Characteristic analysis of dual-winding permanent magnet synchronous machine with phase-shifted windings for electric propulsion aircraft

被引：0
作者：
Lu J. [1 ]
Zhang Z. [1 ]
Li J. [1 ]
Kong X. [1 ,2 ]
机构：
[1] Center for More-Electric-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2022年 / 43卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Dual-channel permanent magnet synchronous machine; Electric propulsion aircraft; Electromagnetic characteristic; Loss distribution characteristic; Phase-shifted dual three-phase winding; Propulsion motor; Redundant output capability;
D O I：
10.7527/S1000-6893.2021.25230
中图分类号：
学科分类号：
摘要：
This paper studies the dual-channel permanent magnet synchronous machine of the aircraft electric propulsion system. Firstly, the redundant output principle of the dual-channel machine system on the electric propulsion aircraft is explained. Then, the different forms of dual three-phase winding structures are compared. A dual-channel permanent magnet synchronous machine with phase-shifted dual three-phase windings is proposed. The electromagnetic characteristics of the dual three-phase synchronous machine with phase-shifted windings are emphatically studied. Also, the stator loss distribution characteristics are analyzed. Combining the cooling capacity and the stator loss distribution characteristics, the single-channel output capacity of the proposed dual-channel permanent magnet synchronous machine when a partial failure occurs is calculated. Finally, a 110 kW dual-channel permanent magnet synchronous machine prototype is developed. The analysis results are verified through experiments. The calculation results show that the machine can maintain an output power of at least 70% rated power when operating with a single channel, which can provide redundant power for the aircraft in emergency. © 2022, Beihang University Aerospace Knowledge Press. All right reserved.
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