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Energies 2018, 11(8), 2156; https://doi.org/10.3390/en11082156

Analysis and Design of a Compound-Structure Permanent-Magnet Motor for Hybrid Electric Vehicles

1
State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
2
China North Vehicle Research Institute, Beijing 100072, China
3
Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China
*
Author to whom correspondence should be addressed.
Received: 19 July 2018 / Revised: 5 August 2018 / Accepted: 9 August 2018 / Published: 17 August 2018
(This article belongs to the Special Issue Demand Response in Electricity Markets)
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Abstract

On the basis of the excellent driving force demand of hybrid electric vehicles (HEVs), this paper studies the torque property of the compound-structure permanent-magnet motor (CSPM motor) used for HEVs, which is influenced by magnetic field oversaturation and variable nonlinear parameters. Firstly, the system configuration of HEVs based on CSPM motor and its working mode are introduced. Next, the state equation of CSPM motor in three-phase stationary coordinate system is proposed in order to investigate its torque performance; then, the factors affecting the output torque are gained. Finite element method (FEM)-based electromagnetic parameters analysis and design is carried out, to raise the output torque and reduce the torque ripple of CSPM motor. Besides, optimized design parameters are used to establish the FEM model, and the simulation results of electromagnetic performances for the CSPM motor before and after optimization are given to verify the rationality of optimization. View Full-Text
Keywords: hybrid electric vehicles; compound-structure permanent-magnet motor; torque property; working mode; state equation; parameters analysis and design hybrid electric vehicles; compound-structure permanent-magnet motor; torque property; working mode; state equation; parameters analysis and design
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Xu, Q.; Sun, J.; Tian, D.; Wang, W.; Huang, J.; Cui, S. Analysis and Design of a Compound-Structure Permanent-Magnet Motor for Hybrid Electric Vehicles. Energies 2018, 11, 2156.

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