Study on rotor EDDY current loss of double-winding permanent magnet fault-tolerant motor for electro-hydrostatic actuator applications
Study on rotor EDDY current loss of double-winding permanent magnet fault-tolerant motor for electro-hydrostatic actuator applications
- Author(s): Q. Zhao 1 ; Y. Hu 2 ; P. Zhang 2 ; L. Yang 2
- DOI: 10.1049/icp.2021.0354
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- Author(s): Q. Zhao 1 ; Y. Hu 2 ; P. Zhang 2 ; L. Yang 2
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View affiliations
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Affiliations:
1:
AVIC Aerospace System CO., LTD , No.5 Yard Shuguang Xili, Beijing, China ;
2: Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration , Nanjing Engineering Institute of Aircraft Systems , No 33, Shuige Road, Nanjing, China
Source:
CSAA/IET International Conference on Aircraft Utility Systems (AUS 2020),
2021
p.
353 – 358
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Affiliations:
1:
AVIC Aerospace System CO., LTD , No.5 Yard Shuguang Xili, Beijing, China ;
- Conference: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2020)
- DOI: 10.1049/icp.2021.0354
- ISBN: 978-1-83953-419-5
- Location: Online Conference
- Conference date: 18-21 September 2020
- Format: PDF
Rotor eddy current losses of a double-winding high-speed permanent magnet fault-tolerant motor for electro-hydrostatic actuator (EHA) applications are studied in this paper. Firstly, the rotor eddy current losses of dual-winding high-speed permanent magnet fault-tolerant motors with different winding modes are studied. Then, the rotor eddy current losses of different magnetic retaining sleeve materials such as stainless steel, titanium alloy and carbon fiber are calculated accurately. The problem of slot opening and slot segmentation in high speed permanent magnet motor with concentrated winding is analysed. Finally, a double-winding high-speed permanent magnet fault-tolerant motor prototype was fabricated to verify the analysis results.
Inspec keywords: eddy current losses; rotors; fault tolerance; finite element analysis; titanium alloys; machine windings; permanent magnet machines; permanent magnet motors
Subjects: Finite element analysis; Synchronous machines; a.c. machines; d.c. machines
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