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

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計及切向電磁力的永磁同步磁阻電機振動噪聲分析

來源:電工電氣發布時間:2025-04-28 16:28 瀏覽次數:0

計及切向電磁力的永磁同步磁阻電機振動噪聲分析

安寶輝,張超,王曉宇
(沈陽工業大學 國家稀土永磁電機工程技術研究中心,遼寧 沈陽 110870)
 
    摘 要:電機電磁振動主要是由于作用在定子內、外側齒部上的電磁力引起,以一臺 20 kW、8 極 48 槽永磁同步磁阻電機為研究對象,建立定子齒部所受電磁力模型,分別分析徑向電磁力、切向電磁力引起電機振動的原因,并將徑向電磁力、切向電磁力以及徑向與切向電磁力分別作用于電機定子內表面,對比分析不同電磁力作用下的電機振動噪聲特性。結果表明切向電磁力對電機振動噪聲的影響不僅有疊加作用,也有抵消作用,為完整體現電機的振動特性,不能忽視切向電磁力對電機電磁噪聲的影響。
    關鍵詞: 永磁同步磁阻電機;切向電磁力;徑向電磁力;模態分析;電磁噪聲;振動噪聲
    中圖分類號:TM341 ;TM351     文獻標識碼:A     文章編號: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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