磁致伸缩效应对电机叠片铁芯振动的影响
Influence of Magnetostrictive Effect on Vibration of Motor Laminated Iron Core
DOI: 10.12677/MET.2021.105054, PDF,   
作者: 郁永涛, 王公强：湖南湘电动力有限公司，湖南 湘潭
关键词: 电机；磁致伸缩；麦克斯韦力；振动；Motor； Magnetostriction； Maxwell Force； Vibration
摘要: 磁致伸缩效应是引起电机定子振动的原因之一。为分析磁致伸缩效应对电机叠片铁芯振动的影响，建立了磁致伸缩以及叠片铁芯振动模型，对比了单独考虑麦克斯韦力、考虑磁致伸缩及麦克斯韦力两者共同作用时的电机叠片铁芯振动加速度。结果表明：仅单独考虑麦克斯韦力作用时的电机叠片铁芯振动加速度与实验测量值的差值较小。单频交变磁场下，麦克斯韦力作用下的机叠片铁芯振动占主导，磁致伸缩效应对铁芯振动的影响相对较小。这为电机减振降噪提供了理论依据。
Abstract: Magnetostrictive effect is one of the causes of motor stator vibration. In order to analyze the influence of magnetostriction effect on the vibration of motor laminated iron core, the vibration models of magnetostriction and laminated iron core are established, and the vibration accelerations of motor laminated iron core considering Maxwell force alone and the combined action of magnetostriction and Maxwell force are compared. The results show that the difference between the vibration acceleration of motor laminated iron core and the experimentally measured value is small when only Maxwell force is considered. Under single frequency alternating magnetic field, the vibration of laminated iron core under Maxwell force is dominant, and the influence of magnetostriction effect on iron core vibration is relatively small. This provides a theoretical basis for motor vibration and noise reduction.
文章引用：郁永涛, 王公强. 磁致伸缩效应对电机叠片铁芯振动的影响[J]. 机械工程与技术, 2021, 10(5): 487-492. https://doi.org/10.12677/MET.2021.105054

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