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Multiphysics Design of a High-Speed Permanent Magnet Machine for a Micro Gas Turbine Application

  • ZHENG Mengzi ,
  • HUANG Weiguang ,
  • GAO Chuang ,
  • WU Fuxian
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  • 1. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
    2. School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
    3. Innovation Academy for Light-duty Gas Turbine, Chinese Academy of Sciences, Beijing 100190, China
    4. Helan Turbines Co., Ltd, Shanghai 210815, China

网络出版日期: 2023-11-30

基金资助

This work is supported in part by the Key Programs of Chinese Academy of Sciences (No. ZDRW-CN-2017-2), in part the Innovation Academy of Light-duty Gas Turbine (No. E0210E1231), in part by the Natural Science Foundation of Shanghai (No. 19ZR1423500).

版权

Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2022

Multiphysics Design of a High-Speed Permanent Magnet Machine for a Micro Gas Turbine Application

  • ZHENG Mengzi ,
  • HUANG Weiguang ,
  • GAO Chuang ,
  • WU Fuxian
Expand
  • 1. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
    2. School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
    3. Innovation Academy for Light-duty Gas Turbine, Chinese Academy of Sciences, Beijing 100190, China
    4. Helan Turbines Co., Ltd, Shanghai 210815, China

Online published: 2023-11-30

Supported by

This work is supported in part by the Key Programs of Chinese Academy of Sciences (No. ZDRW-CN-2017-2), in part the Innovation Academy of Light-duty Gas Turbine (No. E0210E1231), in part by the Natural Science Foundation of Shanghai (No. 19ZR1423500).

Copyright

Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2022

摘要

本文详细介绍了一款用于微型燃气轮机的80kW、60000rpm高速永磁电机的多物理场综合设计方法。首先,根据电磁与机械设计理论初步确定了高速永磁电机的电磁方案。然后,详细分析了碳纤维护套厚度、转子直径以及铁心长度对转子应力和转子动力学性能的影响,得到转子直径和铁心长度的优化范围。在此基础上,对多个电磁方案的电磁与损耗特性进行了优化分析,得到高速永磁电机的最终设计方案。然后,基于流固耦合模型对最终方案进行进行了热分析,以验证此方案的合理性。为了准确预测转子应力分布,将计算得到的电机温度场导入转子应力计算模型,并对碳纤维护套进行了分层、多角度缠绕,最终得到分别适用于样机制作和批量生产的转子模型。最后,基于上述高速永磁电机的设计,制作了样机进行性能试验,以验证此多物理设计方法的准确性。

本文引用格式

ZHENG Mengzi , HUANG Weiguang , GAO Chuang , WU Fuxian . Multiphysics Design of a High-Speed Permanent Magnet Machine for a Micro Gas Turbine Application[J]. 热科学学报, 2022 , 31(1) : 251 -260 . DOI: 10.1007/s11630-022-1540-x

Abstract

This paper presents a detailed and comprehensive multiphysics design process of an 80 kW, 60 000 r/min high-speed permanent magnet machine (HSPMM) for a micro gas turbine application. First, the preliminary design of the HSPMM is carried out according to the mechanical and electromagnetic theory. Afterwards, the influence of carbon fiber sleeve (CFS) thickness, rotor diameter and core length on rotor stress and rotor dynamics is carefully analyzed to obtain the optimal range of rotor diameter and core length. On this basis, the electromagnetic and power loss characteristics are analyzed in detail to obtain the final design scheme. Fluid-solid coupling model is used to calculate the temperature field of the HSPMM to verify the rationality of the scheme. The rotor thermal stress analysis considering the multi-layer and multi-angle winding of CFS is carried out to obtain the rotor models suitable for prototype and mass production, respectively. Finally, the prototypes are manufactured and tested to verify the reliability of the multiphysics design process.

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