1. A 120-MVA, 20-kV generator is connected to a transformer. The generator has reactance of 19%, 28%, and 130% and time constants of Td" = 0.035 sec. Ta = 2.0 sec and TA= 0.2 sec. It is operating at no load and rated voltage when a three-phase short circuit occurs at the generator terminals. Calculate: A. The initial symmetrical rms fault current in kA. B. The Sustained rms fault current in kA.
1. A 120-MVA, 20-kV generator is connected to a transformer. The generator has reactance of 19%, 28%, and 130% and time constants of Td" = 0.035 sec. Ta = 2.0 sec and TA= 0.2 sec. It is operating at no load and rated voltage when a three-phase short circuit occurs at the generator terminals. Calculate: A. The initial symmetrical rms fault current in kA. B. The Sustained rms fault current in kA.
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...
Related questions
Question
![1. A 120-MVA, 20-kV generator is connected to a transformer. The generator has reactance of 19%,
28%, and 130% and time constants of Td" = 0.035 sec. Tď = 2.0 sec and TA= 0.2 sec. It is operating at
no load and rated voltage when a three-phase short circuit occurs at the generator terminals.
Calculate:
A. The initial symmetrical rms fault current in kA.
B. The Sustained rms fault current in kA.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F920a09c2-1ea9-4ef9-8d3b-787b51e4d17c%2Fb058b393-cd27-49ec-9255-c9b5ab3cf969%2Fjgsw9bp_processed.png&w=3840&q=75)
Transcribed Image Text:1. A 120-MVA, 20-kV generator is connected to a transformer. The generator has reactance of 19%,
28%, and 130% and time constants of Td" = 0.035 sec. Tď = 2.0 sec and TA= 0.2 sec. It is operating at
no load and rated voltage when a three-phase short circuit occurs at the generator terminals.
Calculate:
A. The initial symmetrical rms fault current in kA.
B. The Sustained rms fault current in kA.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Introductory Circuit Analysis (13th Edition)](https://www.bartleby.com/isbn_cover_images/9780133923605/9780133923605_smallCoverImage.gif)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
![Delmar's Standard Textbook Of Electricity](https://www.bartleby.com/isbn_cover_images/9781337900348/9781337900348_smallCoverImage.jpg)
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
![Programmable Logic Controllers](https://www.bartleby.com/isbn_cover_images/9780073373843/9780073373843_smallCoverImage.gif)
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
![Introductory Circuit Analysis (13th Edition)](https://www.bartleby.com/isbn_cover_images/9780133923605/9780133923605_smallCoverImage.gif)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
![Delmar's Standard Textbook Of Electricity](https://www.bartleby.com/isbn_cover_images/9781337900348/9781337900348_smallCoverImage.jpg)
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
![Programmable Logic Controllers](https://www.bartleby.com/isbn_cover_images/9780073373843/9780073373843_smallCoverImage.gif)
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
![Fundamentals of Electric Circuits](https://www.bartleby.com/isbn_cover_images/9780078028229/9780078028229_smallCoverImage.gif)
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
![Electric Circuits. (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780134746968/9780134746968_smallCoverImage.gif)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
![Engineering Electromagnetics](https://www.bartleby.com/isbn_cover_images/9780078028151/9780078028151_smallCoverImage.gif)
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,