永磁同步电机电磁振动噪声优化方法研究

微特电机 ›› 2023, Vol. 51 ›› Issue (4): 20-25.

永磁同步电机电磁振动噪声优化方法研究

刘畅¹, 邱鑫^1,2, 杨建飞^1,2, 陈秋仲¹, 李飞¹, 周锴¹, 华文韬¹, 陈洪生¹

1.南京师范大学电气与自动化工程学院,南京 210023;
2.南京智能高端装备产业研究院有限公司,南京 210042

收稿日期:2022-10-14 出版日期:2023-04-28 发布日期:2023-04-25
作者简介:刘畅(1999—),男,硕士研究生,研究方向为永磁同步电机的电磁振动噪声。
基金资助:
江苏省研究生实践创新项目(SJCX22_0561,SJCX22_0562)

Research on Optimization Method of Electromagnetic Vibration Noise of Permanent Magnet SynchronousMotor

LIU Chang¹, QIU Xin^1,2, YANG Jianfei^1,2, CHEN Qiuzhong¹, LI Fei¹, ZHOU Kai¹, HUA Wentao¹, CHEN Hongsheng¹

1. School of Electrical and Automation Engineering, Nanjing Normal University,Nanjing 210023,China;
2. Nanjing Institute of Intelligent High-End Equipment Industry Co., Ltd.,Nanjing 210042, China

Received:2022-10-14 Online:2023-04-28 Published:2023-04-25

摘要/Abstract

摘要： 分析了永磁同步电机电磁振动噪声原理,计算了一台4极/6槽内置式永磁同步电机多转速下的电磁振动噪声,并通过二维傅里叶分解分析其径向电磁力谐波分量。提出一种新型定转子结构,建立以噪声和转矩脉动为目标的多目标优化数学模型,并采用响应面算法确定最优的设计参数。对优化前后电机的电磁振动噪声进行了仿真对比。结果显示,电机结构优化后,转速3 500 r/min运行时电磁振动噪声减小较为明显,从62.02 dB削弱至53.53 dB;平均转矩基本无变化,转矩脉动有所减小;多转速运行时,电机振动噪声整体性能亦得到改善,验证了该结构优化对电机电磁振动噪声有较为明显的抑制作用。

关键词: 内置式永磁同步电机, 电磁振动噪声, 二维快速傅里叶变换, 多目标优化, 响应面法

Abstract: The principle of electromagnetic vibration noise of permanent magnet synchronous motor was analyzed, and the electromagnetic vibration noise of a 4-pole/6-slot internal permanent magnet synchronous motor at multiple speeds was calculated, and its radial electromagnetic force harmonic component was analyzed by 2D-FFT. A new stator and rotor structure was proposed, a multi-objective optimization mathematical model aiming at noise and torque ripple was established, and the response surface method (RSM) algorithm was used to determine the optimal design parameters. The electromagnetic vibration noise of the motor before and after optimization was simulated and compared. The results show that after the optimization of the motor structure, the electromagnetic vibration noise was obviously reduced from 62.02 dB to 53.53 dB at 3 500 r/min. The average torque was basically unchanged, and the torque ripple was reduced. When running at multiple speeds, the overall performance of motor vibration noise was also improved, which verifies that the structure optimization has obvious suppression effect on motor electromagnetic vibration noise.

Key words: internal permanent magnet synchronous motor, electromagnetic vibration noise, 2D-FFT, multi-objective optimization, response surface method(RSM)

中图分类号:

TM351

刘畅, 邱鑫, 杨建飞, 陈秋仲, 李飞, 周锴, 华文韬, 陈洪生. 永磁同步电机电磁振动噪声优化方法研究[J]. 微特电机, 2023, 51(4): 20-25.

LIU Chang, QIU Xin, YANG Jianfei, CHEN Qiuzhong, LI Fei, ZHOU Kai, HUA Wentao, CHEN Hongsheng. Research on Optimization Method of Electromagnetic Vibration Noise of Permanent Magnet SynchronousMotor[J]. Small & Special Electrical Machines, 2023, 51(4): 20-25.

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