Results 1 to 10 of about 77 (68)
Performance evaluation of advanced metaheuristic algorithms for directional overcurrent relay coordination in distribution networks [PDF]
Scientific ReportsDirectional Overcurrent Relay (DOCR) coordination has become an increasingly important problem in modern distribution networks, where growing system complexity and high fault-current variability demand fast and highly selective protection strategies ...
İbrahim Arslanoğlu +2 more
exaly +3 more sources
Enhancing Coordination Efficiency with Fuzzy Monte Carlo Uncertainty Analysis for Dual-Setting Directional Overcurrent Relays Amid Distributed Generation [PDF]
SensorsIn the contemporary context of power network protection, acknowledging uncertainties in safeguarding recent power networks integrated with distributed generation (DG) is imperative to uphold the dependability, security, and efficiency of the grid amid ...
Faraj Al-Bhadely, Aslan İnan
doaj +2 more sources
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
Turaj Amraee
exaly +3 more sources
IET Generation, Transmission & DistributionNowadays, power system protection is increasingly important because of the growing number of customers and the pressing need for timely fault resolution and relay operations.
Amir Hossein Poursaeed +4 more
doaj +2 more sources
Improved Firefly Algorithm for the Optimal Coordination of Directional Overcurrent Relays
IEEE Access, 2019 In an electrical power network linear and non-linear models are used for directional overcurrent relay (DOCR) coordination issue by applying different heuristic techniques.
Sang-Bong Rhee +2 more
exaly +3 more sources
Optimal Relay Coordination in Renewable Microgrids Using Multiobjective Optimization
International Transactions on Electrical Energy SystemsThe penetration of distributed generation (DG) into distribution networks has transformed traditional protection philosophies, often resulting in protection miscoordination due to bidirectional fault currents and varying system topologies.
Shahimol Basheer, K. C. Sindhu Thampatty
doaj +2 more sources
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.
Sang-Bong Rhee +2 more
exaly +3 more sources
Ain Shams Engineering JournalOptimal coordination of overcurrent relays has become a major challenge in power distribution systems due to the increasing participation of distributed generation (DG) and electric vehicle (EV) charging stations, especially vehicle-to-grid (V2G ...
Wael Abdelfattah
exaly +3 more sources
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
doaj +1 more source
Impact of GCSC on IDMT directional overcurrent relay in the presence of phase to earth fault [PDF]
Serbian Journal of Electrical Engineering, 2013 This paper presents the impact of GTO Controlled Series Capacitor (GCSC) parameters on the Inverse Definite Minimum Time (IDMT) Directional Overcurrent Relay (DOCR) based on the International Electrotechnical Commission (IEC) standards. The DOCR
Zellagui Mohamed +3 more
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