Results 1 to 10 of about 140 (105)
Energies, 2019 In power systems protection, the optimal coordination of directional overcurrent relays (DOCRs) is of paramount importance. The coordination of DOCRs in a multi-loop power system is formulated as an optimization problem.
Abdul Wadood +5 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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Advances in Electrical and Electronic Engineering, 2022 The safety and reliability of an electrical network depend on the performance of the protections utilized. Therefore, the optimal coordination of the protective devices plays an essential role.
Khaled Guerraiche +3 more
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Elektrika, 2022 To reduce damage to electrical power equipment, protective equipment is needed that is designed as well as possible, so that the protection relay can isolate faults in parts of the distribution network as fast as possible.
Andy Frediansyah +2 more
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Per-Phase and 3-Phase Optimal Coordination of Directional Overcurrent Relays Using Genetic Algorithm
Energies, 2021 Penetration of the power grid by renewable energy sources, distributed storage, and distributed generators is becoming increasingly common. Increased utilization of these distributed energy resources (DERs) has given rise to additional protection ...
Ronald C. Matthews +4 more
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Energies, 2020 This paper presents an improved inverse-time over-current protection method based on the compound fault acceleration factor and the beetle antennae search (BAS) optimization method for a microgrid.
Liang Ji +7 more
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Applied Sciences, 2021 Integration of distributed generators (DGs) into a distribution network (DN) can cause coordination challenges of overcurrent relays (OCRs) because of different fault-current contributions of DGs as well as the directional change in fault currents ...
Duong Minh Bui +3 more
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Jurnal Teknik ITS, 2016 Penggunaan relay arus lebih (over current relay) pada industri memerlukan pengaturan beberapa parameter seperti arus pickup (Ip), time dial setting (TDS), serta waktu operasi (top). Dalam standard acuan dicantumkan batasan-batasan dan formulasi dalam menentukan parameter tersebut.
Vincentius Raki Mahindhara +1 more
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IEEE Access, 2019 The directional overcurrent relays (DOCRs) coordination is a useful tool in guaranteeing the safe protection of the power system by the proper coordination of primary and backup protection systems. The optimization model of this problem is non-linear and
Tahir Khurshaid +5 more
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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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