A magnetic harmonic gear with double fan-shaped halbach arrays

被引：0

作者：

Huang X. ^{[1
]}

Jing L. ^{[2
]}

机构：

[1] College of Physics and Information Engineering, Cangzhou Normal University, Cangzhou

[2] College of Electrical Engineering & New Energy, China Three Gorges University, Yichang

来源：

Progress in Electromagnetics Research Letters | 2021年 / 96卷

关键词：

Air-gap magnetic field - Air-gap magnetic flux densities - Harmonic contents - Magnetic field modulation - Permanent magnets (PMs) - Transmission ratios - Two dimensional finite element method - Unilateral effect;

D O I：

10.2528/PIERL20123102

中图分类号：

学科分类号：

摘要：

Compared with the conventional coaxial magnetic gear, magnetic harmonic gear (MHG) is a device with large transmission ratio. In order to improve the transmission torque, an MHG with double fan-shaped Halbach arrays is proposed in this paper. According to the theory of magnetic field modulation and the unique unilateral effect of Halbach array, both inner and outer permanent magnets (PMs) are arranged in a Halbach array. In addition, all PMs are fan-shaped. The air gap magnetic field and torque of MHG are analyzed by two-dimensional finite element method. Compared with the conventional MHG, the proposed MHG enhances the air-gap magnetic flux density, reduces the air-gap harmonic content, and increases the torque density. © 2021, Electromagnetics Academy. All rights reserved.

引用

页码：17 / 25

页数：8

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