Proposing a New Approach to Generate the Differential Trajectory of the Differential Relays Using COMTRADE Files

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dc.contributor.authorHosseini, Seyed Amir
dc.contributor.authorNazari, Ali Akbar
dc.contributor.authorTaheri, Behrooz
dc.contributor.authorRazavi, Farzad
dc.contributor.authorHashemi Dezaki, Hamed
dc.date.accessioned2022-12-05T11:00:25Z
dc.date.available2022-12-05T11:00:25Z
dc.date.issued2022
dc.description.abstract-translatedThe differential relay is subject to transient events such as inrush current, which may affect its correct operation. Therefore, evaluating the reliable and accurate operation of differential relays is important, which is only possible by mapping the relay’s differential trajectory on its setting curve. However, except for the SIGRA software, creating a differential trajectory only for Siemens relays, there is a gap in developing a method to extract this trajectory for other commercial differential relays. Hence, in this paper, a new method for generating the differential trajectory of the differential relay from their six input currents and mapping it on the relay setting curve is presented. The proposed method uses the differential relay COMTRADE files to access the relay input currents during an incident. The currents recorded in the COMTRADE files belong to the secondary sides of the current transformers (CTs). Accordingly, the impacts of the current transformers’ connections and the protected transformer’s connection type should be considered in the proposed study. The ability of the proposed method to generate the differential trajectory for different incidents that occurred on the power transformers is evaluated using simulation studies and also according to the experimental tests. The results illustrate the efficiency of the proposed method in generating the differential trajectory from the COMTRADE files. In addition, comparing the results of the proposed method with the results created in SIGRA software shows the higher accuracy of the proposed method in producing the differential trajectory of the differential relay.en
dc.format25 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.citationHOSSEINI, SA. NAZARI, AA. TAHERI, B. RAZAVI, F. HASHEMI DEZAKI, H. Proposing a New Approach to Generate the Differential Trajectory of the Differential Relays Using COMTRADE Files. Sustainability, 2022, roč. 14, č. 21, s. 1-25. ISSN: 2071-1050cs
dc.identifier.document-number881362300001
dc.identifier.doi10.3390/su142113953
dc.identifier.issn2071-1050
dc.identifier.obd43937175
dc.identifier.uri2-s2.0-85141876479
dc.identifier.urihttp://hdl.handle.net/11025/50545
dc.language.isoenen
dc.publisherMDPIen
dc.relation.ispartofseriesSustainabilityen
dc.rights© authorsen
dc.rights.accessopenAccessen
dc.subject.translateddifferential protectionen
dc.subject.translatedCOMTRADE filesen
dc.subject.translatedinrush currenten
dc.subject.translatedpower system protectionen
dc.titleProposing a New Approach to Generate the Differential Trajectory of the Differential Relays Using COMTRADE Filesen
dc.typečlánekcs
dc.typearticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen

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