Dr. J.C. Das is currently the President of Power System Studies, Inc. Snellville, USA. He headed the Electrical Power Systems Analysis Department at AMEC Inc., (now AMEC Foster Wheeler, Inc.) Tucker, GA, USA, for the last 30 years. He has varied experience in the utility industry, industrial establishments, hydroelectric generation, and atomic energy. He is responsible for power system studies, including short-circuit, load flow, harmonics, stability, arc-flash hazard, grounding, switching transients, EMTP simulations, and protective relaying. He conducts courses for continuing education in power systems and has authored or coauthored approximately 65 technical publications, six textbooks, and over 7,000 total published pages.

1. Modern Protective Relaying: An Overview 2. Protective Relays 3. Instrument Transformers 4. Microprocessor-Based Multifunction Relays 5. Current Interruption Devices and Battery Systems 6. Overcurrent Protection: Ideal and Practical 7. System Grounding 8. Ground Fault Protection 9. Bus-Bar Protection and Autotransfer of Loads 10. Motor Protection 11. Generator Protection 12. Transformer Reactor and Shunt Capacitor Bank Protection 13. Protection of Lines 14. Pilot Protection 15. Power System Stability 16. Substation Automation and Communication Protocols Including IEC 61850 17. Protective Relaying for Arc-Flash Reduction

The book focuses on protective relaying, an indispensable part of electrical power systems, and explores cybersecurity and instrument transformers. The text covers smart grids, integration of wind and solar generation, microgrids, and MMPRs (microprocessor-based multifunction relays)-the driving aspects of innovations in protective relaying