Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
2. The one-line diagram of a power system is shown in the figure. The three-phase power and line-line ratings are given below: Generator 1: 50 MVA, 22 kV, X = 24% Generator 2: 50 MVA, 22 kV, X = 24% Synchronous Motor: 15 MVA, 4.4 kV, X = 22.5% Transformer 1: 40 MVA, 110Y/22A kV, X = 6.4% Transformer 2: 40 MVA, 110Y/22A kV, X =6.4% 3-ph load: Delta connected, 18+ j24 0 per phase www ww The three-phase ratings of the three-winding transformer T3 are: Primary: Secondary: Y-connected Tertiary: 80 MVA, 110 kV 60 MVA, 22 kV 20 MVA, 4.4 kV Y-connected Y-connected Neglecting resistance, the leakage impedances are: Zp, = 9.6% on 80 MVA, 110 kV Zpi = 7.2% on 80 MVA, 110 kV Zu = 10% on 60 MVA, 22 kV Choose as base 100 MVA, 20 kV in the generator 1 circuit. Draw the complete per- unit impedance/reactance diagram.

2. The one-line diagram of a power system is shown in the figure. The three-phase power and line-line ratings are given below: Generator 1: 50 MVA, 22 kV, X = 24% Generator 2: 50 MVA, 22 kV, X = 24% Synchronous Motor: 15 MVA, 4.4 kV, X = 22.5% Transformer 1: 40 MVA, 110Y/22A kV, X = 6.4% Transformer 2: 40 MVA, 110Y/22A kV, X =6.4% 3-ph load: Delta connected, 18+ j24 0 per phase www ww The three-phase ratings of the three-winding transformer T3 are: Primary: Secondary: Y-connected Tertiary: 80 MVA, 110 kV 60 MVA, 22 kV 20 MVA, 4.4 kV Y-connected Y-connected Neglecting resistance, the leakage impedances are: Zp, = 9.6% on 80 MVA, 110 kV Zpi = 7.2% on 80 MVA, 110 kV Zu = 10% on 60 MVA, 22 kV Choose as base 100 MVA, 20 kV in the generator 1 circuit. Draw the complete per- unit impedance/reactance diagram.

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...
See similar textbooks
icon
Related questions
Question
2. The one-line diagram of a power system is shown in the figure. The three-phase power and line-line ratings are given below: Generator 1:50 MVA, 22 kV, X = 24% Generator 2:50 MVA, 22 kV, X = 24% Synchronous Motor: 15 MVA, 4.4 kV, X = 22.5% Transformer 1:40 MVA, 110Y/22A kV, X = 6.4% Transformer 2:40 MVA, 110Y/22A kV, X=6.4% 3-ph load: Delta connected, 18+ j24 0 per phase ww ww. The three-phase ratings of the three-winding transformer T3 are: Primary: Secondary: Tertiary: Y-connected Y-connected Y-connected 80 MVA, 110 kV 60 MVA, 22 kV 20 MVA, 4.4 kV Neglecting resistance, the leakage impedances are: Zps = 9.6% on 80 MVA, 110 kV Zpi = 7.2% on 80 MVA, 110 kV Z = 10% on 60 MVA, 22 kV Choose as base 100 MVA, 20 kV in the generator 1 circuit. Draw the complete per- unit impedance/reactance diagram. Line 1 Line 2 G2 i 42.35 a j 42.35 a T2 3-ph load
Transcribed Image Text:2. The one-line diagram of a power system is shown in the figure. The three-phase power and line-line ratings are given below: Generator 1:50 MVA, 22 kV, X = 24% Generator 2:50 MVA, 22 kV, X = 24% Synchronous Motor: 15 MVA, 4.4 kV, X = 22.5% Transformer 1:40 MVA, 110Y/22A kV, X = 6.4% Transformer 2:40 MVA, 110Y/22A kV, X=6.4% 3-ph load: Delta connected, 18+ j24 0 per phase ww ww. The three-phase ratings of the three-winding transformer T3 are: Primary: Secondary: Tertiary: Y-connected Y-connected Y-connected 80 MVA, 110 kV 60 MVA, 22 kV 20 MVA, 4.4 kV Neglecting resistance, the leakage impedances are: Zps = 9.6% on 80 MVA, 110 kV Zpi = 7.2% on 80 MVA, 110 kV Z = 10% on 60 MVA, 22 kV Choose as base 100 MVA, 20 kV in the generator 1 circuit. Draw the complete per- unit impedance/reactance diagram. Line 1 Line 2 G2 i 42.35 a j 42.35 a T2 3-ph load
Expert Solution
steps

Step by step

Solved in 7 steps with 7 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS