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Modifications to PM-assisted Synchronous Reluctance Machine to Achieve Rare-Earth Free Heavy-duty Traction

Al-ani, M.; Walker, A.; Vakil, G.; Gerada, D.; Gerada, C.; Paciura, K.

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Authors

M. Al-ani

ADAM WALKER Adam.WalkerEEE@nottingham.ac.uk
Assistant Professor

DAVID GERADA D.Gerada@nottingham.ac.uk
Professor of Electrical Engineering

K. Paciura



Abstract

Automotive applications require electrical machines designed for high torque density, wide speed range, and low cost. NdFeB magnets can achieve a high torque density and wide speed range, and however, they have a high cost. Therefore, this article explores the capability of rare-earth-free (REF) design through a PM-assisted synchronous reluctance (PM-SynRel) motor. A PM-SynRel design with NdFeB has been used in this study where the NdFeB magnets have been replaced with ferrite magnets. Then, several modifications on the rotor have been made to ensure mechanical safety. Thermal analysis has been conducted last to evaluate the temperatures in the different machine parts to avoid exceeding the required limits. Finally, a prototype has been made and tested to validate the simulation results.

Citation

Al-ani, M., Walker, A., Vakil, G., Gerada, D., Gerada, C., & Paciura, K. (2023). Modifications to PM-assisted Synchronous Reluctance Machine to Achieve Rare-Earth Free Heavy-duty Traction. IEEE Journal of Emerging and Selected Topics in Power Electronics, 11(2), 2029 -2038. https://doi.org/10.1109/jestpe.2022.3203184

Journal Article Type Article
Acceptance Date Aug 30, 2022
Online Publication Date Aug 31, 2022
Publication Date 2023-04
Deposit Date May 14, 2024
Publicly Available Date May 15, 2024
Journal IEEE Journal of Emerging and Selected Topics in Power Electronics
Print ISSN 2168-6777
Electronic ISSN 2168-6785
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 11
Issue 2
Pages 2029 -2038
DOI https://doi.org/10.1109/jestpe.2022.3203184
Public URL https://nottingham-repository.worktribe.com/output/10638296
Publisher URL https://ieeexplore.ieee.org/document/9870813

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