D设计分析esignandanalysis2023年第51卷第10期兰志勇等近极槽配合下直驱电机性能分析24收稿日期:2023-06-27基金项目:顺德区重点科技项目(2130218002544)近极槽配合下直驱电机性能分析兰志勇1,叶书帆1,谭皓元1,罗元钧1,彭思齐1,2(1.湘潭大学自动化与电子信息学院,湘潭411105;2.佛山湘潭大学绿色智造研究院,佛山528300)摘要:极槽配合的选择一直作为电机设计的首要问题备受关注。选择4种极槽配合,结合直驱电机的绕组系数和齿槽转矩进行分析,主要将齿槽转矩、空载反电动势、气隙磁密与转矩脉动等参数作为衡量电机的性能指标进行对比分析,得出极槽配合为27/28的直驱电机具有较低的齿槽转矩和转矩脉动、气隙磁密与空载反电动势的谐波含量较小,综合性能较好。为直驱电机在数控机床上的选择及优化提供了一个重要的参考依据。关键词:直驱电机;极槽配合;齿槽转矩;转矩脉动中图分类号:TM351文献标志码:A文章编号:1004-7018(2023)10-0024-05PerformanceAnalysisofDirect-DriveMotorwithNearSlot-PoleCombinationLANZhiyong1,YEShufan1,TANHaoyuan1,LUOYuanjun1,PENGSiqi1,2(1.CollegeofAutomationandElectronicInformation,XiangtanUniversity,Xiangtan411105,China;2.FoshanGreenIntelligentManufacturingInstituteofXiangtanUniversity,Foshan528300,China)Abstract:Theselectionofslot-polecombinationhasalwaysbeentheprimaryissueinmotordesignandhasreceivedmuchattention.Fourkindsofslot-polecombinationswereselected,andthewindingcoefficientandcoggingtorqueofthedirect-drivemotorwerecombinedforanalysis.Thecoggingtorque,no-loadbackelectro-motiveforces,air-gapfluxdensityandtorquerippleweremainlyusedastheparameterstomeasurethemotorforanalysisandcomparison.Itisconcludedthatthedirect-drivemotorwith27/28slot-polecombinationhaslowercoggingtorqueandtorqueripple,andtheair-gapfluxdensityandno-loadbackEMFhavesmallerharmoniccontent,andbettercomprehensiveperformance.Themethodprovidesanimportantreferencefortheselectionandoptimizationofdirect-drivemotorsonCN...
