA 750 MVA 1000 MVA jso Load Each 500 KV line: X-502 j50 T2 G2 j50 Figure 1 Table 1 13.8 KV 18 KV 15/500 kV 500/20 kV 500/20 kV T3 www Zlat X=0.20 p.u X=0.18 p.u X = 0.12 pu X = 0.10 p.u X = 0.10 pu Z = 0.12 +0.36 a) Draw an impedance diagram showing all impedances in per unit on a 1000-MVA base, 19- kV base in the zone of generator G2. b) The terminal voltage of the load is 19kV. Determine the load current in per unit and in ampere unit.