Optimal overcurrent relay Coordination in distribution networks

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dc.authorid0000-0001-6528-3812en_US
dc.contributor.authorAtsever, Mert Bekir
dc.contributor.authorKaracasu, Özgür
dc.contributor.authorHocaoğlu, Mehmet Hakan
dc.date.accessioned2021-11-09T11:28:11Z
dc.date.available2021-11-09T11:28:11Z
dc.date.issued2021en_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractOver-current relay coordination plays a critical role for effective protection of networks since primary protection is based on over-current detection in distribution systems. Thus, optimal relay coordination must be ensured between relays in faulted condition, providing selectivity and fast operation. Therefore, relay coordination can be designed as an optimization problem with highly constrained equations in such networks. Linear programming, which is simple to be implemented and requires less computation time when compared other optimisation techniques, is widely employed for solving relay coordination problems. To achieve faster and selective protection a number of optimisation algorithms have, also, been customised for the purpose. Water Cycle Algorithm (WCA) is among them and has promising results, already, depicted in the literature. However, capacitive currents may jeopardize traditional optimisation process for earth faults. Thus, in this paper, performance analysis is carried out for earth faults in sample distribution networks constructed with overhead lines and underground cables, separately. The results show that in cabled networks, additional constraints are needed for the optimisation process to provide selectivity. Consequently, optimal relay settings and selective protection are ensured by adding proper constraints into optimisation problem in this paper.en_US
dc.identifier.doi10.1109/UPEC50034.2021.9548185en_US
dc.identifier.scopus2-s2.0-85116611374en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://hdl.handle.net/11467/5088
dc.identifier.urihttps://doi.org/10.1109/UPEC50034.2021.9548185
dc.identifier.wosWOS:000723608400036en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.relation.ispartof56th International Universities Power Engineering Conference: Powering Net Zero Emissions, UPEC 2021 - Proceedingsen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectrelay coordinationen_US
dc.subjectOptimizationen_US
dc.subjectwater cycle algorithmen_US
dc.subjectEarth faulten_US
dc.titleOptimal overcurrent relay Coordination in distribution networksen_US
dc.typeConference Objecten_US

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