电工技术学报  2022, Vol. 37 Issue (18): 4638-4650    DOI: 10.19595/j.cnki.1000-6753.tces.210380
电机及其系统 |
表贴式永磁电机各次电流引起径向振动的机理分析及综合抑制策略
康乐, 夏加宽, 苏航, 宋孟霖, 张荣津
沈阳工业大学电气工程学院 沈阳 110023
Mechanism Analysis and Comprehensive Suppression Strategy of Radial Vibration Induced by Each Current of Surface Magnet Motor
Kang Le, Xia Jiakuan, Su Hang, Song Menglin, Zhang Rongjin
School of Electrical Engineering Shenyang University of Technology Shenyang 110023 China
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摘要 变频驱动三相永磁电机绕组中含有各频次对称电流和非对称电流,甚至还有直流分量,在电机极槽磁导调制作用下,这些电流磁场与永磁磁场相互作用都会引起电机的径向振动。该文对样机的三相电流进行分析,分别推导出基波、直流分量、对称倍频电流和非对称倍频电流的径向磁动势,根据麦克斯韦磁力公式推导出各成分电流引起的径向振动模型,通过样机验证模型的正确性。最后推导出一种多倍频电流注入法的径向振动抑制模型,并设计出一种基于多目标RMSProp优化算法的永磁电机径向振动综合抑振控制策略,通过样机实验验证了该方法的正确性和有效性。
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康乐
夏加宽
苏航
宋孟霖
张荣津
关键词 三相永磁同步电机谐波注入径向振动多目标RMSProp优化    
Abstract:The three-phase permanent magnet motor is driven by frequency conversion. The windings contain symmetrical current and asymmetric current of various frequencies, and even DC components. Under the modulation of the pole slot of the motor, the interaction between the current magnetic field and the permanent magnet magnetic field will cause the radial vibration of the motor. In this paper, the three-phase current of the prototype is analyzed, and the radial magnetomotive force of fundamental wave, DC component, symmetrical harmonic current and asymmetric harmonic current are deduced respectively. The radial vibration model caused by the current of each component is deduced according to Maxwell's magnetic force formula, and the correctness of the model is verified by the prototype. Finally, a radial vibration suppression model of multi-harmonic current injection method is derived, and a comprehensive radial vibration suppression control strategy of permanent magnet motor is designed based on the multi-objective RMSProp optimization algorithm. The correctness and effectiveness of the proposed method are verified by the prototype experiment.
Key wordsThree phase permanent magnet synchronous motor    harmonic current injection    radial vibration    multi-objective RMSProp optimization   
收稿日期: 2021-03-19     
PACS: TM351  
基金资助:国家自然科学基金资助项目(52077142)
通讯作者: 夏加宽 男,1962年生,教授,博士生导师,研究方向为永磁电机振动分析与抑制。E-mail: xiajk@sut.edu.cn   
作者简介: 康 乐 女,1983年生,博士研究生,讲师,研究方向为永磁电机振动分析与抑制。E-mail: kangle_mail@163.com
引用本文:   
康乐, 夏加宽, 苏航, 宋孟霖, 张荣津. 表贴式永磁电机各次电流引起径向振动的机理分析及综合抑制策略[J]. 电工技术学报, 2022, 37(18): 4638-4650. Kang Le, Xia Jiakuan, Su Hang, Song Menglin, Zhang Rongjin. Mechanism Analysis and Comprehensive Suppression Strategy of Radial Vibration Induced by Each Current of Surface Magnet Motor. Transactions of China Electrotechnical Society, 2022, 37(18): 4638-4650.
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