The three-phase power and line-line ratings of the electric power system shown in Figure 1 are...
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The three-phase power and line-line ratings of the electric power system shown in Figure 1 are given in the table below. BE Figure 1: One-line diagram for question 1 (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose 20 kV as the voltage base for generator. (b) Determine the actual value of the current supplied by the generator. G1 BE T₁ Line Load 1 G₁- T₁ - T₂ Line Load 2 Load 1 Load 2 90 MVA 20 kV X-9% 80 MVA 20/200 kV X-15% 80 MVA 200/18 kV X=20% 200 kV Z-11200 18 KV 18 kV S=24 MW +18 Mvar Zu-30-1400 4.00 659 The three-phase power and line-line ratings of the electric power system shown in Figure 1 are given in the table below. BE Figure 1: One-line diagram for question 1 (a) Draw an impedance diagram showing all impedances in per unit on a 100-MVA base. Choose 20 kV as the voltage base for generator. (b) Determine the actual value of the current supplied by the generator. G1 BE T₁ Line Load 1 G₁- T₁ - T₂ Line Load 2 Load 1 Load 2 90 MVA 20 kV X-9% 80 MVA 20/200 kV X-15% 80 MVA 200/18 kV X=20% 200 kV Z-11200 18 KV 18 kV S=24 MW +18 Mvar Zu-30-1400 4.00 659
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