A novel AC line distance protection scheme for AC/DC hybrid system based on fault likeness factor

dc.contributor.authorMa, Jingen
dc.contributor.authorWu, Yuchongen
dc.contributor.authorPhadke, Arun G.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2021-02-11T14:16:05Zen
dc.date.available2021-02-11T14:16:05Zen
dc.date.issued2020-12en
dc.description.abstractConcerning the mal-operation of distance protection in AC/DC hybrid system due to commutation failure in DC system caused by AC-side fault, a novel AC line distance protection scheme based on fault likeness factor is proposed. First, by analysing the conducting state of converter in different time intervals, the expression of feed-in current from DC system to AC system is derived. On this basis, combining AC-side fault component network, the fault location equation considering the impact of feed-in current from DC system is established. Thus, by solving the equation consisting of information at multiple time sections, the fault location is calculated. And then, according to the consistency between the calculated fault location and actual fault location, the fault likeness factor is constructed to distinguish between in-zone and out-of-zone faults. Finally, simulation tests in RT-LAB verify that, the proposed scheme can identify in-zone and out-of-zone faults fast and accurately in the case of commutation failure caused by different types of fault, strongly immune to fault resistance.en
dc.description.notesNational Natural Science Foundation of China, Grant/Award Number: 51822703; Chinese Universities Scientific Fund, Grant/Award Numbers: 2018JQ01, 2018ZD01en
dc.description.sponsorshipNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51822703]; Chinese Universities Scientific Fund [2018JQ01, 2018ZD01]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1049/gtd2.12068en
dc.identifier.eissn1751-8695en
dc.identifier.issn1751-8687en
dc.identifier.urihttp://hdl.handle.net/10919/102344en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleA novel AC line distance protection scheme for AC/DC hybrid system based on fault likeness factoren
dc.title.serialIET Generation Transmission & Distributionen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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