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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Optimization Design of Power Factor for an In-Wheel Vernier PM Machine From the Perspective of Air-Gap Harmonic Modulation
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Optimization Design of Power Factor for an In-Wheel Vernier PM Machine From the Perspective of Air-Gap Harmonic Modulation

机译：空气间隙谐波调制视角下载车载车载PM机功率因数优化设计

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摘要

In this article, an optimization design method of power factor is proposed for vernier permanent magnet (VPM) machine, in which the key is to analyze and investigate the power factor from the perspective of air-gap flux harmonic modulation. To improve the design efficiency, air-gap harmonics are analyzed and serve as the crucial bridge between power factor and machine geometry. It is noted that, during the operation of the VPM machine, more attention is required for the power factor of low-speed operation area. Based on the popular new European driving cycle of the electric vehicles, three low-speed driving conditions are chosen for the optimization design. For the systematic investigation, a V-shape VPM machine is selected as an optimization example. In order to evaluate conveniently, the comprehensive power factor is defined and sensitive air-gap flux harmonics of different conditions are selected as the optimization objectives, for improving the power factor characteristics in low-speed conditions. In addition, power factor and machine performances are evaluated to validate the proposed method. Finally, the prototype machine is built and tested. Both the simulation and experimental results reveal the feasibility and effectiveness of the proposed method and investigated VPM machine.
机译：在本文中，提出了一种用于游标永磁体（VPM）机器的功率因数的优化设计方法，其中密钥是从空气间隙助长谐波调制的角度分析和研究功率因数。为了提高设计效率，分析空气间隙谐波，并用作功率因数和机器几何形状之间的关键桥梁。应注意，在VPM机器的操作期间，低速操作区域的功率因数需要更多的关注。基于流行的新欧洲电动车驾驶循环，选择了三种低速驾驶条件，可供优化设计。为了系统调查，选择V形VPM机作为优化示例。为了方便地评估，定义综合功率因数，并选择不同条件的敏感空气间隙通量谐波作为优化目标，用于提高低速条件下的功率因数特性。此外，评估功率因数和机器性能以验证所提出的方法。最后，构建并测试了原型机。仿真和实验结果均揭示了所提出的方法和研究VPM机的可行性和有效性。

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