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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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PESA II Algorithm-Based Optimal Coordination of Directional Overcurrent Relays in microgrid [PDF]
هوش محاسباتی در مهندسی برق, 2022 This paper deals with the optimal set of directional overcurrent relays using intelligent methods when the problem has multi-objective functions with different constraints.
Parviz Omidi Brojeni +2 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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e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 The optimum setting of directional overcurrent relays (DOCRs) is required to avoid miscoordination and avail fast response. To fulfill these requirements, it is required to prefer optimization techniques and modifications in objective functions (OF ...
Shanker D. Godwal +4 more
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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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Design Three Phase Overcurrent Relays Based on Microcomputer
Tikrit Journal of Engineering Sciences, 2022 A new design of three phase overcurrent relay described in this paper. The performance of the new design shows the ability to obtain any shape of characteristic with high accuracy and distinguish between transient and steady state fault. This design used
Mohammed Y. Suliman, Amer M. Kado
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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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Journal of Modern Power Systems and Clean Energy, 2021 The optimal setting of directional overcurrent relays (DOCRs) ensures the fault detection and clearing in the minimum possible operation time. Directional protective relaying is carried out to coordinate relay settings in a meshed network in the presence
Pegah Alaee, Turaj Amraee
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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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Energies, 2021 A directional overcurrent relay is commonly used to protect the power distribution networks of a distributed system. The selection of the appropriate settings for the relays is an important component of the protection strategies used to isolate the ...
Aayush Shrivastava +4 more
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