Example 6.2 Figure 6.5 shows the one-line diagram of a simple four-bus system. Table 6.1 gives the line impedances identified by the buses on which these terminate. The shunt admittance at all the buses is assumed negligible. (a) Find Yaus assuming that the line shown dotted is not connected. (b) What modifications need to be carried out in Yaus if the line shown dotted is connected. Fig. 65 Sample system for Example 6.2 Table 6.1 Line, bus to bus X, pu R, pu 1-2 0.05 0.15 1-3 0.10 0.30 2-3 0.15 0.45 on 0.30 0.15 2-4 0.10 3-4 0.05 Table 6.2 Line G, pu B, pu 1-2 2.0 -6.0 1-3 1.0 -3.0 2-3 0.666 -2.0 2-4 1.0 -3.0 3-4 2.0 -6.0
Example 6.2 Figure 6.5 shows the one-line diagram of a simple four-bus system. Table 6.1 gives the line impedances identified by the buses on which these terminate. The shunt admittance at all the buses is assumed negligible. (a) Find Yaus assuming that the line shown dotted is not connected. (b) What modifications need to be carried out in Yaus if the line shown dotted is connected. Fig. 65 Sample system for Example 6.2 Table 6.1 Line, bus to bus X, pu R, pu 1-2 0.05 0.15 1-3 0.10 0.30 2-3 0.15 0.45 on 0.30 0.15 2-4 0.10 3-4 0.05 Table 6.2 Line G, pu B, pu 1-2 2.0 -6.0 1-3 1.0 -3.0 2-3 0.666 -2.0 2-4 1.0 -3.0 3-4 2.0 -6.0
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 6.36P
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