Results 1 to 10 of about 105 (74)
Adaptive protection coordination scheme in microgrids using directional over-current relays with non-standard characteristics [PDF]
Heliyon, 2021 Protection coordination of AC microgrids (MGs) is a challenging task since they can operate either in grid-connected or islanded mode which drastically modifies the fault currents.
Sergio D. Saldarriaga-Zuluaga +2 more
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Performance evaluation of advanced metaheuristic algorithms for directional overcurrent relay coordination in distribution networks [PDF]
Scientific ReportsDirectional Overcurrent Relay (DOCR) coordination has become an increasingly important problem in modern distribution networks, where growing system complexity and high fault-current variability demand fast and highly selective protection strategies ...
İbrahim Arslanoğlu +2 more
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Optimal protection coordination of DOCRs for microgrids using a hybrid deep reinforcement learning and metaheuristic optimization framework [PDF]
Scientific ReportsDirectional overcurrent relays (DOCRs) protection in modern microgrids is problematic, because of the massive inverter-based distributed generation penetration, the flow of power in both directions, lower fault currents, and an extremely high rate of ...
Yuxuan Chen
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Ain Shams Engineering Journal, 2023 The increasing demands of electrical power have imposed a necessity to integrate renewable energy power sources (REPS) into electrical power networks. The presence of REPS within electrical distribution networks mandated an update in the settings of the ...
Fady Wadie +2 more
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Microgrid Protection Coordination Considering Clustering and Metaheuristic Optimization
Energies, 2023 This paper addresses the protection coordination problem of microgrids combining unsupervised learning techniques, metaheuristic optimization and non-standard characteristics of directional over-current relays (DOCRs).
Javier E. Santos-Ramos +4 more
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Optimal Coordination of Directional Overcurrent Relays for Microgrids Using Hybrid Interval Linear Programming - Differential Evolution [PDF]
Journal of Operation and Automation in Power Engineering, 2022 The relay coordination problem of directional overcurrent has been an active research issue in distribution networks and power transmission. In general, the problem of relay coordination is the nonlinearity of the optimization problem, which increases ...
P. Omidi, S. Abazari, S.M. Madani
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Ain Shams Engineering Journal, 2022 Optimal coordination and settings of directional overcurrent relays (DOCRs) are crucial task to ensure reliable and effective protection in power system networks. The settings of DOCRs are plug setting current (PSC) and time multiplier setting (TMS). The
Suzana Pil Ramli +4 more
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Energies, 2022 The use of a directional overcurrent protection relay (DOPR) to protect an electrical power system is a crucial instrument for keeping the system dynamic and avoiding undue interruption.
Kashif Habib +5 more
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IEEE Access, 2022 Recently, numerical relays with communication capabilities have been employed to provide adaptive solutions for Distributed Generations (DGs) protection issues.
Alaa Hmam El-Hamrawy +2 more
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Optimal Coordination of Directional Overcurrent Relays Using Hybrid Firefly–Genetic Algorithm
Energies, 2023 The application of directional overcurrent relays (DOCRs) plays an important role in protecting power systems and ensuring their safe, reliable, and efficient operation.
Tareq Foqha +6 more
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