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Lookup NU author(s): Dr Kia Kimiabeigi, Dr James Widmer, Ben Scholes
This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2018.
For re-use rights please refer to the publisher's terms and conditions.
Due to the volatility of the cost and sustainability concerns associated with the rare earth permanent magnets, alternative product designs using less or no rare earth contents have, recently, gained popularity. Another method to address this need is to apply a magnet recycling process, such as the novel HPMS (Hydrogen Processing of Magnetic Scrap) which can be applied to the end of life products such as Hard Drive Disks (HDDs). Despite the growing research on the background science of different recycling techniques, a practical make, use and evaluation of recycled magnets in a real life application, is rarely attended. To address this gap, in this paper and for the first time, the viability of the HPMS recycled magnets for use in a permanent magnet traction motor is investigated. On this basis, a detailed description and testing of the recycling process and the magnet production for a customized traction motor design is provided. Furthermore, the behavior of the motor using the final magnet product is analyzed using simulations and prototype testing. Based on the results, the proposed recycled magnets satisfy the overall requirements, while demonstrating similar or better electromagnetic performance compared to the alternative low cost ferrite magnets.
Author(s): Kimiabeigi M, Sheridan R, Widmer J, Walton A, Farr M, Scholes B, Harris R
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Industrial Electronics
Year: 2018
Volume: 65
Issue: 5
Pages: 3795-3804
Print publication date: 01/05/2018
Online publication date: 12/10/2017
Acceptance date: 21/09/2017
Date deposited: 13/10/2017
ISSN (print): 0278-0046
ISSN (electronic): 1557-9948
Publisher: IEEE
URL: https://doi.org/10.1109/TIE.2017.2762625
DOI: 10.1109/TIE.2017.2762625
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