Fangwei Zhao, Xiuhe Wang, Wenliang Zhao, Lingling Sun, Jie Ren
{"title":"Optimization Analysis of Inherent Shaft Voltage in Line-Start Permanent Magnet Synchronous Motor","authors":"Fangwei Zhao, Xiuhe Wang, Wenliang Zhao, Lingling Sun, Jie Ren","doi":"10.1109/CEFC46938.2020.9451459","DOIUrl":null,"url":null,"abstract":"This paper analyzes the inherent shaft voltage in line-start permanent magnet synchronous motor (LSPMSM). The magnetomotive force of per permanent magnet along the circumference of air gap is transformed into the distributed magnetomotive force. The analytical expression of shaft voltage is deduced. Rotor teeth width design and rotor teeth pairing design aimed at reduction of shaft voltage are studied on the basis of the equivalent magnetomotive force. Furthermore, several LSPMSM models are investigated by the finite element analysis (FEA) to verify the effectiveness of theoretical analysis.","PeriodicalId":439411,"journal":{"name":"2020 IEEE 19th Biennial Conference on Electromagnetic Field Computation (CEFC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 IEEE 19th Biennial Conference on Electromagnetic Field Computation (CEFC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEFC46938.2020.9451459","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
This paper analyzes the inherent shaft voltage in line-start permanent magnet synchronous motor (LSPMSM). The magnetomotive force of per permanent magnet along the circumference of air gap is transformed into the distributed magnetomotive force. The analytical expression of shaft voltage is deduced. Rotor teeth width design and rotor teeth pairing design aimed at reduction of shaft voltage are studied on the basis of the equivalent magnetomotive force. Furthermore, several LSPMSM models are investigated by the finite element analysis (FEA) to verify the effectiveness of theoretical analysis.
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