轴向磁通永磁电机转矩特性分析和优化  

Characteristic Analysis and Torque Ripple Optimization of Axial Flux Motor

作　　者：赵慧超 孙明冲 王斯博 郭守仑 王金昊 姜雪生 段朝晖 ZHAO Huichao;SUN Mingchong;WANG Sibo;GUO Shoulun;WANG Jinhao;JIANG Xuesheng;DUAN Zhaohui(Global R&D Center,China FAW Corporation Limited,Changchun 130013,China)

机构地区：[1]中国第一汽车集团有限公司研发总院,长春130013

出　　处：《微电机》2023年第9期50-53,68,共5页Micromotors

摘　　要：近年来汽车行业进入了电动化时代,轴向磁通永磁电机在功率密度和转矩密度方面的表现更好,受到各大汽车厂商的认可。针对轴向磁通永磁电机的电机特性,本文提出了一种降低转矩波动的优化设计方法,分析了电机结构参数对其转矩和转矩波动的影响,根据各参数对转矩和转矩波动影响显著性的不同,提取其中较为敏感的结构参数变量,基于DOE算法,结合modeFRONTIER软件进行优化分析。结果表明,所提出的优化设计方法可有效提升电机输出转矩且降低转矩脉动。In recent years,the automobile industry has entered the era of electrification.Axial flux permanent magnet motor(AFPM)perform better in terms of power density and torque density,and has been recognized by major automobile manufacturers.Aiming at the motor characteristics of the axial flux permanent magnet motor,this paper proposed an optimal design method to improve the torque ripple,analyzed the influence of the motor structure parameters on the torque and torque ripple.According to the different significance of the influence of each parameter on torque and torque ripple,the structural parameter variables were reduced,and the optimization analysis was carried out based on DOE algorithm and modeFRONTIER software.The results show that the proposed optimization design method can effectively increase the torque of the motor and reduce the torque ripple.

关 键 词：永磁电机 电机特性 转矩波动 modeFRONTIER 

分 类 号：TM351[电气工程—电机]