Results 1 to 10 of about 340 (134)
Jurnal Nasional Teknik Elektro, 2019 The inevitable replacement of electro-mechanical protection relays with more recently-developed microprocessor-based protection relays poses challenges to engineer, one of which is migration from existing manufacturer’s non-standard inverse time ...
Bagus Brahmantya Gautama
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An Optimization-based Protection Strategy in Active Distribution Network using Double Dual-Setting Directional Overcurrent Relays to Increase DG Penetration [PDF]
International Journal of Research and Technology in Electrical Industry, 2023 Coordination between protection devices is one of the important issues in any protection scheme of an electrical power system. The tendency to increasingly use distributed generation has jeopardized the selectivity of overcurrent relays in active ...
Sajjad Dadfar, Shokoofeh Balooch
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DESIGN THREE PHASE OVERCURRENT RELAYS
Tikrit Journal of Engineering Sciences, 2015 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.
Mohammed Y Suliman,, Amer M. Kado
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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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Coordination of overcurrent relays in microgrids according to the input and output of resources [PDF]
مجله مدل سازی در مهندسی, 2022 In this paper, the directional overcurrent relays are adjusted according to the input and output of resources in the microgrid. Changes in the network structure will change the performance of the relays, so they will cause interruptions and thus reduce ...
saeed abazari, parviz omidi
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Energies, 2023 In case of an error in the power system, it is the duty of the protection relays to isolate the faulty part from the rest of the system as soon as possible.
Aliakbar Azari +4 more
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Optimal Coordination Of Distance And Directional Overcurrent Relays Using GA [PDF]
مجله مدل سازی در مهندسی, 2017 Proper coordination between distance relays and overcurrent in the power system is one of the most important issues for security and stability of system.
زهرا مروج +2 more
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Energies, 2023 The hybridization of PSO for the Optimal Coordination of Directional Overcurrent Protection Relays (DOPR) of the IEEE bus system proposes a new method for coordinating directional overcurrent protection relays in power systems.
Yuheng Wang +3 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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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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