{"title":"Open-Switch Fault Diagnosis for Three-Phase AC-DC Power Converter with Park's Vector Method Considering Modulation Schemes","authors":"Feng Guo, Tao Yang, S. Bozhko, P. Wheeler","doi":"10.1109/DEMPED.2019.8864839","DOIUrl":null,"url":null,"abstract":"Open-switch fault accounts for large proportions among failures in power conversion system. Previously, fault defection methods are carried out by researches from transient period or circuit configuration with complicated algorithms. This paper reveals characteristics of single IGBT open-switch fault in rectifier from perspective of modulation scheme It presents that with a suitable modulation index and modulation scheme, current park's vector diagnosis method can become simple and effective for two-level three-phase AC-DC power converter. In that way, park's vector can be generalized for localizing faults in both inverter and rectifier.","PeriodicalId":397001,"journal":{"name":"2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE 12th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DEMPED.2019.8864839","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Open-switch fault accounts for large proportions among failures in power conversion system. Previously, fault defection methods are carried out by researches from transient period or circuit configuration with complicated algorithms. This paper reveals characteristics of single IGBT open-switch fault in rectifier from perspective of modulation scheme It presents that with a suitable modulation index and modulation scheme, current park's vector diagnosis method can become simple and effective for two-level three-phase AC-DC power converter. In that way, park's vector can be generalized for localizing faults in both inverter and rectifier.
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