2. Draw the reactance diagram for the power system shown in Figure 2. Neglect the resistance and use a base of 50 MVA and 13.8 kV on generator G1. G1: 20 MVA, 13.8 kV, X"= 20% G2 : 30 MVA, 18.0 kV, X"= 20% G3 :30 MVA, 20.0 kV, X"= 20% T1:25 MVA, 220/13.8 kV, X = 10% T2: 3 single phase unit each rated 10 MVA, 127/18 kV, X = 10% T3: 35 MVA, 220/22 kV, X = 10% Determine the new values of per unit reactance of G1, T1, transmission line 1,transmission line 2, T2, G2, T3 and G3. T, Line I Line 2 j80 2 j100 2 ele Vele G, Fig.2: One line diagram of the system

2. Draw the reactance diagram for the power system shown in Figure 2. Neglect the resistance and use a base of 50 MVA and 13.8 kV on generator G1. G1: 20 MVA, 13.8 kV, X"= 20% G2 : 30 MVA, 18.0 kV, X"= 20% G3 :30 MVA, 20.0 kV, X"= 20% T1:25 MVA, 220/13.8 kV, X = 10% T2: 3 single phase unit each rated 10 MVA, 127/18 kV, X = 10% T3: 35 MVA, 220/22 kV, X = 10% Determine the new values of per unit reactance of G1, T1, transmission line 1,transmission line 2, T2, G2, T3 and G3. T, Line I Line 2 j80 2 j100 2 ele Vele G, Fig.2: One line diagram of the system

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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