党瑾希;童亮;许永红;任继愈;

• 1:北京信息科技大学
• 2:北京工业大学

摘要(Abstract)：

针对汽车余热回收系统中的自由活塞膨胀机-直线发电机系统对直线电机的应用需求,以适用于该系统的一款无铁心永磁同步直线电机为研究对象,通过电磁场理论分析电机模型,搭建ANSYS Maxwell二维瞬态场模块,分析了电机空载、负载工况的磁场特性和极弧系数、气隙长度等参数对电机推力性能的影响,并进行了参数优化以减小电机的推力波动。仿真结果表明:在相同结构参数下,极弧系数和气隙长度相互作用,可以有效降低电机的推力波动。

关键词(KeyWords)： 余热回收系统;无铁心永磁同步直线电机;极弧系数;气隙长度;电机推力

Abstract:

Keywords:

基金项目(Foundation): 北京市自然科学基金面上项目（3192014）

作者(Authors): 党瑾希;童亮;许永红;任继愈;

DOI: 10.19620/j.cnki.1000-3703.20191047

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