电动汽车应用中带有分布式绕组的无横向定子轴向磁通永磁电机的振动性能分析

IF 2.6 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Xue Yu, Qin Wang, Yu Fu, Hao Chen, Jianfu Zhang, Weiwei Geng
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引用次数: 0

摘要

本文详细分析了采用无磁定子和内部永磁转子的新型轴向磁通永磁(AFPM)机器的电磁力和振动行为。首先,介绍了具有双转子和夹层定子的 AFPM 机器的构造,包括结构设计、无磁定子的固定和分段倾斜转子结构。然后,分析了各向异性材料和固定结构对定子模式的影响,包括弹性模量、剪切模型、槽斜角和定子轭的厚度。此外,基于多物理场模型,为减少振动,提出并计算了一种新的非等分段斜转子结构。比较了三种不同的分段倾斜转子方案,以说明减少振动和噪声的影响。预测结果表明,非等速分段倾斜转子在减少振动方面的效果优于其他两种方案。最后,对 120 kW AFPM 电机进行了实验,结果与预测数据吻合。这全面揭示了采用双转子和夹层无磁定子的 AFPM 电机的振动性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Vibration Performance Analysis of a Yokeless Stator Axial Flux PM Motor with Distributed Winding for Electric Vehicle Application
This article presents a detailed analysis of the electromagnetic force and vibration behavior of a new axial flux permanent magnet (AFPM) machine with a yokeless stator and interior PM rotor. Firstly, the configuration of an AFPM machine with a dual rotor and a sandwiched stator is introduced, including the structural design, fixation of the yokeless stator and segmented skew rotor structure. Then, the influence of anisotropic material and a fixed structure on stator modes is analyzed, including elastic modulus, shear model, the skew angle of slot and the thickness of stator yoke. Furthermore, a new non-equally segmented skew rotor structure is proposed and calculated for the reduction in vibration based on the multiphysics model. Three different segmented skew rotor schemes are compared to illustrate the influence of reducing vibration and noise. The predicted results show that the effect of the non-equally segmented skew rotor on reducing vibration is better than the other two schemes. Finally, a 120 kW AFPM motor is experimented with and the result matches well with the predicted data. The vibration performance of the AFPM motor with a dual rotor and sandwiched yokeless stator is revealed comprehensively.
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来源期刊
World Electric Vehicle Journal
World Electric Vehicle Journal Engineering-Automotive Engineering
CiteScore
4.50
自引率
8.70%
发文量
196
审稿时长
8 weeks
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