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An Enhanced Axial-flux Magnetic-geared Machine with Dual-winding Design for Electric Vehicle Applications

作     者:Weinong Fu Qinying Wu Shuangxia Niu Yuanxi Chen Xinhua Guo Weinong Fu;Qinying Wu;Shuangxia Niu;Yuanxi Chen;Xinhua Guo

作者机构:Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen518055China college of information science and engineeringHuaqiao UniversityFujian361021China IEEE The Hong Kong Polytechnic UniversityHong Kong999077China 

出 版 物:《中国电工技术学会电机与系统学报(英文)》 (China Electrotechnical Society Transactions on Electrical Machines and Systems)

年 卷 期:2023年第7卷第3期

页      面:239-247页

核心收录:

学科分类:08[工学] 0807[工学-动力工程及工程热物理] 0701[理学-数学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 0823[工学-交通运输工程] 

基  金:supported by the National Natural Science Foundation of China (Grant No. 52277049) the Industry-university-research Cooperation Project in Fujian Province University and Enterprise (Grant No. 2022H6026) the National Key Research and Develop Plan,Special Project of “New Energy Vehicles”(Grant No. 2022YFB2502802-2-1)。 

主  题:Axial-flux Dual-winding Magnetic-geared machine Torque enhancement 

摘      要:Axial-flux magnetic-geared machine(MGM) is a promising solution for electric vehicle applications for combining the virtues of both axial-flux electric machine and magnetic gear. However, generalized MGMs are limited by the torque density issue, accordingly inapplicable to industrial applications. To solve the abovementioned issue, an improved axial-flux magnetic-geared machine with a dual-winding design is proposed. The key merit of the proposed design is to achieve enhanced torque performance and space utilization with the proposed design, which installs a set of auxiliary winding between modulation rings. With the proposed design, overload protection capability, and fault-tolerant capability can be also achieved, for the proposed machine can work with either the excitation of armature windings or auxiliary windings. The pole-pair, slot combination, and parametric design is studied and optimized by the 3d finite-element method and designed C++ optimization software. Electromagnetic analysis and performance comparison indicate that the proposed machine can achieve a torque enhancement of 68.6% compared to the comparison machine.

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