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.
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Table of Contents
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
