Analytical Investigation of the Magnetic-Field Distribution in an Axial Magnetic-Field-Modulated Brushless Double-Rotor Machine

Chengde Tong, Zhiyi Song, Jingang Bai, Jiaqi Liu and Ping Zheng
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Chengde Tong: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
Zhiyi Song: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
Jingang Bai: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
Jiaqi Liu: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
Ping Zheng: Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China

Energies, 2016, vol. 9, issue 8, 1-23

Abstract: The axial magnetic-field-modulated brushless double-rotor machine (MFM-BDRM) is a novel possible alternative power-split device for hybrid electric vehicles (HEVs). This paper proposes a two-dimensional (2-D) analytical method to predict the performance of the axial MFM-BDRM to reduce computing time. The computation is based on the solution of Laplace’s or Poisson’s equation with boundary conditions for each elementary rectangular region. By taking account of the existence of modulating ring and the stator slotting effect, the proposed model is able to calculate magnetic-field distribution with high accuracy. In order to assess the proposed method, the 2-D analytical and three-dimensional (3-D) finite element analysis (FEA) results have been compared, and good agreements have been achieved. As the analytical computation is much faster and more flexible, the proposed method can be used in the preliminary design process of the axial MFM-BDRM.

Keywords: axial flux; magnetic-field-modulated brushless double-rotor machine (MFM-BDRM); analytical solution; magnetic field; electromagnetic performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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