Modern Power System Analysis  book cover
2nd Edition

Modern Power System Analysis

ISBN 9781466570818
Published February 25, 2013 by CRC Press
734 Pages 398 B/W Illustrations

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Book Description

Most textbooks that deal with the power analysis of electrical engineering power systems focus on generation or distribution systems. Filling a gap in the literature, Modern Power System Analysis, Second Edition introduces readers to electric power systems, with an emphasis on key topics in modern power transmission engineering. Throughout, the book familiarizes readers with concepts and issues relevant to the power utility industry.

A Classroom-Tested Power Engineering Text That Focuses on Power Transmission

Drawing on the author’s industry experience and more than 42 years teaching courses in electrical machines and electric power engineering, this book explains the material clearly and in sufficient detail, supported by extensive numerical examples and illustrations. New terms are defined when they are first introduced, and a wealth of end-of-chapter problems reinforce the information presented in each chapter.

Topics covered include:

  • Power system planning
  • Transmission line parameters and the steady-state performance of transmission lines
  • Disturbance of system components
  • Symmetrical components and sequence impedances
  • Analysis of balanced and unbalanced faults—including shunt, series, and simultaneous faults
  • Transmission line protection
  • Load-flow analysis

Designed for senior undergraduate and graduate students as a two-semester or condensed one-semester text, this classroom-tested book can also be used for self-study. In addition, the detailed explanations and useful appendices make this updated second edition a handy reference for practicing power engineers in the electrical power utility industry.

What’s New in This Edition

  • 35 percent new material
  • Updated and expanded material throughout
  • Topics on transmission line structure and equipment
  • Coverage of overhead and underground power transmission
  • Expanded discussion and examples on power flow and substation design
  • Extended impedance tables and expanded coverage of per unit systems in the appendices
  • New appendix containing additional solved problems using MATLAB®
  • New glossary of modern power system analysis terminology

Table of Contents

General Considerations
Power System Planning

Basic Concepts
Complex Power in Balanced Transmission Lines
The One-Line Diagram
The Per-Unit System
Constant-Impedance Representation of the Loads
Three-Winding Transformers
The Delta-Wye and Wye-Delta Transformations
Short-Circuit MVA and Equivalent Impedance

Steady-State Performance of Transmission Lines
Conductor Size
Transmission Line Constants
Inductance and Inductive Reactance
Capacitance and Capacitive Reactance
Tables of Line Constants
Equivalent Circuits for Transmission Lines
Short Transmission Lines
Medium-Length Transmission Lines
Long Transmission Lines
General Circuit Constants
Underground Cable Transmission
Bundled Conductors
Effect of Ground on Capacitance of Three-Phase Lines

Disturbance of the Normal Operating Conditions and Other Problems
Fault Analysis and Fault Types
Balanced Three-Phase Faults at No Load
Fault Interruption
Balanced Three-Phase Faults at Full Load
Application of Current-Limiting Reactors
Substation Grounding
Ground Conductor Sizing Factors
Mesh Voltage Design Calculations
Step Voltage Design Calculations
Types of Ground Faults
Ground Potential Rise
Transmission Line Grounds
Types of Grounding

Symmetrical Components and Sequence Impedances
Symmetrical Components
The Operator a
Resolution of a Three-Phase Unbalanced System of Phasors into Its Symmetrical Components
Power in Symmetrical Components
Sequence Impedances of Transmission Lines
Sequence Capacitances of Transmission Lines
Sequence Impedances of Synchronous Machines
Zero-Sequence Networks
Sequence Impedances of Transformers

Analysis of Unbalanced Faults
Shunt Faults
Generalized Fault Diagram for Shunt Faults
Series Faults
Determination of Sequence Network Equivalents for Series Faults
Generalized Fault Diagram for Series Faults
System Grounding
Elimination of SLG Fault Current by using Petersen Coils

System Protection
Basic Definitions and Standard Device Numbers
Factors Affecting Protective System Design
Design Criteria for Protective Systems
Primary and Back-Up Protection
Sequence Filters
Instrument Transformers
The R -X Diagram
Relays as Comparators
Duality between Phase and Amplitude Comparators
Complex Planes
General Equation of Comparators
Amplitude Comparator
Phase Comparator
General Equation of Relays
Distance Relays
Overcurrent Relays
Differential Protection
Pilot Relaying
Computer Applications in Protective Relaying

Power-Flow Analysis
Power-Flow Problem
The Sign of Real and Reactive Powers
Gauss Iterative Method
Gauss-Seidel Iterative Method
Application of Gauss-Seidel Method: Ybus
Application of Acceleration Factors
Special Features
Application of Gauss-Seidel Method: Zbus
Newton-Raphson Method
Application of Newton-Raphson Method
Decoupled Power-Flow Method
Fast Decoupled Power-Flow Method
The DC Power-Flow Method

Impedance Tables for Overhead Lines, Transformers, and Underground Cables
Standard Device Numbers Used in Protection Systems
Unit Conversion from the English System to SI System
Unit Conversion from the SI System to English System
The Greek Alphabet Used for Symbols
Additional Solved Examples of Shunt Faults
Additional Solved Examples of Shunt Faults Using MATLAB®
Glossary for Modern Power System Analysis Terminology


Chapters include references.

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Turan Gönen is currently a professor of electrical engineering and director of the Electrical Power Educational Institute at California State University, Sacramento. He has taught electrical machines and electric power engineering for more than 39 years. Dr. Gönen also has a strong background in the power industry; for eight years he worked as a design engineer in numerous companies both in the United States and abroad. He has been a consultant for the United Nations Industrial Development Organization (UNIDO), Aramco, Black & Veatch Consultant Engineers, and the public utility industry. Dr. Gönen has written more than 100 technical papers as well as several books. He is a Life Fellow member of the IEEE and the Institute of Industrial Engineers.


"This book offers a comprehensive coverage of all classical topics in power system analysis such as basic concepts of three AC circuits and per unit calculation, transmission line, power flow analysis, fault analysis and protection system etc. This second edition is a modern update of the book, which features clear and easy-to-understand text ideally suited for power system analysis courses at senior undergraduate level and graduate level."
—Dr. Zhao Xu, The Hong Kong Polytechnic University, Hunghom, Kowloon

"... the book provides a fresh perspective."
—Walid Hubbi, New Jersey Institute of Technology (NJIT), USA

"This book is written specifically for the study of modern power systems with emphasis on power-transmission engineering. It introduces the reader to concepts and issues relevant to the power utility industry. ... In using this book, the reader will gain a very good understanding of power engineering fundamentals, from understanding and being able to use symmetrical component theory to writing MATLAB code for power-ftow analysis. This book is well written and has numerous illustrations and worked out examples to reinforce learning. The book could be used in a senior-level undergraduate class or graduate-level class in power engineering as well as by practicing engineers in a power utility or others who may want to teach themselves."
--John J. Shea, IEEE Electrical Insulation Magazine