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Book Review

Generation & Operation

An Updated Third Edition

In this issue, we have the review for the third edition of a book that was first published in 1985. Power Generation, Operation, and Control, Third Edition is “a worthy addition to professional libraries,” the reviewers start, and “makes admirable progress in integrating the traditional with the new.”

Power Generation, Operation and Control Third Edition

By Allen J. Wood, Bruce F. Wollenberg, and Gerald B. Sheblé

This book is an update to the 1996 second edition, which provided a very comprehensive overview of the economic dispatch of generation resources and the operation of power system networks consistent with the state of the art of power system operations at that time. This new edition continues to address and expands upon the traditional topics of power system operations related to transmission network power flow, state estimation, and power system security. Further, the third edition adds new material addressing the operational impact of renewable generation resources and competitive market economics on the operation of electric power systems. The coverage of the topics on economic dispatch, unit commitment (including security constrained unit commitment), and pooling and auction-based markets has been expanded to specifically include the concepts of competitive electricity markets. Within these areas, topics related to the traditional applications used by power system operations engineers were expanded to describe their use in the integration of competitive electricity market operations with traditional power system operational needs and requirements. This edition also includes a new and extensive discussion of short-term demand forecasting. Most importantly, the authors have maintained a strong presence of examples and problems throughout the text to add depth and clarity to the presentation and provide readers with the opportunity to gain from the experience of working through these examples and problems.

Chapter 2 sets the stage for the discussions of the latter topics by introducing an overview of the current organizations (both regulatory and commercial) and operating structures within existing power system operations in the United States. This presentation is approached from the perspective of the economic models and characteristics relevant to the subject of competitive market solutions.

Chapter 3 builds upon the previous edition’s discussion of economic dispatch of thermal units. The expanded discussion includes concepts related to locational marginal prices (LMPs) and the operation of various auction markets utilized in today’s electricity markets and associated research. Chapter 4 expands upon this discussion by introducing the subject of unit commitment, security constrained unit commitment, and the application of these concepts in the near real time and day-ahead electricity markets.

Chapters 6–10 continue to cover the traditional topics of transmission network power flow, power system security, optimal power flow (OPF), state estimation, and generation control as aptly as in the previous editions. When required, the nature of the applications’ utility in the competitive markets is addressed in the presentation. The OPF discussion in the previous edition has been expanded here in Chapter 8. Both acOPF and dcOPF applications are treated in an extended manner that brings clarity and rigor to the topics. LMP theory is considered as well as its relationship to incremental losses, and network flow constraints is demonstrated.

Chapters 11 and 12 bring the book to a conclusion with the introduction of an expanded discussion of power system interchange transactions and pooling and auction markets (Chapter 11) and the addition of an extended discussion of short-term demand forecasting (Chapter 12). This latter chapter ­considers analytical methods utilized in the modeling of short-term demand including time-series applications and artificial neural networks.

As with any attempt to cover a subject as broad as the operation of today’s electric power systems in both regulated and competitive market structures, the authors must choose the topics that will be developed while leaving others by the wayside. The authors have acknowledged such and pledged to bring forward a future edition to address more fully the business aspects of today’s electric power industry. Regardless, the third edition of this book serves well in bringing to light many of these aspects in its description of competitive electricity markets and power system operations. The longevity of this book (the first edition appeared in 1985) attests to the excellent scholarship of its authors and their desire to maintain relevant and up-to-date material.

Without a doubt, this book makes admirable progress in integrating the ­traditional with the new, and, as such, it is a worthy addition to professional libraries. It is a valuable text for a one- or two-course sequence in a graduate curriculum in power systems. Reasonable resource support for both student and instructor is available through the publisher.

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