Winding Coefficient Calculation and Harmonic Suppression of Axial Flux Permanent Magnet Machine with PCB Winding

IF 1.1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEJ Transactions on Electrical and Electronic Engineering Pub Date : 2025-04-25 DOI:10.1002/tee.70040

Peng Gao, Zhe Wang, Guodong Zhang, Bin Li

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引用次数: 0

Abstract

Currently, the performance calculation of axial flux permanent magnet machine (AFPMM) with PCB winding is mainly performed by finite element analysis (FEA) and analytical method. In contrast, the analytical method is more applicable in preliminary design and optimization calculations, while the 3D FEA is more applicable for verification of the final solution. However, when the analytical method is used, calculating the winding coefficient is crucial. It is related to the selection of the pole-slot combination, which directly affects the back electromotive force (EMF) and the magnetomotive force. It even affects the power factor and operating efficiency. This paper focuses on the calculation methods of winding coefficient for different PCB windings. Then, the influence regulation of PCB winding geometrical parameters on the fundamental and harmonic winding coefficients is investigated. In that way, a new winding structure is proposed to suppress the harmonic of back EMF. The correctness of the studied method is verified through 3D FEA and experimental study of the prototype. The proposed new structure is effective for harmonic suppression of back EMF. © 2025 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.

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PCB绕组轴向磁通永磁电机绕组系数计算及谐波抑制

目前，PCB缠绕轴向磁通永磁机（AFPMM）的性能计算主要采用有限元分析（FEA）和解析法进行。相比之下，解析法更适用于初步设计和优化计算，而三维有限元分析更适用于最终方案的验证。然而，当采用解析法时，计算绕组系数是至关重要的。它与极槽组合的选择有关，直接影响到背电动势（EMF）和磁动势。甚至影响功率因数和运行效率。本文重点介绍了不同PCB缠绕方式下缠绕系数的计算方法。然后，研究了PCB缠绕几何参数对基频和谐波缠绕系数的影响规律。在此基础上，提出了一种新的绕组结构来抑制反电动势谐波。通过对样机的三维有限元分析和实验研究，验证了所研究方法的正确性。该结构对反电动势的谐波抑制是有效的。©2025日本电气工程师协会和Wiley期刊有限责任公司。

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来源期刊

IEEJ Transactions on Electrical and Electronic Engineering 工程技术-工程：电子与电气

CiteScore

2.70

自引率

10.00%

发文量

199

审稿时长

4.3 months

期刊介绍： IEEJ Transactions on Electrical and Electronic Engineering (hereinafter called TEEE ) publishes 6 times per year as an official journal of the Institute of Electrical Engineers of Japan (hereinafter "IEEJ"). This peer-reviewed journal contains original research papers and review articles on the most important and latest technological advances in core areas of Electrical and Electronic Engineering and in related disciplines. The journal also publishes short communications reporting on the results of the latest research activities TEEE ) aims to provide a new forum for IEEJ members in Japan as well as fellow researchers in Electrical and Electronic Engineering from around the world to exchange ideas and research findings.