真空泵用开关磁阻电机转矩脉动抑制分析  

Analysis of Torque Ripple Suppression of Switched Reluctance Motor Used in Vacuum Pump

作　　者：金子剑 安跃军[1] 安辉[1] 陆艳君 薛丽萍[1] 韩颖[1] 杨霞[1] JIN Zijian;AN Yuejun;AN Hui;LU Yanjun;XUE Liping;HAN Ying;YANG Xia(School of Electrical Engineering,Shenyang University of Technology,Shenyang 110870,China;Shenyang KINGSEM Co.,Ltd.,Shenyang 110168,China)

机构地区：[1]沈阳工业大学电气工程学院,辽宁沈阳110870 [2]沈阳芯源微电子设备股份有限公司,辽宁沈阳110168

出　　处：《电工技术》2022年第17期190-193,196,共5页Electric Engineering

基　　金：沈阳市重点技术攻关“揭榜挂帅”项目(编号22-101-0-04)。

摘　　要：开关磁阻电机在驱动真空泵的过程中存在转矩脉动大影响运行稳定性的问题。为了改善这个问题,首先用Maxwell张量法对转矩脉动进行了理论分析。在此基础上,采用在转子齿两侧开梯形槽的方案,并研究了梯形槽齿顶高度、槽宽、槽深和开槽角度对开关磁阻电机转矩脉动的影响。通过有限元仿真获得算例电机的择优设计方案,在该方案下开关磁阻电机的平均转矩增大了14.8%,转矩脉动系数降低了20.3%。The switched reluctance motor has the problem of large torque ripple affecting the operation stability in the process of driving the vacuum pump.In order to improve this problem,the torque ripple is theoretically analyzed by Maxwell′s tensor method.On this basis,the scheme of opening trapezoidal slots on both sides of rotor teeth is adopted,and the effects of trapezoidal slot width,slot depth,tooth tip height and slotting angle on the torque ripple of switched reluctance motor are studied.The optimal design scheme of the example motor is obtained through finite element simulation.Under this scheme,the average torque of the switched reluctance motor is increased by 14.8%,and the torque ripple coefficient is reduced by 20.3%.

关 键 词：开关磁阻电机 转矩脉动 径向力波 转矩脉动抑制 真空泵 

分 类 号：TM352[电气工程—电机]