Overcurrent Relay Advances for Modern Electricity Networks explores how to optimize protection and improve system stability and resilience by implementing advanced overcurrent relays in highly dynamic renewable heavy power systems. This guide provides a foundation in relay functions and behaviors in current modern networks, particularly regarding renewable power sources and new electrical network structures such as microgrids. The work discusses the design and creation of protection schemes in smart grids and analyzes their impact on performance and security in protection systems. This practical book also presents a critical new coordination method for online applications.
- Reviews performance considerations and application challenges in optimizing overcurrent relays in future networks
- Provides mathematical and computational modeling scenarios for relays geared for application in future commercial equipment designs
- Describes how to adopt online protection systems by means of optimization algorithms for the adjustment and coordination of relays
- Includes pseudocodes of routines designed to support readers who are implementing or analyzing these systems
- Outlines a demonstrative virtual relay to execute programming operation and optimize coordination of relays
1. Introduction of mathematical model and applications of overcurrent relays
2. Adaptive operating time for overcurrent relays
3. Overcurrent coordination via metaheuristic algorithms
4. Design of nonconventional time curves for overcurrent relays
5. Coordination of nonconventional DOCR based on the time interval criterion
6. Overcurrent relay protection for active microgrids
7. Sensitivity enhancement via adaptive methods for phase DOCR in active electrical networks with high CIGRs connection
8. Distance and overcurrent relay coordination
9. Online centralized control for adaptive protection system
10. Virtual relay design and lab tests of an adaptive overcurrent relay
Arturo Conde is Professor of Electrical Engineering at Autonomous University of Nuevo Leon, Mexico. He is interested in the protection and power quality of power systems, particularly as relates to relay design, applications of adaptive protection in transmission and distribution systems, and on-line applications through distributed management systems of smart grids. He is the author or coauthor of 33 indexed articles and has authored over 50 papers in national and international congress. He is the author of one book, two patents and three book chapters.
