{"title":"一种新的模块化多电平变换器虚电压控制策略","authors":"Li-Xia Sun, Qi-Chen Pei, Sheng Lu","doi":"10.1109/IECON.2017.8217432","DOIUrl":null,"url":null,"abstract":"A novel virtual voltage control strategy is proposed for modular multilevel converter in order to reduce the quantity of voltage sensors at the terminal. The output voltage of the inverter is obtained through the upper and lower arm currents of the converter and used to trace the reference active and reactive power, respectively. According to the Routh-Hurwitz criterion, the root trajectory of the controlled system is revealed and the dynamic characteristics of the controlled system are analyzed in the paper. Based on the root trajectory, the controller parameter is designed, which simplifies the parameter tuning. The simulations are carried out in the PSCAD/EMTDC. Results show that the proposed control strategy has good control performance.","PeriodicalId":13098,"journal":{"name":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","volume":"42 1","pages":"8159-8164"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A novel virtual voltage control strategy for modular multilevel converter\",\"authors\":\"Li-Xia Sun, Qi-Chen Pei, Sheng Lu\",\"doi\":\"10.1109/IECON.2017.8217432\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel virtual voltage control strategy is proposed for modular multilevel converter in order to reduce the quantity of voltage sensors at the terminal. The output voltage of the inverter is obtained through the upper and lower arm currents of the converter and used to trace the reference active and reactive power, respectively. According to the Routh-Hurwitz criterion, the root trajectory of the controlled system is revealed and the dynamic characteristics of the controlled system are analyzed in the paper. Based on the root trajectory, the controller parameter is designed, which simplifies the parameter tuning. The simulations are carried out in the PSCAD/EMTDC. Results show that the proposed control strategy has good control performance.\",\"PeriodicalId\":13098,\"journal\":{\"name\":\"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society\",\"volume\":\"42 1\",\"pages\":\"8159-8164\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IECON.2017.8217432\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON.2017.8217432","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel virtual voltage control strategy for modular multilevel converter
A novel virtual voltage control strategy is proposed for modular multilevel converter in order to reduce the quantity of voltage sensors at the terminal. The output voltage of the inverter is obtained through the upper and lower arm currents of the converter and used to trace the reference active and reactive power, respectively. According to the Routh-Hurwitz criterion, the root trajectory of the controlled system is revealed and the dynamic characteristics of the controlled system are analyzed in the paper. Based on the root trajectory, the controller parameter is designed, which simplifies the parameter tuning. The simulations are carried out in the PSCAD/EMTDC. Results show that the proposed control strategy has good control performance.
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