Results 21 to 30 of about 2,500 (192)
Microgrid Protection through Adaptive Overcurrent Relay Coordination
Electricity, 2021 The inclusion of distributed energy resources (DER) in Microgrids (MGs) comes at the expense of increased changes in current direction and magnitude.
Haneen Bawayan, Mohamed Younis
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Gazi university journal of science part a:engineering and innovation, 2023 Distributed generation units (DGs) are rapidly becoming widespread in distribution systems due to their advantages such as power loss reduction, voltage profile improvement, and economic returns.
Alişan Ayvaz
semanticscholar +1 more source
New Overcurrent Relay Coordination Method Through Time Intervals to Enhance Microgrid Protection
IEEE Access, 2021 This paper presents a method to protect microgrids (MGs) through coordination of directional overcurrent relays (DOCRs). The new formulation is subjected to restrictions of pre-established time intervals to guarantee the primary and backup functions of ...
Yendry Gonzalez, Arturo Conde
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A Fast Directional Overcurrent Relay Coordination Method for Smart Grid Protection
Proceedings of the 13th Seminar on Power Electronics and Control (SEPOC 2021), 2021 Modern power systems are dynamic and complex. Likewise, smart grids bring opportunities for the development of protection relays, such as the ability to communicate remotely.
K. Martin +4 more
semanticscholar +1 more source
Journal of Electrical and Computer Engineering, 2020 The flexible operation of microgrids, along with the availability of distributed generation (DG) units, causes a variety of changes in short-circuit current levels, magnitudes, and directions, which has undesirable effects on the operation of protection ...
Panida Thararak, Peerapol Jirapong
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An Adaptive Overcurrent Coordination Scheme Withstanding Active Network Operations
IEEE Access, 2022 This paper aims to present a centralized adaptive protection scheme (APS) for the directional overcurrent relays (DOCRs) considering system dynamics such as load demand variations, topology changes and DGs to mitigate the above-mentioned effects.
Arturo Conde, Meng Yen Shih
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Hybrid mixed-integer non-linear programming approach for directional over-current relay coordination
The Journal of Engineering, 2019 This article proposes the optimal coordination problem of protective relays within a hybrid optimisation framework which is presented based on integer coded genetic algorithm (ICGA) and non-linear programming (NLP).
Mohammad Sadegh Javadi +4 more
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Turkish J. Electr. Eng. Comput. Sci., 2021 : An exponential increase in diverse load demand in the last decade has influenced the integration of more power plants into the power system. This increases the fault current due to the bidirectional flow of current, resulting in unwanted tripping of ...
S. Ramli +6 more
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Turkish J. Electr. Eng. Comput. Sci., 2021 Optimal coordination of directional over-current relays (DOCRs) is a crucial task in ensuring the security and reliability of power system network. In this paper, a hybridization of an improved particle swarm optimization and linear programming (IPSO-LP)
S. Ramli +5 more
semanticscholar +1 more source
International Journal of Electrical Power & Energy SystemsThe optimal setting of directional overcurrent relays ensures the reliable protection and fast fault clearance of radial distribution networks. However, the increasing proliferation of inverter-based distributed energy resources can result in protection ...
Jie Li +4 more
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