3.17. The one-line diagram of a three-phase power system is as shown in Figure 3.36. The transformer reactance is 20 percent on a base of 100 MVA, 23/115 kV and the line impedance is Z = j66.1252. The load at bus 2 is S₂ = 184.8 MW+j6.6 Mvar, and at bus 3 is S3 = 0 MW +220 Mvar. It is required to hold the voltage at bus 3 at 115/0° kV. Working in per-unit, determine the voltage at buses 2 and 1. V₁ "J's V₂: S₂ 23 VV VV j66.125 FIGURE 3.36 One-line diagram for Problem 3.17 V3 S3

3.17. The one-line diagram of a three-phase power system is as shown in Figure 3.36. The transformer reactance is 20 percent on a base of 100 MVA, 23/115 kV and the line impedance is Z = j66.1252. The load at bus 2 is S₂ = 184.8 MW+j6.6 Mvar, and at bus 3 is S3 = 0 MW +220 Mvar. It is required to hold the voltage at bus 3 at 115/0° kV. Working in per-unit, determine the voltage at buses 2 and 1. V₁ "J's V₂: S₂ 23 VV VV j66.125 FIGURE 3.36 One-line diagram for Problem 3.17 V3 S3

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

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