Q2. Consider the single-line diagram of the power system shown in Figure Q2. Equipment ratings are: Generator 1: Generator 2: 1000 MVA, 18 kV, X"= 0.2 pu 1000 MVA, 18 kV, X"=0.2 pu 1500 MVA, 20 kV, X"= 0.2 pu Synchronous motor 3: Three-phase A-Y transformers T1, T2, T3, T4: 1000 MVA, 500 kV Y/20 kV A, X= 0.1pu Three-phase Y-Y transformer T5: 1500 MVA, 500 kV Y/20 kV Y,X=0.1pu Neglecting resistance, transformer phase shift, and magnetizing reactance, draw the equivalent reactance diagram. Use a base of 100 MVA and 500 kV for the 50-ohm line. Determine the per-unit reactance. 1 농어 A Fig Q2 380- T₁ T3 38 A 1 25 2 3 150 Ω Is j20 A 2 1080 T₂ T₂ 보호 киш

Q2. Consider the single-line diagram of the power system shown in Figure Q2. Equipment ratings are: Generator 1: Generator 2: 1000 MVA, 18 kV, X"= 0.2 pu 1000 MVA, 18 kV, X"=0.2 pu 1500 MVA, 20 kV, X"= 0.2 pu Synchronous motor 3: Three-phase A-Y transformers T1, T2, T3, T4: 1000 MVA, 500 kV Y/20 kV A, X= 0.1pu Three-phase Y-Y transformer T5: 1500 MVA, 500 kV Y/20 kV Y,X=0.1pu Neglecting resistance, transformer phase shift, and magnetizing reactance, draw the equivalent reactance diagram. Use a base of 100 MVA and 500 kV for the 50-ohm line. Determine the per-unit reactance. 1 농어 A Fig Q2 380- T₁ T3 38 A 1 25 2 3 150 Ω Is j20 A 2 1080 T₂ T₂ 보호 киш

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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Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

100%

Q2. Consider the single-line diagram of the power system shown in Figure Q2. Equipment ratings
are:
1000 MVA, 18 kV, X"= 0.2 pu
1000 MVA, 18 kV, X"=0.2 pu
1500 MVA, 20 kV, X"= 0.2 pu
Generator 1:
Generator 2:
Synchronous motor 3:
Three-phase A-Y transformers T1, T2, T3, T4: 1000 MVA, 500 kV Y/20 kV A, X= 0.1pu
Three-phase Y-Y transformer T5:
1500 MVA, 500 kV Y/20 kV Y,X=0.1pu
Neglecting resistance, transformer phase shift, and magnetizing reactance, draw the equivalent
reactance diagram. Use a base of 100 MVA and 500 kV for the 50-ohm line. Determine the per-unit
reactance.
1
농어
A
Fig Q2
380-
T₁
T3
E
j 25 Ω
150 Ω
Y T₁
3
j20
A 2
FORED
T₂
T₂
보호
киш

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