新型双定子永磁游标电机

王群京; 任泰安; 田杰; 阚超豪; 储国良

doi:10.13433/j.cnki.1003-8728.20200235

新型双定子永磁游标电机

doi: 10.13433/j.cnki.1003-8728.20200235

1.
安徽大学安徽省工业节电与用电安全重点实验室, 合肥 230039
2.
合肥工业大学工业培训中心, 合肥 230601
3.
合肥工业大学电气与自动化工程学院, 合肥 230009
4.
国网安庆供电公司, 安徽安庆 246000

基金项目:

国家自然科学基金项目 51377040

安徽省工业节电与用电安全重点实验室开放课题 KFKT201905

中央高校基本科研业务费专项资金、磁浮技术与磁浮列车教育部重点实验室开放课题及电力传输与功率变换控制教育部重点实验室开放课题 2020AC03

详细信息

作者简介:
王群京(1960-), 教授, 博士生导师, 研究方向为伺服电机及其控制, wangqunjing@ahu.edu.cn

通讯作者:
任泰安, 讲师, 硕士生导师, rtaxxx@126.com

中图分类号: TM351
计量
- 文章访问数: 221
- HTML全文浏览量: 49
- PDF下载量: 33
- 被引次数: 0
出版历程
- 收稿日期: 2020-04-21
- 刊出日期: 2021-10-01

New Double-stator Permanent Magnet Vernier Machine

1.
Anhui Provincial Key Laboratory of Industrial Electricity Saving and Safety, Anhui University, Hefei 230039, China
2.
Industrial Training Center, Hefei University of Technology, Hefei 230601, China
3.
School of Electrical and Automation Engineering, Hefei University of Technology, Hefei 230009, China
4.
State Grid Anqing Power Supply Company, Anqing 246000, Anhui, China

摘要

摘要: 永磁游标电机具有高转矩密度，直接驱动等优点，在低速大转矩、宽速度范围运行等领域有较好的发展前景。文中提出了一种新型双定子永磁游标电机，介绍了该电机的结构、工作原理以及磁路走势，并以内、外定子均为4对极为例，利用有限元法与转子内部有隔磁层的电机进行了对比仿真分析，结果表明，无隔磁层的新型双定子永磁游标电机具有转子空间利用率高、电机饱和程度和谐波含量低、气隙磁场增速效果优、输出电压波形正弦性好等优点；通过对外定子齿开辅助槽的方式减小了转矩脉动，提升了电机的性能。
- 永磁游标电机 /
- 工作原理 /
- 隔磁层 /
- 磁场增速 /
- 转矩脉动
Abstract: Permanent magnet vernier machine (PMVM) has the advantages of high torque density, direct drive and so on. It has a good development prospect in the low speed, large torque and wide speed range operation fields. In this paper, a new double-stator PMVM is developed. The structure, working principle and magnetic circuit trend of the machine are introduced. The machine is simulated with 4 pole-pairs in both inner and outer stator. The finite element method is used to carry out comparative simulation analysis with magnetic insulation layer inside the rotor. The results show that the new double-stator PMVM without magnetic insulation layer has the advantages of high rotor space utilization rate, low saturation degree and harmonic content, excellent air gap magnetic field speed-up effect and good sinusoidal output voltage waveform. The torque ripple is reduced and the performance of the machine is improved by opening the auxiliary slots to outer stator teeth.
- permanent magnet vernier machine /
- working principle /
- magnetic barrier /
- magnetic field increasing /
- torque ripple

HTML全文

图 1 新型双定子永磁游标电机

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图 2 磁路走势图

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图 3 磁力线分布图

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图 4 空载状态下两种电机的磁场分布云图

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图 5 外定子绕组磁链

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图 6 外定子相绕组空载反电动势

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图 7 负载状态下两种电机的磁场分布云图

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图 8 外定子绕组输出电压波形及其FFT分析

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图 9 电磁转矩波形

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图 10 辅助槽结构示意图

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图 11 不同槽深时的转矩波动率

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表 1 基本参数

参数	数值	参数	数值
外定子内径/mm	420	外定子外径/mm	520
转子外径/mm	419	外定子槽数	72
转子内、外槽数	54	转子内径/mm	264
内定子外径/mm	263	铁心长/mm	455
外定子极对数	4	内定子极对数	4

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参考文献(15)

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