Electric Power Transformer Engineering 3rd Edition
Book Details :
LanguageEnglish
Pages676
FormatPDF
Size95.1 MB


Electric Power Transformer Engineering 3rd Edition



Electric Power Transformer Engineering 3rd Edition by James H. Harlow | PDF Free Download.

Editor of Electric Power Transformer Engineering PDF

James H. Harlow is self-employed as principal of Harlow Engineering Associates, consulting with the electric power industry since 1996.

Prior to this, he had 34 years of industry experience with Siemens (and its predecessor company Allis-Chalmers) and Beckwith Electric.

While at these firms, he managed or conducted groundbreaking projects that blended electronics into power transformer applications.

Two such projects were the introduction of the first microprocessor-based intelligent electronic device used in quantity in utility substation environments (for the automatic control of load tap changers) and a power-thyristor-based load tap changer to accomplish arc mitigation during the tap change event in step-voltage regulators.

Harlow received his BSEE from Lafayette College, his MBA (statistics) from Jacksonville State University, and his MS (electric power) from Mississippi State University.

He joined the IEEE PES Transformers Committee in 1982 serving in various capacities before becoming an officer, culminating as chair of the committee for 1994–1995. In this capacity, he exercised oversight of all power transformer standards that are sponsored by the IEEE.

During this period, he served on the IEEE delegation to the ANSI C57 Main Committee (Transformers).

As chair of the Transformers Committee, he was a member of the IEEE PES Technical Council, the assemblage of leaders of the various technical committees that comprise the IEEE Power and Energy Society.

Continuing involvement led to serving as PES vice president of technical activities and chair of the Technical Council for the years 2001–2002.

Harlow has authored more than 30 technical articles and papers, including serving as editor of the transformer section of 2001, 2004, and 2007 editions of The Electric Power Engineering Handbook, CRC Press.

His editorial contribution within this book is the chapter on his specialty, LTC control and transformer paralleling (Chapter 18). A holder of six U.S. patents, Harlow is a registered professional engineer and a life-senior member of the IEEE.

Electric Power Transformer Contents


  • Theory and Principles
  • Power Transformers
  • Distribution Transformers
  • Phase-Shifting Transformers
  • Rectifier Transformers
  • Dry-Type Transformers
  • Instrument Transformers
  • Step-Voltage Regulators
  • Constant-Voltage Transformers
  • Transformers for Wind Turbine Generators and Photovoltaic Applications
  • Reactors
  • Insulating Media
  • Electrical Bushings
  • Tap Changers and Smart Intelligent Controls
  • Loading and Thermal Performance
  • Transformer Connections
  • Transformer Testing
  • Load-Tap-Change Control and Transformer Paralleling
  • Power Transformer Protection
  • Causes and Effects of Transformer Sound Levels 
  • Transient-Voltage Response of Coils and Windings
  • Transformer Installation and Maintenance
  • Problem and Failure Investigation
  • On-Line Monitoring of Liquid-Immersed Transformers
  • U.S. Power Transformer Equipment Standards and Processes

Preface to Electric Power Transformer Engineering eBook


It is appropriate that I first acknowledge my appreciation to Professor Leo Grigsby for inviting me to prepare the chapter on power transformers for the first edition (2001) of his now very popular Electric Power Engineering Handbook.

From that evolved the recognition that two chapters from the 2001 handbook, those for (1) substations and (2) transformers, could be extracted, expanded, and be offered as stand-alone books while retaining the composite association with Professor Grigsby’s overall work.

Thus, the first edition of Electric Power Transformer Engineering was offered by CRC Press in 2004, the second edition in 2007, and now this third edition.

As editor of the book, my charge to the chapter authors was to direct their messages to engineers who know the basic physics, or applications, or possess hands-on working knowledge of power transformers.

Thus, it is believed that all persons with a power transformer background experience, be they merely curious, seasoned professionals, or acknowledged experts, will find much in the book with which to relate, and that all such readers will glean material appropriate to their individual degree of expertise.

The book is topically structured three parts:

Chapter 1. Theory and principles: Illustrating to electrical engineers the relevant theories and principles (concepts and mathematics) of power transformers.

Chapters 2 through 11: Devoting a complete chapter to each of ten particular embodiments of power transformers and closely related apparatus. 

  • Power transformers 
  • Distribution transformers 
  • Phase-shifting transformers 
  • Rectifier transformers 
  • Dry-type transformers 
  • Instrument transformers 
  • Step-voltage regulators 
  • Constant-voltage transformers 
  • Transformers for wind turbine generators and photovoltaic applications 

Reactors Chapters 12 through 25: Delving into 14 ancillary topics that are fundamental to the operation or design of the basic transformer.

  • Insulating media 
  • Electrical bushings
  • Tap changers and smart intelligent controls 
  • Loading and thermal performance
  • Transformer connections 
  • Transformer testing 
  • Load-tap-change control and transformer paralleling 
  • Power transformer protection 
  • Causes and effects of transformer sound levels 
  • The transient-voltage response of coils and windings 
  • Transformer installation and maintenance 
  • Problem and failure investigation 
  • Online monitoring of liquid-immersed transformers 
  • The United States power transformer equipment standards and processes

While many of these chapter titles remain as in the second edition, the reader will quickly recognize that most have been significantly expanded with new and updated material for this third edition.

Each chapter is replete with photographs, equations, and tabular data appropriate to the discussion.

For my part, the manner by which I have been most useful to the production of this book is simply by virtue of the long-standing (and always most enjoyable) association I have had with the experts who comprise the chapter authors. Each author has enthusiastically supported the effort.

This offers a peek into the unselfish attitude of the community of power transformer engineers, without which, and without whom, I could never alone have undertaken to produce the work.

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