Electrical Power Transmission System Engineering: Analysis and Design, Third Edition, 3rd Edition (Hardback) book cover

Electrical Power Transmission System Engineering

Analysis and Design, Third Edition, 3rd Edition

By Turan Gonen

CRC Press

1,093 pages | 526 B/W Illus.

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pub: 2014-05-14
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Electrical Power Transmission System Engineering: Analysis and Design is devoted to the exploration and explanation of modern power transmission engineering theory and practice. Designed for senior-level undergraduate and beginning-level graduate students, the book serves as a text for a two-semester course or, by judicious selection, the material may be condensed into one semester. Written to promote hands-on self-study, it also makes an ideal reference for practicing engineers in the electric power utility industry.

Basic material is explained carefully, clearly, and in detail, with multiple examples. Each new term is defined as it is introduced. Ample equations and homework problems reinforce the information presented in each chapter. A special effort is made to familiarize the reader with the vocabulary and symbols used by the industry. Plus, the addition of numerous impedance tables for overhead lines, transformers, and underground cables makes the text self-contained.

The Third Edition is not only up to date with the latest advancements in electrical power transmission system engineering, but also:

  • Provides a detailed discussion of flexible alternating current (AC) transmission systems
  • Offers expanded coverage of the structures, equipment, and environmental impacts of transmission lines
  • Features additional examples of shunt fault analysis using MATLAB®

Also included is a review of the methods for allocating transmission line fixed charges among joint users, new trends and regulations in transmission line construction, a guide to the Federal Energy Regulatory Commission (FERC) electric transmission facilities permit process and Order No. 1000, and an extensive glossary of transmission system engineering terminology.

Covering the electrical and mechanical aspects of the field with equal detail, Electrical Power Transmission System Engineering: Analysis and Design, Third Edition supplies a solid understanding of transmission system engineering today.


"This comprehensive book will benefit the practicing power engineer or student who wants to teach himself. It is well-suited for self-study because it contains background theory for each topic covered, and numerous numerical examples and problems crafted to apply the information presented. The appendix is filled with tables of data pertaining to overhead lines, transformers, underground cables, costing, regulations, definitions, unit conversions, and MATLAB® examples. All this information in one place makes this book an excellent reference for the practicing power engineer. It will be useful for many years."

—John J. Shea, Eaton Corporation, Moon Township, Pennsylvania, USA, from IEEE Electrical Insulation Magazine, May/June 2015

"…Good balance between mathematical background and practical applications…The text provides a good review of the key issues in transmission system design and is suitable for courses where not all students have deep background knowledge of the subject."

––James Pilgrim, University of Southampton, UK

"This book provides an excellent balance between theory and practical application. It gives the student a good introduction to the equipment used in power systems, how they operate, and why they are in the form we find them. There are many practical examples included and clear explanations. I like the way that industry standards and current practices are introduced and explained. Most students do not have a familiarity with the equipment used in the power system, and this work bridges that gap and provides a clear picture of how the pieces work together."

––Sheppard Salon, Rensselaer Polytechnic Institute, Troy, New York, USA

Table of Contents

Part I: Electrical Design and Analysis

Transmission System Planning


Aging Transmission System

Benefits of Transmission

Power Pools

Transmission Planning

Traditional Transmission System Planning Techniques

Models Used in Transmission System Planning

Transmission Route Identification and Selection

Traditional Transmission System Expansion Planning

Traditional Concerns for Transmission System Planning

New Technical Challenges

Transmission Planning After Open Access

Possible Future Actions by FERC


Transmission Line Structures and Equipment


The Decision Process to Build a Transmission Line

Design Tradeoffs

Traditional Line Design Practice

Transmission Line Structures

Subtransmission Lines

Transmission Substations

SF6-Insulated Substations

Transmission Line Conductors


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

Transformer Classifications

Environmental Impact of Transmission Lines

Transformer Connections

Autotransformers in Transmission Substations

Transformer Selection

Transformer Classifications


Fundamental Concepts


Factors Affecting Transmission Growth

Stability Considerations

Power Transmission Capability of a Transmission Line

Surge Impedance and Surge Impedance Loading (SIL) of a Transmission Line

Loadability Curves


Shunt Compensation

Series Compensation

Flexible AC Transmission Systems (FACTS)

Static Var Control (SVC)

Static Var Systems

Thyristor Controlled Series Compensator (TCSC)

Static Compensator

Thyristor-Controlled Braking Resistor

Superconducting Magnetic Energy Systems (SMES)

Subsynchronous Resonance

Use of Static Compensation to Prevent Voltage Collapse or Instability

Energy Management System

Supervisory Control and Data Acquisition (SCADA)

Advanced SCADA Concepts

Substation Controllers

Six-Phase Transmission Lines


Overhead Power Transmission


Review of Basics

Constant Impedance Representation of Loads

Three-Winding Transformers


Delta-Wye and Wye-Delta Transformations

Transmission Line Constants

Tables of Line Constants

Equivalent Circuits for Transmission Lines

Short Transmission Lines (up to 50 mi or 80 km)

Medium-Length Transmission Lines (up to 150 mi or 240 km)

Long Transmission Lines (above 150 mi or 240 km)

