{"title":"基于三电平直流变换器的小电感无刷直流电动机转矩脉动抑制方法","authors":"Yue Liu, Jianhui Hu, Shili Dong","doi":"10.1109/ICIEA.2019.8834385","DOIUrl":null,"url":null,"abstract":"In order to make small inductance brushless DC motor drive circuit achieve better drive performance, DC-DC converter is chosen to be added in front of the three-phase inverter to reduce the torque ripple. This paper proposes a novel circuit topology adding three-level DC converter in front of the three-phase inverter. The former three-level DC converter is used for speed control and the three-phase inverter circuit is only used for commutation. The simulation model of brushless DC motor based on three-level DC converter is built. To be suitable for DC brushless motor drive circuit and achieve better drive performance three-level DC converter uses the common ground structure and the voltage-sharing control is adopted. Finally the simulation results show that three-level DC converter is suitable to be used in the small inductance brushless DC motor drive circuit and drive circuit with three-level DC converter shows better drive performance than with buck converter.","PeriodicalId":311302,"journal":{"name":"2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Torque Ripple Reduction Method of Small Inductance Brushless DC Motor Based on Three-level DC Converter\",\"authors\":\"Yue Liu, Jianhui Hu, Shili Dong\",\"doi\":\"10.1109/ICIEA.2019.8834385\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In order to make small inductance brushless DC motor drive circuit achieve better drive performance, DC-DC converter is chosen to be added in front of the three-phase inverter to reduce the torque ripple. This paper proposes a novel circuit topology adding three-level DC converter in front of the three-phase inverter. The former three-level DC converter is used for speed control and the three-phase inverter circuit is only used for commutation. The simulation model of brushless DC motor based on three-level DC converter is built. To be suitable for DC brushless motor drive circuit and achieve better drive performance three-level DC converter uses the common ground structure and the voltage-sharing control is adopted. Finally the simulation results show that three-level DC converter is suitable to be used in the small inductance brushless DC motor drive circuit and drive circuit with three-level DC converter shows better drive performance than with buck converter.\",\"PeriodicalId\":311302,\"journal\":{\"name\":\"2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA)\",\"volume\":\"36 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-06-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICIEA.2019.8834385\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIEA.2019.8834385","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Torque Ripple Reduction Method of Small Inductance Brushless DC Motor Based on Three-level DC Converter
In order to make small inductance brushless DC motor drive circuit achieve better drive performance, DC-DC converter is chosen to be added in front of the three-phase inverter to reduce the torque ripple. This paper proposes a novel circuit topology adding three-level DC converter in front of the three-phase inverter. The former three-level DC converter is used for speed control and the three-phase inverter circuit is only used for commutation. The simulation model of brushless DC motor based on three-level DC converter is built. To be suitable for DC brushless motor drive circuit and achieve better drive performance three-level DC converter uses the common ground structure and the voltage-sharing control is adopted. Finally the simulation results show that three-level DC converter is suitable to be used in the small inductance brushless DC motor drive circuit and drive circuit with three-level DC converter shows better drive performance than with buck converter.
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