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Influence of Keybar-slot on Torque Characteristics of Direct-Drive Permanent-Magnet Brushless Machines
编号：52 访问权限：仅限参会人 更新：2022-08-11 13:37:12 浏览：416次 口头报告

报告开始：暂无开始时间（Asia/Shanghai）

报告时间：暂无持续时间

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摘要
    The keybar-slots are inevitable and necessary for the installation of torque motor used for CMG (Control moment gyro) for the satellite This paper investigates the influence of keybar-slot on torque characteristics of direct-drive permanent-magnet brushless DC (PM BLDC) motor. The model and specification are illustrated. Then the keybar-slot effects on torque characteristics are analyzed through finite element analysis (FEA). It shows that high localized magnetic saturation due to stator asymmetry can significantly increase cogging torque and torque ripple. An effective method has been proposed to improve the asymmetry by applying five uniformed distributed keybar-slots in the stator yoke.
 
关键词
PM BLDC motor; Cogging torque; Keybar-slot; High localized magnetic saturation; FEA.
报告人
Wenqi Fu
Beijing Institute of Aerospace Control Devices

稿件作者
Wenqi Fu Beijing Institute of Aerospace Control Devices
Liu Yang Yanshan University
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重要日期

  • 会议日期

    11月03日

    2022

    至

    11月05日

    2022

  • 08月01日 2022

    初稿截稿日期

  • 11月04日 2022

    注册截止日期

  • 11月05日 2022

    报告提交截止日期

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Huazhong University of Science and Technology
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