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Computer relaying for power systems
Phadke A., Thorp J., John Wiley & Sons, Inc., New York, NY, 1988. Type: Book (9780471920632)
Date Reviewed: Aug 1 1989

Computer relaying for power systems has eight chapters and four appendices. Chapter 1, “Introduction to Computer Relaying,” presents the concept of computer relaying and discusses its history. Chapter 2, “Relaying Practice,” gives some basic electrical concepts. Chapter 3, “Mathematical Basis for Protective Relaying Algorithms,” gives poor mathematical background for some domains. Chapter 4, “Transmission Line Relaying,” applies the mathematics developed in the previous chapter to relaying. Chapter 5 discusses some techniques for the protection of transformers, machines, and buses. Chapter 6, “Hardware Organization in Integrated Systems,” covers basic concepts about the required hardware. Chapter 7, “System Relaying and Control,” takes a simple approach to control and measurement, and chapter 8, “Developments in New Relaying Principles,” gives some concepts “which are technically interesting and promising, but which are still a matter of discussion and debate among protection engineers.” Each chapter contains an introduction, a summary, some exercises (but without hints or solutions), and a bibliography (the average age of the sources cited is about 11 years).

The basic outline of ideas that the authors provide can be useful in the field of computer relaying. This textbook is for undergraduate students. It contains examples and exercises typical of courses in electrical engineering, mathematics (algebra, analysis, probability, and statistics), introduction to hardware, and control theory. Unfortunately, these exercises are too difficult to solve with only the material in this book.

The lengths of the chapters belie their lack of information. The mathematical part of this book is weakened by inconsistency and errors, and formulas are misspelled (see, e.g., p. 89) or cited without proper development. The computer program from appendix 3 should not be used without corrections.

The reader should have a background in electrical engineering, mathematics, and computer science in order to understand this book. The typography is good and the references are clear. The index is inconsistent, and the book lacks an author index. This book could be useful as a source of problems and exercises for a lecture course in computer relaying or as an outline for electrical engineering lectures.

Reviewer:  A. Niemiec Review #: CR113076
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