A Novel Single-Turn Permanent Magnet Synchronous Machine for Electric Aircraft

Zeyu Cheng, Zhi Cao, John T. Hwang and Chris Mi ()
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Zeyu Cheng: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
Zhi Cao: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA
John T. Hwang: Department of Mechanical and Aerospace Engineering, University of California San Diego, La Jolla, CA 92023, USA
Chris Mi: Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA 92182, USA

Energies, 2023, vol. 16, issue 3, 1-14

Abstract: This paper proposes a novel multi-phase single-turn permanent magnet synchronous motor (MSPMSM) to meet the stringent requirements of electric aircraft, such as high power density, high torque, and low mass and volume. The MSPMSM features a unique single-turn winding configuration, which can reduce the coil overhang, increase the power density and torque, and reduce the weight of the motor in conventional multi-turn motors. The proposed MSPMSM is studied by the finite element method (FEM) and compared to a conventional PMSM with the same geometry and PM usage. The performance comparison results under different load conditions show that the proposed MSPMSM has higher torque and power density than the conventional motor.

Keywords: coil configuration; more electric aircraft; multiphase permanent magnet synchronous motor (PMSM); power density (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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