复合材料科学与工程 ›› 2022, Vol. 0 ›› Issue (1): 68-72.DOI: 10.19936/j.cnki.2096-8000.20220128.010

• 应用研究 • 上一篇    下一篇

高速永磁电机转子碳纤维护套张力缠绕仿真分析

肖剑雄, 周向, 申政   

  1. 中车株洲电机有限公司 永磁电机技术湖南省重点实验室,株洲412001
  • 收稿日期:2021-04-29 出版日期:2022-01-28 发布日期:2022-02-10
  • 作者简介:肖剑雄(1993-),男,硕士,助理工程师,主要从事电机机械结构设计及新材料应用技术方面的研究,xjx931208@163.com。
  • 基金资助:
    湖南省高新技术产业科技创新引领计划(2020GK2083)

Simulation on tension winding of the carbon fiber reinforced plastic rotor sheath for high-speed permanent magnet motor

XIAO Jian-xiong, ZHOU Xiang, SHEN Zheng   

  1. Hunan Key Laboratory of Permanent Magnet Motor Technology, CRRC Zhuzhou Electric Co., Ltd., Zhuzhou 412001, China
  • Received:2021-04-29 Online:2022-01-28 Published:2022-02-10

摘要: 对于表贴式结构的高速永磁电机,其转子永磁体在高速旋转时产生的较大离心力作用下易于发生破坏。采用张力缠绕技术制备的碳纤维复合材料转子护套可以有效确保电机转子安全稳定运行。通过ANSYS Workbench对一台高速永磁电机表贴式转子碳纤维护套张力缠绕进行了有限元仿真分析。结果表明,通过等效温度场法与生死单元法建立的有限元模型较为准确地模拟出了缠绕过程中受应力松弛效应作用下的护套应力场,从而为后续转子运行工况仿真计算提供了输入条件。此外,在纤维缠绕预应力作用下,护套对转子产生的预紧压力可以确保在转子运行过程中永磁体与转轴始终处于压紧状态,并且护套与永磁体仍处于强度安全范围内,转子保持安全稳定运行。

关键词: 有限元分析, 高速永磁电机, 转子护套, 碳纤维复合材料, 张力缠绕

Abstract: For the high-speed permanent magnet motor with the surface-mounted structure, the magnet cannot bear the centrifugal force due to the high-speed rotation and is easy to break. Via the tension winding technology, the carbon fiber reinforced plastic (CFRP) rotor sheath can effectively guarantee the safe and steady operation of the rotor. By the ANSYS Workbench software, finite element analysis was conducted on the tension winding of the CFRP rotor sheath for a surface-mounted high-speed permanent magnet motor. The results show that the finite element model can accurately simulate the stress field of the sheath during the winding process. Besides, under the predetermined winding stress on the fiber, the magnet and the shaft can keep the tight contact during the running process of the rotor, with their stress level maintained below the ultimate limit.

Key words: finite element analysis, high-speed permanent magnet motor, rotor sheath, CFRP, tension winding

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