{"title":"Non ideal effect of current transformer and its influence on controller design of cascade multilevel STATCOM","authors":"Yanjun Shi, Bangyin Liu, S. Duan","doi":"10.1109/PEDG.2012.6254035","DOIUrl":null,"url":null,"abstract":"This paper discusses influences of using current transformer (CT) as feedback element in a cascade multilevel converter. First, a simplified transfer function model of CT is built by small signal test and the model parameter is verified by large signal experiment. Then, a cascade multilevel STATCOM with CT feedback is modeled and analyzed. Influences of CT on controller designing are discussed, along with solutions. Finally, experiments are performed to verify proposed method.","PeriodicalId":146438,"journal":{"name":"2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEDG.2012.6254035","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
This paper discusses influences of using current transformer (CT) as feedback element in a cascade multilevel converter. First, a simplified transfer function model of CT is built by small signal test and the model parameter is verified by large signal experiment. Then, a cascade multilevel STATCOM with CT feedback is modeled and analyzed. Influences of CT on controller designing are discussed, along with solutions. Finally, experiments are performed to verify proposed method.
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