{"title":"A Modified Lyapunov-Based Control Scheme for a Three-phase UPS with an Optimal Third-order Load Current Observer","authors":"Jinsong He, Xin Zhang","doi":"10.1109/PEDG.2019.8807483","DOIUrl":null,"url":null,"abstract":"This paper proposed a modified Lyapunov-based control strategy for the three-phase UPS in d-q frame, which successfully solved the inherent steady-state error problem brought by standard Lyapunov-function based method. Continually, the third-order optimal load current observer in natural frame was designed to estimate the real-time load current, resulting in the omission of three load current sensors. Finally, experimental results validated the effectiveness and efficiency of proposed approach.","PeriodicalId":248726,"journal":{"name":"2019 IEEE 10th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE 10th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEDG.2019.8807483","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
This paper proposed a modified Lyapunov-based control strategy for the three-phase UPS in d-q frame, which successfully solved the inherent steady-state error problem brought by standard Lyapunov-function based method. Continually, the third-order optimal load current observer in natural frame was designed to estimate the real-time load current, resulting in the omission of three load current sensors. Finally, experimental results validated the effectiveness and efficiency of proposed approach.
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