多电飞机高功率密度高效电机系统热管理技术

  • 张卓然 ,
  • 张健 ,
  • 胡光源 ,
  • 薛涵 ,
  • 李涵琪 ,
  • 于立
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  • 南京航空航天大学

收稿日期: 2024-10-11

  修回日期: 2024-12-02

  网络出版日期: 2024-12-05

基金资助

电推进系统高转矩密度电机及驱动技术研究(国家自然科学基金(重点项目));定子励磁高速双凸极发电机损耗发热机理与油冷关键技术研究(国家自然科学基金(面上项目))

Thermal Management Technologies of High-Power-Density High-Efficiency Electric Machine System for More-Electric Aircraft

  • ZHANG Zhuo-Ran ,
  • ZHANG Jian ,
  • HU Guang-Yuan ,
  • XUE Han ,
  • LI Han-Qi ,
  • YU Li
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Received date: 2024-10-11

  Revised date: 2024-12-02

  Online published: 2024-12-05

摘要

电机是多电飞机供电与电驱动系统的核心单元,在提升飞机综合性能方面发挥关键作用。高效热管理是保障电机系统可靠安全运行以及支撑多电飞机能量优化的重要方向。本文首先总结了多电飞机上电机系统的作用及其高功率密度高效、高可靠应用特点,从热源、散热条件与应用环境三个层面分析了电机系统面临的热问题和挑战,进一步指出多电飞机电机系统高效冷却和热管理的必要性,论述了电机系统中损耗抑制、热隔离/热传导与热排散等关键技术。在此基础上提出了多电飞机电机系统主动温控和综合热管理概念,从飞机总体及机载系统层面对电机系统的冷却和热管理进行考量,为电机系统核心部件的优化设计提供新思路和要求。

本文引用格式

张卓然 , 张健 , 胡光源 , 薛涵 , 李涵琪 , 于立 . 多电飞机高功率密度高效电机系统热管理技术[J]. 航空学报, 0 : 1 -0 . DOI: 10.7527/S1000-6893.2024.31380

Abstract

Electric machine is the core unit of the power supply and electric drive system of more electric aircraft, playing a key role in improving the comprehensive performance of aircraft. The advanced thermal management approaches are crucial foundations to achieve energy optimization for more electric aircraft. The function of the electric machine system on the more electric aircraft and its application characteristics of high power density, high efficiency and high reliability are firstly summarized in this paper. Thermal management problems and challenges encountered by electric machine systems are analyzed, focusing on the heat sources, heat dissipation conditions, and application environment, which further confirms the necessity of efficient cooling and thermal management for electric machine systems in more electric aircraft. Moreover, key technologies in loss suppression, heat isolation/conduction and heat dissipation of electric machine systems are discussed in detail. Based on the analysis above, concepts of active temperature control and integrated thermal management for electric machines in more electric aircraft are proposed. The cooling and thermal management of the electric machine systems are considered from the levels of the aircraft and the airborne system, providing new ideas and requirements for the optimal design of the core components in electric machine systems.

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