General Circuit Constants

Bundled Conductors

Effect of Ground on Capacitance of Three-Phase Lines

Environmental Effects of Overhead Transmission Lines

Additional Solved Numerical Examples for the Transmission Line Calculations



Underground Power Transmission and Gas Insulated Transmission Lines


Underground Cables

Underground Cable Installation Techniques

Electrical Characteristics of Insulated Cables

Sheath Currents in Cables

Positive- and Negative-Sequence Reactance

Zero-Sequence Resistance and Reactance

Shunt Capacitive Reactance

Current-Carrying Capacity of Cables

Calculation of Impedances of Cables in Parallel

EHV Underground Cable Transmission

Gas-Insulated Transmission Lines

Location of Faults in Underground Cables



Direct Current Power Transmission

Basic Definitions


Overhead High Voltage DC Transmission

Comparison of Power Transmission Capacity of High Voltage DC and AC

High Voltage DC Transmission Line Insulation

Three-Phase Bridge Converter


Per-Unit Systems and Normalizing


Multibridge (B-Bridge) Converter Stations

Per-Unit Representation of B-Bridge Converter Stations

Operation of Direct Current Transmission Link

Stability of Control

Use of FACTS and HVDC to Solve Bottleneck Problems in the Transmission Networks

High Voltage Power Electronic Substations

Additional Commends on HVDC Converter Stations



Transient Overvoltages and Insulation Coordination


Traveling Waves

Effects of Line Terminations

Junction of Two Lines

Junction of Several Lines

Termination in Capacitance and Inductance

Bewley Lattice Diagram

Surge Attenuation and Distortion

Traveling Waves on Three-Phase Lines

Lightning and Lightning Surges

Shielding Failures of Transmission Lines

Lightning Performance of UHV Lines

Stroke Current Magnitude

Shielding Design Methods

Switching and Switching Surges

Overvoltage Protection

Insulation Coordination

Geomagnetic Disturbances and Their Effects on Power System Operations



Limiting Factors for Extra-High and Ultra-High Voltage Transmission



Radio Noise

Audible Noise

Conductor Size Selection



Symmetrical Components and Fault Analysis


Symmetrical Components

The Operator "a"

Resolution of Three-Phase Unbalanced System of Phasors into its Symmetrical Components

Power in Symmetrical Components

Sequence Impedances of Transmission Lines

Sequence Capacitances of Transmission Line

Sequence Impedances of Synchronous Machines

Zero-Sequence Networks

Sequence Impedances of Transformers

Analysis of Unbalanced Faults

Shunt Faults

Series Faults

Determination of Sequence Network Equivalents for Series Faults

System Grounding

Elimination of SLG Fault Current by Using Peterson Coils

Six-Phase Systems



Protective Equipment and Transmission System Protection


Interruption of Fault Current

High Voltage Circuit Breakers

Circuit Breaker Selection

Disconnect Switches

Load-Break Switches


The Purpose of Transmission Line Protection

Design Criteria for Transmission Line Protection

Zones of Protection

Primary and Backup Protection


Typical Relays Used on Transmission Lines

Computer Applications in Protective Relaying



Transmission System Reliability

Basic Definitions

National Electric Reliability Council

Index of Reliability

Section 209 of PURPA of 1978

Basic Probability Theory

Combinational Analysis

Probability Distributions

Basic Reliability Concepts

Systems with Repairable Components

Reliability Evaluation of Complex Systems

Markov Processes

Transmission System Reliability Methods



Part II: Mechanical Design and Analysis

Construction of Overhead Lines


Factors Affecting Mechanical Design of Overhead Lines

Character of Line Route


Mechanical Loading

Required Clearances

Type of Supporting Structures

Mechanical Calculations

Grade of Construction

Line Conductors

Insulator Types

Joint Use by Other Utilities

Conductor Vibration

Conductor Motion Caused by Fault Currents



Sag and Tension Analysis


Effect of Change in Temperature

Line Sag and Tension Calculations

Spans of Unequal Length: Ruling Span

Effects of Ice and Wind Loading

National Electric Safety Code

Line Location

Construction Techniques



Appendix A: Impedance Tables for Overhead Lines, Transformers, and Underground Cables

Appendix B: Methods for Allocating Transmission Line Fixed Charges Among Joint Users

Appendix C: New Trends and Regulation

Appendix D: A Guide to the FERC Electric Transmission Facilities Permit Process

Appendix E: Standard Device Numbers Used in Protection Systems

Appendix F: Order No. 1000 of Federal Energy Regulatory Commission

Appendix G: Unit Conversions from the English System to SI System

Appendix H: Unit Conversions from the SI System to English System

Appendix I: Classroom Example to Select Conductors for an EHV Transmission Line Design

Appendix J: Additional Solved Examples of Shunt Faults

Appendix K: Additional Solved Examples of Shunt Faults Using MATLAB®

Appendix L: Glossary for Transmission System Engineering Terminology


About the Author

Turan Gönen received a BS and MS from Istanbul Technical College, MS and two Ph.Ds from Iowa State University, and MBA from University of Oklahoma. He has held positions at University of Missouri–Columbia, University of Missouri–Rolla, University of Oklahoma, Iowa State University, Florida International University, and Ankara Technical College; served as a design engineer and consultant in US and international power industries; and written over 100 technical papers and five books. An IEEE fellow and IIE senior member, he is currently professor of electrical engineering and director of the Electrical Power Educational Institute at California State University, Sacramento.

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