{"title":"Influence of Slot/Pole Combinations on Torque Ripple in Partitioned Stator Doubly Salient Permanent Magnet Machines","authors":"G. Ming, Qiuhua Liu, Shihao Ma","doi":"10.1109/CIEEC58067.2023.10166498","DOIUrl":null,"url":null,"abstract":"The Influence of slot/pole combinations on torque ripple in partitioned stator doubly salient permanent magnet (PS-DSPM) machines are comprehensively investigated. First, the slot/pole combinations for three-phase PS-DSPM machines are discussed. Then, a determination principle of the feasible slot/pole combinations is proposed for obtaining the approximately sinusoidal back-electromotive force (back-EMF) waveform, small cogging torque, and negligible reluctance torque. Furthermore, the unit PS-DSPM machines with proposed 18/5, 18/7, 18/11, 18/13, and 18/17 slot/pole combinations are compared against the conventional 18/12 PS-DSPM machine to verify the effectiveness of the proposed method to determine the slot/pole combinations. The results show that compared with the conventional 18/12 slot/pole combination, the proposed 18/5, 18/7, 18/11, 18/13, and 18/17 slot/pole combinations can significantly decrease torque ripple.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CIEEC58067.2023.10166498","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
The Influence of slot/pole combinations on torque ripple in partitioned stator doubly salient permanent magnet (PS-DSPM) machines are comprehensively investigated. First, the slot/pole combinations for three-phase PS-DSPM machines are discussed. Then, a determination principle of the feasible slot/pole combinations is proposed for obtaining the approximately sinusoidal back-electromotive force (back-EMF) waveform, small cogging torque, and negligible reluctance torque. Furthermore, the unit PS-DSPM machines with proposed 18/5, 18/7, 18/11, 18/13, and 18/17 slot/pole combinations are compared against the conventional 18/12 PS-DSPM machine to verify the effectiveness of the proposed method to determine the slot/pole combinations. The results show that compared with the conventional 18/12 slot/pole combination, the proposed 18/5, 18/7, 18/11, 18/13, and 18/17 slot/pole combinations can significantly decrease torque ripple.
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