Power system protection is a practical area which 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 approximately 70 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.
• Ten representative examples with specific industry background are thoroughly illustrated. Eight problems are provided in key chapters to facilitate readers to establish a comprehensive understanding of relay functions.