An Adaptive Overcurrent Coordination Scheme to Improve Relay Sensitivity and Overcome Drawbacks due to Distributed Generation in Smart Grids [PDF]
, 2017 Distributed Generation (DG) brought new challenges for protection engineers since standard relay settings of traditional system may no longer function properly under increasing presence of DG.
Conde, Arturo +3 more
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Optimal Coordination of Directional Overcurrent Relays Using PSO-TVAC Considering Series Compensation [PDF]
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
doaj +4 more sources
Application of a Continuous Particle Swarm Optimization (CPSO) for the Optimal Coordination of Overcurrent Relays Considering a Penalty Method [PDF]
Energies, 2018 In an electrical power system, the coordination of the overcurrent relays plays an important role in protecting the electrical system by providing primary as well as backup protection. To reduce power outages, the coordination between these relays should
Abdul Wadood +4 more
doaj +2 more sources
OptiCoord: Advancing directional overcurrent and distance relay coordination with an enhanced equilibrium optimizer [PDF]
HeliyonIn this article, an improved optimization technique is used to get a solution to the problem of coordination between directional overcurrent relays (DOCR) and distance relays. An enhanced version of an equilibrium optimization algorithm (EO), referred to
Ahmed Korashy +3 more
doaj +2 more sources
Results in EngineeringThe calculation of the output current of distribution generation (DG) units interfaced with an inverter during the fault is a major issue for isolated and grid-connected distributed networks. The droop control inverter interfaced DG has controlled output
Mahmoud Aref +5 more
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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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Performance evaluation of advanced metaheuristic algorithms for directional overcurrent relay coordination in distribution networks. [PDF]
Sci RepArslanoğlu İ, Altaş İH, Kılıç H.
europepmc +2 more sources
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source