{"title":"Analysis and Design of Passive Damping for LC-Equipped Permanent-Magnet Synchronous Machine Drive System","authors":"Zekai Lyu, Lijian Wu, Youtong Fang","doi":"10.1109/ITECAsia-Pacific56316.2022.9942016","DOIUrl":null,"url":null,"abstract":"The LC filter can be added between pulse width modulation (PWM) inverter and permanent-magnet synchronous machine (PMSM) to reduce the insulation stress and current harmonics. However, the LCL resonance can threaten the stability of the system. This paper focuses on the passive damping method for LC-equipped PMSM drive system to suppress the resonance without the need of additional sensors or changes in the control software. The inherent damping characteristic of the drive system is derived. Then, two kinds of passive damping schemes are investigated and compared. The analysis and design are validated with simulation results.","PeriodicalId":45126,"journal":{"name":"Asia-Pacific Journal-Japan Focus","volume":"20 1","pages":"1-5"},"PeriodicalIF":0.2000,"publicationDate":"2022-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Asia-Pacific Journal-Japan Focus","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITECAsia-Pacific56316.2022.9942016","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"AREA STUDIES","Score":null,"Total":0}
引用次数: 0
Abstract
The LC filter can be added between pulse width modulation (PWM) inverter and permanent-magnet synchronous machine (PMSM) to reduce the insulation stress and current harmonics. However, the LCL resonance can threaten the stability of the system. This paper focuses on the passive damping method for LC-equipped PMSM drive system to suppress the resonance without the need of additional sensors or changes in the control software. The inherent damping characteristic of the drive system is derived. Then, two kinds of passive damping schemes are investigated and compared. The analysis and design are validated with simulation results.
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