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 3.26P: A bank of three single-phase transformers, each rated 30MVA,38.1/3.81kV, are connected in Y- with a...
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e6efb2b-e70b-4600-b264-a2036af82bef%2Fa6128fd9-4021-4791-a2bb-8f8f0b9d714e%2Fmxschd_processed.jpeg&w=3840&q=75)
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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