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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

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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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 "J₁vv 23 VV V₂. S₂ VV j66.125 FIGURE 3.36 One-line diagram for Problem 3.17 V3 S3
Transcribed Image Text: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 "J₁vv 23 VV V₂. S₂ VV j66.125 FIGURE 3.36 One-line diagram for Problem 3.17 V3 S3
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