Q. No. 01 [CLO1-C3]: Draw an impedance diagram for the electric power system shown in Figure-1, showing all impedances 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: G : T : T2 : G2 : Line: X = 9% 80 MVA 20/200 kV X = 16% 80 MVA 200/20 kV X = 20% X = 9% X = 120 2 90 MVA 20 kV 90 MVA 18 kV 200 kV Load: 200 kV S = 48 MW +j64 Mvar T T2 2 Line G1 G2 Load

Q. No. 01 [CLO1-C3]: Draw an impedance diagram for the electric power system shown in Figure-1, showing all impedances 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: G : T : T2 : G2 : Line: X = 9% 80 MVA 20/200 kV X = 16% 80 MVA 200/20 kV X = 20% X = 9% X = 120 2 90 MVA 20 kV 90 MVA 18 kV 200 kV Load: 200 kV S = 48 MW +j64 Mvar T T2 2 Line G1 G2 Load

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.23P: Figure 3.32 shows the oneline diagram of a three-phase power system. By selecting a common base of...

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