基于磁热耦合法的非对称混合磁极永磁电机热分析

史立伟,刘政委,乔志伟,赵新,朱英杰

Thermal analysis of asymmetric hybrid pole permanent magnet motor based on magneto-thermal coupling method

Liwei SHI,Zhengwei LIU,Zhiwei QIAO,Xin ZHAO,Yingjie ZHU

表 3 非对称混合磁极永磁电机额定运行状态下的各部件温升计算结果

Tab.3 Calculation results of temperature rise for each component under rated operation of asymmetric hybrid pole permanent magnet motor

部件 节点温升/℃ 电机外壳 45.4 45.1 47.9 47.7 47.5 定子轭部 — 56.3 56.4 56.3 — 电枢绕组 60.3 60.5 61.8 60.5 60.5 定子齿部 — 56.2 57.4 56.8 — 转子极靴 — 45.3 45.5 45.3 — 永磁体 — 46.1 46.4 46.3 46.2 — 转子轭部 — 45.1 45.5 45.3 — 端盖 42.8 — — — 44.6 轴承 47.9 — — — 51.2