Mitigation of AC Winding Losses for Aircraft Propulsion Motors

Hebala, Ahmed; Nuzzo, Stefano; Connor, Peter H.; Volpe, Giuseppe; Gerada, Chris; Galea, Michael

Abstract

In this paper, the AC copper losses are investigated and mitigated for different permanent magnet synchronous motor designs. AC copper losses can represent a substantial share of the total loss in electrical machines. In an application such as aerospace, it is more demanding to optimise all aspects of the motor design. Recently, different approaches to modelling the AC copper losses have been proposed. This paper utilises simulation software to quantify the expected AC losses from six different propulsion motor designs. The motor designs are then modified to reduce the AC winding losses. Using two-dimensional finite element analysis, the motor slot openings are modified such that an optimum design with reduced losses is achieved. The paper considers distributed, fractional slot and concentrated windings, and the results show promising reductions across these different winding configurations.

Citation

Hebala, A., Nuzzo, S., Connor, P. H., Volpe, G., Gerada, C., & Galea, M. (2022, October). Mitigation of AC Winding Losses for Aircraft Propulsion Motors. Presented at IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society, Brussels, Belgium

• Presentation Conference Type: Conference Paper (published)
• Conference Name: IECON 2022 – 48th Annual Conference of the IEEE Industrial Electronics Society
• Start Date: Oct 17, 2022
• End Date: Oct 20, 2022
• Acceptance Date: Oct 17, 2022
• Online Publication Date: Dec 9, 2022
• Publication Date: Oct 17, 2022
• Deposit Date: Jan 15, 2025
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Series Title: Proceedings of the Annual Conference of Industrial Electronics Society
• Series ISSN: 1553-572X
• Book Title: IECON 2022 - 48th Annual Conference of the IEEE Industrial Electronics Society
• ISBN: 9781665480260
• DOI: https://doi.org/10.1109/iecon49645.2022.9968846
• Public URL: https://nottingham-repository.worktribe.com/output/15432152
• Publisher URL: https://ieeexplore.ieee.org/document/9968846