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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2023, Vol. 44 ›› Issue (9): 27469-027469.doi: 10.7527/S1000-6893.2022.27469

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Technology development of high temperature superconducting machine for electric aviation

Dongbin SONG1, Juzhuang YAN1, Wenjiang YANG1,2(), Mingliang BAI1, Rujing LIU3, Shaopeng WANG1, Yu LIU1, Aimei TIAN1   

  1. 1.School of Astronautics,Beihang University,Beijing 100191,China
    2.Ningbo Institute of Technology,Beihang University,Ningbo 315800,China
    3.Beijing Institute of Aerospace Control Devices,Beijing 100854,China
  • Received:2022-05-19 Revised:2022-06-02 Accepted:2022-07-04 Online:2023-05-15 Published:2022-07-08
  • Contact: Wenjiang YANG E-mail:yangwjbuaa@buaa.edu.cn
  • Supported by:
    National Natural Science Foundation of China(11772025)

Abstract:

The superconducting machine has prospects of a wide range of applications in aviation electric propulsion due to its advantages such as small size, high power density, and high efficiency. The characteristics and current situation of the superconducting pure/hybrid electric drive systems are compared, showing the importance of the superconducting machine for high power aviation electric propulsion. In view of different requirements for motors and generators for the superconducting electric drive system for high power aviation electric propulsion, the operating principles and structural topologies of those prototypes of High Temperature Superconducting (HTS) machines studied in the past are reviewed and classified, and the advantages and disadvantages are summarized and analyzed. On this basis, the key technologies of superconducting machine are outlined in terms of superconducting technology, AC superconducting armature, rotor technology, cryogenic technology and insulation technology. Under the background of aviation electrification, the progress in the application of superconducting electric drive system in aviation electric propulsion is outlined, and future development of superconducting electric aviation is also discussed.

Key words: aviation electric propulsion, superconducting electric drive system, superconducting machine, DC superconducting magnet, AC superconducting armature, superconducting rotor technology, cryogenic technology, insulation technology, emerging aviation

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