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                Suzhou Electric Appliance Research Institute
                期刊号: CN32-1800/TM| ISSN1007-3175

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                盘式』无铁心永磁无刷直流电动机设计

                来源:电工电气发布时间:2020-07-16 14:16 浏览次数:38
                盘式无铁心永磁无对我来说刷直流电动机设计
                 
                华叙彬
                (重︽庆交通大学 机¤电与车辆工程学院,重庆 400074)
                 
                    摘 要:轴向磁通电机呈扁平型,具有结构紧宝库飞掠而去凑、轴向尺寸小、功率密度大等优点。对一种无铁心轴向磁通永磁无刷直流电◥机进行参数设计与电磁仿真。基于ANSYS Maxwell软件建立起电机有卐限元分析模型,分析了电◤机在静力场的气隙磁场分布规律以及数千道攻击电机各部件的受力与转矩输出情①况,并在瞬态场分析了电机的空载人特性和动态特性。有限元结果表明:盘式无铁心永磁无刷直流电机在空载运行时,反电势为24.5 V,齿⌒ 槽转矩趋于0 N·m;在外接控制电路以额定负载启动,电机在20 ms后,转矩可稳定于12.21 N·m,转速♂稳定于600 r/min,额定输出功率为800 W,符合设▂计要求。
                    关键词:轴向磁通电机;永磁无刷直流电机;参数设计;电磁仿真
                    中图分♀类号:TM36+1     文献︻标识码:A     文章编号:1007-3175(2020)07-0019-05
                 
                Design of In-Wheel Disc Coreless Permanent Magnet Brushless DC Motor
                 
                HUA Xu-bin
                (School of Mechatronics & Automotive Engineering, Chongqing Jiaotong University, Chongqing 400074, China)
                 
                    Abstract: The axial flux motor is flat type, which has the advantages of compact structure, small axial size and high power density. In this paper, a kind of coreless axial flux permanent magnet brushless DC motor (BLDCM) is designed and simulated. Based on ANSYS Maxwell, the finite element analysis model of motor is established. The distribution of air gap magnetic field in static field and the force and torque output of each component of the motor are analyzed, then the no-load and dynamic characteristics of the motor are analyzed in transient field. The finite element results show that the back EMF is 24.5 V and the cogging torque tends to 0 N•m while the disk coreless permanent magnet BLDCM is in no-load operation; when the external control circuit is started with rated load, the torque can be stabilized at 12.21 N•m, the speed can be stabilized at 600 r/min and the rated output power is 800 W after 20 ms, which meets the design requirements.
                    Key words: axial flux motor; permanent magnet brushless DC motor; parameter design; electromagnetic simulation
                 
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