Power system protection is a practical area that requires extensive knowledge and experience.

The organized structure, succinct illustration, and detailed programming examples provided in this book will benefit all levels of readers, including graduate students who are studying courses in electric power systems, as well as engineers who are working in electric utility companies, relay vendors, and consulting firms.

Abstruse principles and terminologies of relay functions and devices are demystified with 87 succinct illustrations.

Each chapter is provided with a summary of key points and a reference list that precisely guides readers to pertinent publications for further details.

Eleven representative examples with specific industry backgrounds are thoroughly illustrated.

Twelve problems are provided in key chapters to facilitate readers to establish a comprehensive understanding of relay functions.