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首页> 外文期刊>Industry Applications, IEEE Transactions on >Efficient Utilization of Rare Earth Permanent-Magnet Materials and Torque Ripple Reduction in Interior Permanent-Magnet Machines
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Efficient Utilization of Rare Earth Permanent-Magnet Materials and Torque Ripple Reduction in Interior Permanent-Magnet Machines

机译：高效利用稀土永磁材料并降低内部永磁电机的转矩脉动

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摘要

This paper proposes a new interior permanent-magnet machine (IPMM) design in which the rotor consists of several rotor segments arranged in the axial direction, aiming to improve the utilization of rare earth permanent-magnet (PM) materials and reduce the torque ripple. The proposed design is optimized to feature a 21% reduction of rare earth PM materials and a 50% reduction of ripple torque ratio compared with the Camry 2007 design, which uses the conventional pole-shaping technique to suppress its torque ripple. Although the torque is reduced by 9% , the torque per magnet weight is improved by 15% , indicating the PMs are more efficiently used in the proposed design. The designs are verified by 3-D finite element. Despite the small torque reduction, the efficiency of the proposed design is still about the same as the Camry design.
机译：本文提出了一种新型的内部永磁电机（IPMM）设计，其中转子由沿轴向排列的多个转子段组成，旨在提高稀土永磁（PM）材料的利用率并减少转矩波动。与采用传统磁极整形技术来抑制其转矩脉动的Camry 2007设计相比，该建议的设计经过了优化，以减少21％的稀土永磁材料和50％的脉动转矩比。尽管转矩降低了9％，但每磁体重量的转矩却提高了15％，这表明在所提出的设计中更有效地使用了PM。设计通过3D有限元验证。尽管减小了较小的扭矩，但建议的设计效率仍与Camry设计相同。

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  • 来源
    《Industry Applications, IEEE Transactions on》 |2017年第4期|3485-3495|共11页
  • 作者

    Zhentao S. Du; Thomas A. Lipo;

  • 作者单位

    Wisconsin Electric Machines and Power Electronics Consortium, Department of Electrical and Computer Engineering, University of Wisconsin–Madison, Madison, WI, USA;

    Wisconsin Electric Machines and Power Electronics Consortium, Department of Electrical and Computer Engineering, University of Wisconsin–Madison, Madison, WI, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Rotors; Torque; Optimization; Iron; Cavity resonators; Stator windings;

    机译：转子;转矩;优化;铁;腔谐振器;定子绕组;

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