Electric Power Principles by James L. Kirtley
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Electric Power Principles by James L. Kirtley

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The Author of Electric Power Principles

James L. Kirtley is the editor of Electric Power Principles Sources, Conversion, Distribution and Use PDF Book

Main Contents of Electric Power Principles PDF

  • Electric Power Systems
  • AC Voltage, Current and Power
  • Transmission Lines
  • Polyphase Systems
  • Electrical and Magnetic Circuits
  • Transformers
  • Polyphase Lines and Single-Phase Equivalents
  • Electromagnetic Forces and Loss Mechanisms
  • Synchronous Machines
  • System Analysis and Protection
  • Load Flow
  • Power Electronics and Converters in Power Systems
  • Induction Machines
  • DC (Commutator) Machines
  • Permanent Magnets in Electric Machines

Preface to Electric Power Principles PDF

At the time of this writing (autumn of 2009), there appears to be a heightened awareness of the importance of energy to our social welfare. (Electric Power Principles by James L. Kirtley)

There are, in my opinion, two reasons for this. First, there is an awareness of the finite supply of fossil fuels stored beneath the surface of our planet, and that one day we will have to make do with sustainable sources of energy.

The other is the fact that use of these fossil fuels releases carbon back into the atmosphere, leading to possible changes in heat transfer from the surface of the earth to space with attendant climate change.

For both of these reasons, the traditional methods for producing electric power may have to change, and this will mean the need for well educated, innovative engineers to build the power systems of the future.

In addition to the need for the engineering of the electric power system itself is the plain fact that electric power, in the broad sense, is being used for a wider range of applications as time goes on.

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Virtually all rail transportation employs electric propulsion; hybrid electric automobiles have become important items of commerce and promise to become part of our energy future.

Reduction of the need for energy (that is conservation) requires enhanced efficiency and effectiveness of the use of energy, and very often that involves the use of electricity.

The implications for education are clear: we in the academic world must educate engineers to be the leaders in designing, building and operating new types of electric power systems. (Electric Power Principles by James L. Kirtley)

Perhaps even more important, we must also educate a broader class of students who will become leaders in the industrial and political realms to understand at least the rudiments and implications of energy, including electric power.

This Electric Power Principles by James L. Kirtley book is the descendant of sets of lecture notes that I have used in two subjects at the Massachusetts Institute of Technology: 6.061, Introduction to Electric Power Systems and 6.685, Electric Machines.

These notes have existed in various forms for about three decades, and they have benefited from the experience of being used by multiple generations of MIT undergraduate and graduate students.

It is my hope that this Electric Power Principles by James L. Kirtley book is used by students who want to gain a broad understanding of how electric power is generated, transmitted, distributed and used.

Thus there is material here beyond the traditional electric power system and electric machinery disciplines.

That said, this Electric Power Principles by James L. Kirtley book does have chapters that discuss some of the traditional material of electric power systems: per-unit normalizations, symmetrical components, and iterative load flow calculations.

In keeping with my feeling that fundamental understanding is important, I have included chapters on the principles of electromechanical energy conversion and on magnetic circuits.

To round out the power systems story is a fairly extensive chapter on synchronous machines, which are still the most important generators of electric power.

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There are also short discussions of the different types of power plants, including both traditional plants and those used for extracting sustainable energy from wind and sun, and topics important to the power system: protection and DC transmission.

On the usage side, there is a chapter on power electronics and chapters on the major classes of electric motors: induction and direct current.

MATLAB is included, and each of the chapters is accompanied by some problems with a fairly wide range of difficulty, from quite easy to fairly challenging.

The material in this Electric Power Principles by James L. Kirtley book should be accessible to an undergraduate electrical engineering student at the third-year level.

I have assumed the reader of this Electric Power Principles by James L. Kirtley book will have a basic but solid background in the fundamentals of electrical engineering, including an understanding of multivariable calculus and basic differential equations, a basic understanding of electric circuit theory and an understanding of Maxwell’s equations.

This Electric Power Principles by James L. Kirtley book could be used for subjects with a number of different areas of emphasis. A ‘first course’ in electric power systems might use Chapters 1 through 4, 6, 7, 10 and 11. Chapter 7 has an appendix on transmission line inductance parameters that can probably be safely skipped in an introductory subject.

Chapter 9 is about synchronous machines and instructors of many power systems subjects would want to address this subject. (Electric Power Principles by James L. Kirtley)

Chapter 12 is an introduction to power electronics and this, too, might be considered for a course in power systems. A ‘first course’ that deals primarily with electric machines could be taught from Chapters 4, 5, 8, 9 and 12 to 15.

Electric Power Principles PDF Free download.

Tutors can find solutions for end-of-chapter problems at www.wiley.com/go/kirtley electric. The number of students who have influenced, hopefully for the better, the subject material in this Electric Power Principles by James L. Kirtley book is so large that there would be no hope in calling them all out.

However, I must acknowledge a few of the people who have taught me this material and influenced my professional career. 

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These include Herb Woodson, Jim Melcher, Gerald Wilson, Alex Kusko, Joe Smith, Charles Kingsley, Steve Umans and Steve Leeb. (Electric Power Principles by James L. Kirtley)

I would also like to thank Steve Sprague of the Electric Motor Education and Research Foundation for the electrical sheet steel data graphics.

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