Measures to reduce vibration and noise of interior permanent magnet synchronous motor with multilayer permanent magnets

被引：0

作者：

Han X.-Y. ^{[1
]}

Zhang X.-G. ^{[1
]}

Zhu L.-F. ^{[1
]}

Ma X. ^{[1
]}

Wang S.-W. ^{[1
]}

机构：

[1] National Engineering Research Center for Rare Earth Permanent Magnetic Machines, Shenyang University of Technology, Shenyang

来源：

Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2021年 / 25卷 / 08期

关键词：

Electromagnetic force; Finite element simulation; Permanent magnet synchronous motor; Pole groove coordination; Rotor structure; Vibration noise;

D O I：

10.15938/j.emc.2021.08.008

中图分类号：

学科分类号：

摘要：

Methods to reduce the vibration noise of permanent magnet synchronous motor(PMSM) with multilayer permanent magnets by optimizing the rotor structure is proposed. Firstly, the sound pressure level of a PMSM with rated power of 20 kW was calculated by finite element simulation based on direct coupling field. The error between the simulation result and the motor noise experiment is less than 6.3%, which verifies the accuracy of the simulation calculation of motor vibration noise. Secondly, according to the particularity of the rotor structure of the PMSM with multilayer permanent magnets, the influence of different number of permanent magnet layers on the vibration and noise of PMSM was analyzed Then two optimization methods were proposed to optimize the rotor structure of the motor respectively. After optimization, the sound pressure level of the motor was reduced by 8.1% and 5.9% respectively. Finally, by comparing the sound pressure levels of four kinds of PMSM with different pole slot matching, the influence of pole groove matching on the vibration and noise of the motor was analyzed to estimate and reduce the vibration and noise of the motor in the design stage of the motor. © 2021, Harbin University of Science and Technology Publication. All right reserved.

引用

页码：67 / 75

页数：8

共 18 条

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