A comprehensive resource on the latest developments in the field of power system protection. The protective relay industry has kept pace with the technological advancements in the field. Currently, the industry is introducing digital/numerical relays as they provide sub-station protection, control and communication, and the recording of disturbances and faults. Digital/Numerical Relays addresses the urgent based need of manufacturers and users adopting this latest technology. Besides covering the current developments, the book also covers current research as well as commercial application of digital/numerical relays. With this up-to-date coverage, this book is indispensable to engineers in the relay industry, field engineers, and researchers. It is also be useful as a reference text for students of electrical engineering.

Table of Contents:
1. General Introduction to Numerical Relays 2. Number Systems 3. Microprocessors 4. Peripheral Devices in Microprocessors 5. Digital Signal Processing 6. Principles of Digital/Numerical Relays 7. Fault Locators 8. Protection and Coordinated Control 9. Some Practical Numerical Protection Schemes 10. Reliability, Testing and Maintenance for Digital/Numerical Relays 11. Future Scenario