Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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计及切向电磁力的永磁同步磁阻电机振动噪声分析

来源:电工电气发布时间:2025-04-28 16:28 浏览次数:0

计及切向电磁力的永磁同步磁阻电机振动噪声分析

安宝辉,张超,王晓宇
(沈阳工业大学 国家稀土永磁电机工程技术研究中心,辽宁 沈阳 110870)
 
    摘 要:电机电磁振动主要是由于作用在定子内、外侧齿部上的电磁力引起,以一台 20 kW、8 极 48 槽永磁同步磁阻电机为研究对象,建立定子齿部所受电磁力模型,分别分析径向电磁力、切向电磁力引起电机振动的原因,并将径向电磁力、切向电磁力以及径向与切向电磁力分别作用于电机定子内表面,对比分析不同电磁力作用下的电机振动噪声特性。结果表明切向电磁力对电机振动噪声的影响不仅有叠加作用,也有抵消作用,为完整体现电机的振动特性,不能忽视切向电磁力对电机电磁噪声的影响。
    关键词: 永磁同步磁阻电机;切向电磁力;径向电磁力;模态分析;电磁噪声;振动噪声
    中图分类号:TM341 ;TM351     文献标识码:A     文章编号:1007-3175(2025)04-0008-06
 
Vibration Noise Analysis of Permanent Magnet Synchronous Reluctance
Motor Considering Tangential Electromagnetic Force
 
AN Bao-hui, ZHANG Chao , WANG Xiao-yu
(National Engineering Research Center for Rare Earth Permanent Machines, Shenyang University of Technology, Shengyang 110870, China)
 
    Abstract: The electromagnetic vibration of the motor is mainly caused by the electromagnetic force acting on the inner and outer teeth of the stator. In this paper, taking a 20 kW, 8-pole 48-slot permanent magnet synchronous reluctance motor as the research object, establishing electromagnetic force model of the stator teeth, then separately analyzing the causes of the motor vibration caused by the radial and tangential electromagnetic forces, and the radial electromagnetic force, tangential electromagnetic force, radial and tangential electromagnetic force are applied to the inner surface of the motor stator, the vibration noise characteristics of the motor are compared and analyzed. The results show that the tangential electromagnetic force not only has superposition effect on the vibration noise of the motor, but also has counteracting effect. In order to fully reflect the vibration characteristics of the motor, the influence of tangential electromagnetic force on the electromagnetic noise of the motor cannot be ignored.
    Key words: permanent magnet synchronous reluctance motor; tangential electromagnetic force; radial electromagnetic force; modal analysis;electromagnetic noise; vibration noise
 
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