Magnetic Field Calculation in Axial Flux Permanent Magnet Motor With Rotor Eccentricity

被引：12
作者：
Guo, Baocheng [1 ]
Du, Yunlu [2 ]
Peng, Fei [2 ]
Huang, Yunkai [2 ]
机构：
[1] Nanjing Normal Univ, Sch Elect & Automat Engn, Nanjing 210098, Peoples R China
[2] Southeast Univ, Sch Elect Engn, Nanjing 211189, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2022年 / 58卷 / 09期
关键词：
Remanence; Magnetic flux; Air gaps; Rotors; Atmospheric modeling; Torque; Mathematical models; Analytical calculation; axial flux permanent magnet (AFPM) motor; equivalent principle;
D O I：
10.1109/TMAG.2022.3185708
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, a novel magnetic field calculation approach that considers the static inclined eccentricity of axial flux permanent magnet (AFPM) machine is presented. The equivalent remanence of permanent magnet (PM) is introduced and calculated, in which the air-gap length can be regarded as uniform. Then, the analytical model based on harmonic subdomain technology can be used directly. The magnetic field distribution (MFD) and electromagnetic performance under eccentric state are calculated and compared. The effectiveness of the proposed method is verified both by the finite element (FE) model and experimental results. The main contribution of this article is to provide a simple and accurate method for the calculation of the eccentric magnetic field of the PM motor, not limited to the AFPM.
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页数：4
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