4. Find the per unit value for each component and draw the impedance diagram. Y Generator 10 kV 100 MVA Zgenerator=0.1+j0.82 Transmission line 20 kV 200 MVA Zime=0.5+j2.02 Y-A Transformer 1 10/20 kV 150 MVA Zwansformer1=0.2+j1.02 (referred to 10 kV side) A-Y Transformer 2 10/20 kV 150 MVA Ztransformer2 0.2+j1.022 (referred to 10 kV side) Y Load 10 kV Zload 0.2+j3.02

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 2.31MCQ: One advantage of balanced three-phase systems over separate singlephase systems is reduced capital...
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4. Find the per unit value for each component and draw the impedance diagram.
Y
Generator
10 kV
100 MVA
Z generator
x=0.1+j0.8 Ω
Transmission line
20 kV
200 MVA
Zline=0.5+j2.02
Y-A
Transformer 1
10/20 kV
150 MVA
Zransformer1=0.2+j1.0 22
(referred to 10 kV side)
A-Y
Transformer 2
10/20 kV
150 MVA
Ztransformer2=0.2+j1.02
(referred to 10 kV side)
Y
Load
10 kV
Zload 0.2+j3.02
Transcribed Image Text:4. Find the per unit value for each component and draw the impedance diagram. Y Generator 10 kV 100 MVA Z generator x=0.1+j0.8 Ω Transmission line 20 kV 200 MVA Zline=0.5+j2.02 Y-A Transformer 1 10/20 kV 150 MVA Zransformer1=0.2+j1.0 22 (referred to 10 kV side) A-Y Transformer 2 10/20 kV 150 MVA Ztransformer2=0.2+j1.02 (referred to 10 kV side) Y Load 10 kV Zload 0.2+j3.02
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