一种用于电动汽车的双绕组增强型轴向磁通磁齿轮电机

Weinong Fu;Qinying Wu;Shuangxia Niu;Yuanxi Chen;Xinhua Guo
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引用次数: 0

摘要

轴流磁齿轮电机(MGM)结合了轴流电机和磁齿轮的优点,是一种很有前途的电动汽车应用解决方案。然而,广义MGM受到转矩密度问题的限制,因此不适用于工业应用。为了解决上述问题,提出了一种采用双绕组设计的改进型轴向磁通磁齿轮电机。所提出的设计的主要优点是通过在调制环之间安装一组辅助绕组来提高转矩性能和空间利用率。通过所提出的设计,还可以实现过载保护能力和容错能力,因为所提出的机器可以在电枢绕组或辅助绕组的励磁下工作。采用三维有限元方法对极对、槽组合和参数化设计进行了研究和优化,并设计了C++优化软件。电磁分析和性能比较表明,与比较机器相比,所提出的机器可以实现68.6%的扭矩增强。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Enhanced Axial-Flux Magnetic-Geared Machine with Dual-Winding Design for Electric Vehicle Applications
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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