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 4 不同电流密度下利用磁热双向耦合法计算得到的非对称混合磁极永磁电机各部件温升结果

Tab.4 Calculation of temperature rise of asymmetric hybrid pole permanent magnet motor components by bi-directional magneto-thermal coupling under different current densities

J/(A·mm⁻²)	t_cmax/℃	t_cavg/℃	t_nmax/℃	t_navg/℃	t_rmax/℃	t_ravg/℃	t_smax/℃	t_savg/℃
2.14	66.35	60.64	47.31	43.53	49.56	43.58	59.47	55.78
2.25	69.44	63.14	48.94	44.92	51.33	44.97	61.94	57.96
2.31	72.70	65.75	50.65	46.37	53.19	46.43	64.51	60.24
2.40	76.22	68.56	52.48	47.93	55.19	47.99	67.28	62.70
2.48	79.91	71.52	54.42	49.58	57.29	49.64	70.19	65.29
2.57	83.78	74.63	56.45	51.31	59.50	51.38	73.25	68.01
2.65	87.97	77.96	58.63	53.16	61.87	53.23	76.53	70.92
2.73	92.35	81.46	60.93	55.11	64.37	55.19	79.99	73.99
2.82	97.01	85.19	63.36	57.19	67.02	57.27	83.66	77.25
2.91	101.90	89.11	65.93	59.37	69.80	59.45	87.51	80.68
3.04	109.79	95.40	70.04	62.87	74.28	62.96	93.71	86.18