Results 11 to 20 of about 247 (173)
IEEE Access, 2020 This paper proposes a novel protection scheme equipped with time current voltage dual setting directional overcurrent relays for radial distribution systems with (distributed generation) DG without the need of communication assistance.
Ahmed Abdullah Balyith +4 more
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Energies, 2021 The relay coordination problem is of dire importance as it is critical to isolate the faulty portion in a timely way and thus ensure electrical network security and reliability.
Muhammad Irfan +6 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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Optimal Adjustment of Dualsetting Overcurrent Relays in Inverter-Based Microgrids [PDF]
Iranian Journal of Electrical and Electronic Engineering, 2023 Increasing the penetration of distributed generation (DG) systems in power systems has many advantages, but it also has problems, including interference with the proper functioning of the protection systems.
Seyed Masoud Barakati, Farzad Tahmasebi
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Summary of useful concepts about the coordination of directional overcurrent protections
CSEE Journal of Power and Energy Systems, 2019 This paper summarizes some useful concepts about the coordination of directional overcurrent protections. The following key topics are described: the analysis of systems in a ring configuration and only one source of short-circuit currents; the ...
Elmer Sorrentino, Naren Gupta
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Advances in Electrical and Electronic Engineering, 2015 The integration of system compensation such as Series Compensator (SC) into the transmission line makes the coordination of directional overcurrent in a practical power system important and complex.
Nabil Mancer +2 more
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Harmonic Dual-Setting Directional Overcurrent Protection for Inverter-Based Islanded Microgrids
IEEE Access, 2023 Limited fault currents in inverter-interfaced islanded microgrids impose immense challenges on conventional overcurrent protection schemes. This paper proposes a sensitive and selective protection scheme for islanded microgrids using a third harmonic ...
Talal Elemamali Sati +2 more
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Energies, 2023 In recent years, with the growing popularity of smart microgrids in distribution networks, the effective coordination of directional overcurrent relays (DOCRs) has presented a significant challenge for power system operators due to the intricate and ...
Faraj Al-Bhadely, Aslan İnan
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IET Generation, Transmission & Distribution, 2021 Abstract The main protection equipment in radial distribution networks are non‐directional overcurrent relays (NDOCR) and fuses which are coordinated using the conventional protection coordination method.
Mahdi Ghotbi‐Maleki +3 more
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IEEE Access, 2022 Microgrids are promising to enhance power distribution systems’ efficiency, quality, sustainability, and reliability. However, microgrids operation can impose several challenges to traditional protection schemes, like changes in the power flow ...
Cleberton Reiz, Jonatas Boas Leite
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