X = 9% X-16% X=20% X = 9% X=120 Ω S 48 MW +j64 Mvar 1 90 MVA 20 kV 80 MVA 20/200kV T2: 80 MVA 200 20 kV G90 MVA 18 kV Line: Load 200 kV 200 kV Τι T2 Line Load
Draw an impedance diagram for the electric power system shown in the figure attached, showing all impedances in per unit on a 100-MVA base. Choose 20kV as the voltage base for generator. The three-phase power and line-line ratings are given in the figure attached.
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X = 9% X-16% X=20% X = 9% X=120 Ω S 48 MW +j64 Mvar 1 90 MVA 20 kV 80 MVA 20/200kV T2: 80 MVA 200 20 kV G90 MVA 18 kV Line: Load 200 kV 200 kV Τι T2 Line Load
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