Time characteristic curve based earth fault relay selectivity assessment for optimal overcurrent relay coordination in distribution networks

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dc.contributor.authorAtsever, Mert Bekir
dc.contributor.authorHocaoglu, Mehmet Hakan
dc.date.accessioned2023-01-23T11:44:19Z
dc.date.available2023-01-23T11:44:19Z
dc.date.issued2022en_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractCoordination of overcurrent relays has been handled with optimization techniques. Time and pick up settings are optimized by using three-phase fault magnitudes. Generally, Standard Inverse Characteristic (SIC) has been used for threephase fault protection settings. However, single line to earth fault is the most common fault types in distribution networks. Definite Time Characteristic (DTC) is, widely, used for coordination of earth fault relays. Topology type, neutral earthing resistance and capacitive currents of underground cables may cause selectivity issues when DTC is used for the coordination. In this work, time characteristic curve (TCC) based earth fault relay selectivity assessment carried out on distribution network. Different earthing resistance and TCC are taken into account during optimization processes. Results show that both DTC and SIC have issues in terms of operating time and selective protection.en_US
dc.identifier.doi10.1109/UPEC55022.2022.9917673en_US
dc.identifier.scopus2-s2.0-85141461424en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://hdl.handle.net/11467/6147
dc.identifier.urihttps://doi.org/10.1109/UPEC55022.2022.9917673
dc.identifier.wosWOS:000886926200027en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.relation.ispartof2022 57th International Universities Power Engineering Conference: Big Data and Smart Grids, UPEC 2022 - Proceedingsen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectoptimization, relay coordination, earth faulten_US
dc.titleTime characteristic curve based earth fault relay selectivity assessment for optimal overcurrent relay coordination in distribution networksen_US
dc.typeConference Objecten_US

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