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

LU Jiawei; ZHANG Zhuoran; LI Jincai; KONG Xianghao

doi:10.7527/S1000-6893.2021.25230

ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2022 , Vol. 43 >Issue 5: 325230 - 325230

DOI: https://doi.org/10.7527/S1000-6893.2021.25230

Electronics and Electrical Engineering and Control

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

LU Jiawei ,
ZHANG Zhuoran ,
LI Jincai ,
KONG Xianghao

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1. Center for More-Electric-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received date: 2021-01-07

Revised date: 2021-02-17

Online published: 2021-07-09

Supported by

National Natural Science Foundation of China (U2141223); Jiangsu Provincial "333 Project" Funds for High-Level Talents under Award (BRA2020042); Fund of Jiangsu Province Key Laboratory of Aerospace Power System (CEPE2020002)

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Abstract

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.

Key words： electric propulsion aircraft; propulsion motor; dual-channel permanent magnet synchronous machine; phase-shifted dual three-phase winding; electromagnetic characteristic; loss distribution characteristic; redundant output capability

Cite this article

LU Jiawei , ZHANG Zhuoran , LI Jincai , KONG Xianghao . Characteristic analysis of dual-winding permanent magnet synchronous machine with phase-shifted windings for electric propulsion aircraft[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022 , 43(5) : 325230 -325230 . DOI: 10.7527/S1000-6893.2021.25230

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