{"title":"Control of Flying Capacitor Multilevel converter in fault state after grid disturbance","authors":"Z. Muller, J. Tlustý, V. Valouch","doi":"10.1109/IGBSG.2016.7539444","DOIUrl":null,"url":null,"abstract":"An effective HW reconfiguration of a FCM (Flying Capacitor Multilevel) converter and also of its control algorithm in case of a fault of one element in the converter phase is presented. A strategy starts from the theory of FCM converters with unequal distribution of voltages on converter capacitors. The use of additional switching elements and capacitors with higher rated voltage is a necessary condition for the presented approach. Because a number of redundant switching states in faulted phases is limited, joint-phase redundancies are recommended to be used to balance capacitor voltages. The case of a 4-level FCM converter is analyzed in detail as an example.","PeriodicalId":348843,"journal":{"name":"2016 2nd International Conference on Intelligent Green Building and Smart Grid (IGBSG)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 2nd International Conference on Intelligent Green Building and Smart Grid (IGBSG)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IGBSG.2016.7539444","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
An effective HW reconfiguration of a FCM (Flying Capacitor Multilevel) converter and also of its control algorithm in case of a fault of one element in the converter phase is presented. A strategy starts from the theory of FCM converters with unequal distribution of voltages on converter capacitors. The use of additional switching elements and capacitors with higher rated voltage is a necessary condition for the presented approach. Because a number of redundant switching states in faulted phases is limited, joint-phase redundancies are recommended to be used to balance capacitor voltages. The case of a 4-level FCM converter is analyzed in detail as an example.
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