永磁同步电动机齿槽转矩优化设计仿真
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摘要
分数槽集中绕组永磁同步电动机因产生齿槽转矩及大量的磁动势谐波,会影响电机的工作性能。在分析齿槽转矩及谐波产生原理的基础上,确定了齿槽转矩及磁动势谐波影响因素,对电机结构进行了综合优化设计。针对一款400 W永磁同步电动机,通过对绕组系数、齿槽转矩、力波振动和谐波损耗综合分析,设计了12槽10极双层并联绕组和不开槽定子结构;采用环形永磁体以优化气隙磁密;以体积、成本、性能为综合指标,设计了电机各部分尺寸。通过有限元分析法对电机静磁场特性、空载气隙磁密、齿槽转矩及空载反电动势进行了仿真分析。制造样机并进行了性能测试。仿真与测试结果表明,该电机设计合理,性能优良。
Fractional-slot concentrated-winding permanent magnet synchronous motors may affect the performance of the motor due to cogging torque and a large number of harmonics of the magnetomotive force. Based on the analysis of the principle of cogging torque and harmonic generation,the cogging torque and the influence factors of harmonics of the magneto-motive force were determined,the motor structure was optimized and designed. For a 400 W permanent magnet synchronous motor,a 12-slot 10 pole double-layer shunt winding and a non-slotted stator structure were designed by analyzing the winding coefficient,cogging torque,force wave vibration and harmonic loss. In order to optimize the air gap magnetic density; volume,cost,performance as a comprehensive indicator,the design of the motor part size. The finite element analysis method was used to simulate the static magnetic field characteristics,no-load air gap flux density,cogging torque and no-load back electromotive force. Prototypes were built and tested for performance. Simulation and test results show that the motor has a reasonable design and good performance.
Fractional-slot concentrated-winding permanent magnet synchronous motors may affect the performance of the motor due to cogging torque and a large number of harmonics of the magnetomotive force. Based on the analysis of the principle of cogging torque and harmonic generation,the cogging torque and the influence factors of harmonics of the magneto-motive force were determined,the motor structure was optimized and designed. For a 400 W permanent magnet synchronous motor,a 12-slot 10 pole double-layer shunt winding and a non-slotted stator structure were designed by analyzing the winding coefficient,cogging torque,force wave vibration and harmonic loss. In order to optimize the air gap magnetic density; volume,cost,performance as a comprehensive indicator,the design of the motor part size. The finite element analysis method was used to simulate the static magnetic field characteristics,no-load air gap flux density,cogging torque and no-load back electromotive force. Prototypes were built and tested for performance. Simulation and test results show that the motor has a reasonable design and good performance.
引文
[1]肖庆优.工业机器人用永磁同步伺服电机设计与分析[D].广东工业大学,2016.
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[9]杜晓彬,黄开胜,谭耿锐,等.基于GPR-PSO模型的PMSM齿槽转矩抑制[J].微特电机,2018,46(06):58-61.
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[12]宋伟,王秀和,杨玉波.削弱永磁电机齿槽转矩的一种新方法[J].电机与控制学报,2004,8(3):214-217,292.
[13]杨玉波,王秀和,丁婷婷,等.极弧系数组合优化的永磁电机齿槽转矩削弱方法[J].中国电机工程学报[J],2007,27(6):7-11.
[14]JUSSILA H,SALMINEN P,NIEMEAL M,et al.Guidelines for designing concentrated winding fractional slot permanent magnet machines[C]//International Conference on Power Engineering,2007:191-194.
[15]王艾萌,李梦媛.近极槽永磁电机绕组配置和不等齿宽的研究[J].微特电机,2018,46(8):22-26.
[16]戴文进.电机学[M].北京:清华大学出版社,2008.
[17]段世英.分数槽集中绕组永磁同步电机的若干问题研究[D].武汉:华中科技大学,2014.
[18]戴卫力,王慧贞,严仰光.无刷直流起动/发电系统的起动控制[J].南京航空航天大学学报,2007(4):423-428.
[2]张露锋,司纪凯,封海潮,等.分数槽永磁无刷直流同步电机特性分析[J].微特电机,2016,44(8):45-47.
[3]陈贤阳,黄开胜,明国锋,等.风机用外转子永磁无刷直流电动机的优化分析[J].微特电机,2014,42(9):39-42.
[4]李红梅,王萍.面装式永磁同步电机驱动系统无位置传感器控制[J].电工技术学报,2016,31(S1):85-91.
[5]汪旭东,吴俊,许孝卓,等.分数槽低速大转矩永磁同步电机设计[J].河南理工大学学报:自然科学版,2015,34(6):855-859.
[6]杨玉波,王秀和,陈谢杰,等.基于不等槽口宽配合的永磁电动机齿槽转矩削弱方法[J].电工技术学报,2005,20(3):40-44.
[7]周成虎,孔婉琦,黄明明.12槽10极磁通切换型永磁同步电机设计与分析[J].微特电机,2016,44(07):30-33,40.
[8]刘婷.表贴式永磁同步电机齿槽转矩削弱方法研究[D].长沙:湖南大学,2013.
[9]杜晓彬,黄开胜,谭耿锐,等.基于GPR-PSO模型的PMSM齿槽转矩抑制[J].微特电机,2018,46(06):58-61.
[10]莫会成.分数槽集中绕组永磁交流伺服电动机齿槽转矩分析[J].微电机,2011,44(08);1-5,25.
[11]黄燕涛.永磁同步电机谐波构成分析及优化设计[D].厦门:华侨大学,2016.
[12]宋伟,王秀和,杨玉波.削弱永磁电机齿槽转矩的一种新方法[J].电机与控制学报,2004,8(3):214-217,292.
[13]杨玉波,王秀和,丁婷婷,等.极弧系数组合优化的永磁电机齿槽转矩削弱方法[J].中国电机工程学报[J],2007,27(6):7-11.
[14]JUSSILA H,SALMINEN P,NIEMEAL M,et al.Guidelines for designing concentrated winding fractional slot permanent magnet machines[C]//International Conference on Power Engineering,2007:191-194.
[15]王艾萌,李梦媛.近极槽永磁电机绕组配置和不等齿宽的研究[J].微特电机,2018,46(8):22-26.
[16]戴文进.电机学[M].北京:清华大学出版社,2008.
[17]段世英.分数槽集中绕组永磁同步电机的若干问题研究[D].武汉:华中科技大学,2014.
[18]戴卫力,王慧贞,严仰光.无刷直流起动/发电系统的起动控制[J].南京航空航天大学学报,2007(4):423-428.