Analysis of electromagnetic noise of permanent magnet synchronous motor based on multi-directional electromagnetic force

被引：1

作者：

Wang Y. ^{[1
]}

Hao Z.-Y. ^{[1
]}

Zheng K. ^{[1
]}

Zheng X. ^{[1
]}

Qiu Y. ^{[1
]}

机构：

[1] College of Energy Engineering, Zhejiang University, Hangzhou

来源：

Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2020年 / 54卷 / 12期

关键词：

Electromagnetic force; Electromagnetic noise; Magnet fillet radius; Permanent magnet synchronous motor; Stator slot width;

D O I：

10.3785/j.issn.1008-973X.2020.12.002

中图分类号：

学科分类号：

摘要：

In motor electromagnetic noise analysis, the main focus is the radial electromagnetic force and other electromagnetic force components are ignored, which causes the analysis to be inaccurate. The electromagnetic simulation was conducted aiming at the problem to analyze the magnetic field and electromagnetic force distribution of 8-pole 24-slot permanent magnet synchronous drive motor. Radial electromagnetic force alone and radial, tangential and axial electromagnetic forces were respectively applied on the stator model of the motor in order to analyze the electromagnetic noise. The electromagnetic noise of the motor was calculated by the boundary element method, and the accuracy of the simulation analysis was verified by experiments. The parameterized structural model of the motor was established, and the influence of different stator slot widths and magnet fillet radii on radial, and tangential electromagnetic force and electromagnetic noise was analyzed. The results show that the tangential electromagnetic force has a certain effect on the electromagnetic noise, and the motor stator model loaded with radial, tangential and axial electromagnetic forces is more reliable. Reasonable reduction of stator slot width and magnet fillet radius can effectively reduce electromagnetic noise of the motor. Copyright ©2020 Journal of Zhejiang University (Engineering Science). All rights reserved.

引用

页码：2286 / 2293and2404

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