The single line diagram for a sample power system is as given in Fig.1. Draw a per unit reactance diagram. The ratings of the power system components are as follows: : 20 MVA, 10.5 kV, X" = 0.1 pu : 15 MVA, 6.2 kV, X" = 0.15 pu Transformer T1, T4 (36) : 30 MVA, 66/11 kV, X= 0.2 pu Transformer T2, T; (30) : 20 MVA, 66/6.6 kV, X = 0.15 pu Generator, G1 Generator, G2 Sync. Motor, M1 :15 MVA, 6.6 kV, X" = 0.15 pu Sync. Motor, M2 : 15 MVA, 11 kV, X" = 0.2 pu Consider a base of 100 MVA, 66 kV in the (30+ j100) n transmission line. TI T3 30 +j 100 2 G1 MI 15 +j 50 2 15 +j 50 12 T2 T4 G2 M2

The single line diagram for a sample power system is as given in Fig.1. Draw a per unit reactance diagram. The ratings of the power system components are as follows: : 20 MVA, 10.5 kV, X" = 0.1 pu : 15 MVA, 6.2 kV, X" = 0.15 pu Transformer T1, T4 (36) : 30 MVA, 66/11 kV, X= 0.2 pu Transformer T2, T; (30) : 20 MVA, 66/6.6 kV, X = 0.15 pu Generator, G1 Generator, G2 Sync. Motor, M1 :15 MVA, 6.6 kV, X" = 0.15 pu Sync. Motor, M2 : 15 MVA, 11 kV, X" = 0.2 pu Consider a base of 100 MVA, 66 kV in the (30+ j100) n transmission line. TI T3 30 +j 100 2 G1 MI 15 +j 50 2 15 +j 50 12 T2 T4 G2 M2

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.52P

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