摘要
针对表贴式永磁同步电动机自身结构的特点,简述了永磁同步电动机产生转矩脉动的原因。从电机设计着手,分析永磁体的充磁方式、永磁体宽度、偏心距、不同极弧系数组合以及极槽配合对纹波转矩和齿槽转矩的影响。以一台永磁同步电动机为例,运用有限元软件Maxwell 2D分析这些情况下的转矩脉动。
Considering the structural characteristic of surface-mounted permanent magnet machines, this paper de- scribed the causes of their torque ripple. From a machine design standpoint,influences of the shape and magnetization pat- tern of the permanent magnets, permanent magnet width, eccentricity, combination of different pole-arc coefficients, slot/ pole combination on the contents of the harmonic back-EMF and cogging torque were analyzed. With a surface-mounted permanent magnet machine as an example,finite element software Maxwell 2D was used to analyze the torque ripple of the above mentioned models.
出处
《微特电机》
北大核心
2010年第10期16-18,30,共4页
Small & Special Electrical Machines
