Short-Circuits in AC and DC Systems : ANSI, IEEE, and IEC Standards book cover
1st Edition

Short-Circuits in AC and DC Systems
ANSI, IEEE, and IEC Standards

ISBN 9781498745413
Published October 19, 2017 by CRC Press
725 Pages

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Book Description

This book provides an understanding of the nature of short-circuit currents, current interruption theories, circuit breaker types, calculations according to ANSI/IEEE and IEC standards, theoretical and practical basis of short-circuit current sources, and the rating structure of switching devices. The book aims to explain the nature of short-circuit currents, the symmetrical components for unsymmetrical faults, and matrix methods of solutions, which are invariably used on digital computers. It includes innovations, worked examples, case studies, and solved problems.

Table of Contents

1. Design and Analyses Concepts of Power Systems

2. Modern Electrical Power Systems

3. Wind and Solar Power Generation and Interconnections with Utility

4. Short-Circuit Currents and Symmetrical Components

5. Unsymmetrical Fault Calculations

6. Matrix Methods for Network Solutions

7. Current Interruptions in AC Networks

8. Application and Ratings of Circuit Breakers and Fuses according to ANSI Standards

9. Short Circuit of Synchronous and Induction Machines and Converters

10. Short-Circuit Calculations according to ANSI Standards

11. Short-Circuit Calculations according to IEC Standards

12. Calculations of Short-Circuit Currents in Direct Current Systems

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Dr. J.C. Das is currently the President of Power System Studies, Inc. Snellville, USA. He headed the Electrical Power Systems Analysis Department at AMEC Inc., (now AMEC Foster Wheeler, Inc.) Tucker, GA, USA, for the last 30 years. He has varied experience in the utility industry, industrial establishments, hydroelectric generation, and atomic energy. He is responsible for power system studies, including short-circuit, load flow, harmonics, stability, arc-flash hazard, grounding, switching transients, EMTP simulations, and protective relaying. He conducts courses for continuing education in power systems and has authored or coauthored approximately 65 technical publications, six textbooks, and over 7,000 total published pages.


"This handy reference book provides essential details, both theoretical and practical, on short-circuit calculations for power transmission and distribution systems. It would be especially useful for practicing power engineers who need a good refence book for calculating short-circuits in power systems as well as those in academia studying power system analysis."
-IEEE Electrical Insulation Magazine, January/February — Vol. 36, No. 1

"This handbook is an excellent book which is filled not only with practical wisdom for all of practicing engineers to use as one of their references but also with theoretical depth for all of academia (senior and postgraduate levels) to gain in-depth knowledge of modern power systems in real world situations. An Excellent contribution."
Tek Tjing Lie, Auckland University of Technology, New Zealand

"This book provides a good balance among theoretical, practical, fundamental and advanced analyses. Consequently, this book can be useful for students as well as senior researchers and engineers. The examples discuss from basic problems to advanced applications. The inclusion of DC systems is also very timely, as the interest surrounding these systems has increased recently. These characteristics make this book relevant and valuable."
Walmir Freitas, University of Campinas, Brazil

"The book provides a comprehensive and in-depth treatment to the analysis and computation of common short-circuit faults in modern power systems. Not only it brings together theoretical and practical aspects of short-circuit analysis but also present it in a lucid manner. The book elucidates ANSI and IEC short-circuit calculation methods through illustrative examples. It is clearly an outstanding and great resource for college students and power engineers in understanding short-circuit analysis and standard calculation methods."
Surya Santoso, The University of Texas at Austin

"Short-Circuits in AC and DC Systems: ANSI, IEEE, and IEC Standards contains all essential material to understand the nature of short-circuit currents, the symmetrical components for unsymmetrical faults, and matrix methods of solutions that are used on digital computers. It also covers the methodology of short-circuit calculations using both ANSI/IEEE and IEC standards, thus making it useful for both sides of the Atlantic. The conceptual and analytical differences in the calculations between the two standards are illustrated with many practical examples. I am deeply convinced that the approach and selection of topics for this volume is appropriate for practicing electrical power systems engineers or professionals-in-training."
—Dimitris P. Labridis, Aristotle University of Thessaloniki, Greece