汽车工程 ›› 2021, Vol. 43 ›› Issue (8): 1128-1135.doi: 10.19562/j.chinasae.qcgc.2021.08.002
收稿日期:
2021-04-12
出版日期:
2021-08-25
发布日期:
2021-08-20
通讯作者:
刘细平
E-mail:liuxp211@163.com
基金资助:
Xiping Liu(),Jiesheng Fu,Longxin Du,Gaosheng Zhu Wenjian Guo
Received:
2021-04-12
Online:
2021-08-25
Published:
2021-08-20
Contact:
Xiping Liu
E-mail:liuxp211@163.com
摘要:
为准确快速地获取气隙磁密波形,采用等效磁路法对双层永磁体结构内置式永磁同步电机(IPMSM)气隙磁场进行了解析计算。考虑到定子开槽效应的影响,利用改进的卡特系数修正气隙长度。为降低气隙磁通密度波形畸变率和转矩脉动,引入了一种Taguchi方法对电机铁心进行多目标快速优化设计分析。利用有限元仿真分析与数值计算,阐述了双层永磁体IPMSM多变量和多目标优化设计过程。分析表明,优化后的双层永磁体IPMSM输出转矩提升2%,转矩脉动减少2.77%,空载气隙磁密谐波畸变率降低4.28%。试制样机验证了有限元的可靠性和理论分析的有效性。
刘细平,伏结盛,杜隆鑫,郭高胜,朱文健. 电动汽车用双层永磁体IPMSM解析与优化设计[J]. 汽车工程, 2021, 43(8): 1128-1135.
Xiping Liu,Jiesheng Fu,Longxin Du,Gaosheng Zhu Wenjian Guo. Analysis and Optimization Design of IPMSM with a Double⁃layer Permanent Magnet Structure of Electric Vehicles[J]. Automotive Engineering, 2021, 43(8): 1128-1135.
表 2
正交表及有限元计算结果"
实验 数量 | 实验矩阵 编码 | 空载气隙磁 密THD/% | ||
---|---|---|---|---|
1 | 111 | 424.413 9 | 8.81 | 24.20 |
2 | 122 | 431.614 7 | 6.89 | 18.44 |
3 | 133 | 438.207 5 | 6.74 | 18.68 |
4 | 144 | 441.859 0 | 6.16 | 20.43 |
5 | 212 | 428.302 2 | 7.82 | 19.52 |
6 | 221 | 428.027 4 | 8.02 | 19.91 |
7 | 234 | 440.367 3 | 6.96 | 20.80 |
8 | 243 | 439.609 3 | 5.99 | 19.93 |
9 | 313 | 431.865 5 | 7.40 | 21.04 |
10 | 324 | 437.482 5 | 6.93 | 21.83 |
11 | 331 | 430.322 4 | 8.29 | 21.14 |
12 | 342 | 435.261 6 | 7.01 | 21.10 |
13 | 414 | 433.917 4 | 7.42 | 23.51 |
14 | 423 | 434.261 7 | 6.86 | 22.36 |
15 | 432 | 432.587 8 | 7.29 | 22.20 |
16 | 441 | 431.738 5 | 8.76 | 23.13 |
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