Mostafa FereydoonianMichigan State University
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Mostafa Fereydoonian

Michigan State University

Ph.D. Candidate

Mostafa received his B.Sc. degree in electrical engineering from Shahid Beheshti University, Abbaspour School of Engineering, Tehran, Iran, in 2012. He is currently working toward the Ph.D. in electrical
engineering at Michigan State University. His research interests include rare-earth magnet-free electric machines, integrated motor drives, and high-power density drive design.

Presentations

Rare-Earth-Free Electric Machine Design for Traction Applications Considering Recycling Aspects

This paper focuses on designing a new wound-field flux-switching machine (WFFSM) that considers recycling its components once the machine's end of life (EoL) is reached, and the machine is scrapped. WFFSMs possess effective thermal management capability, fault tolerance, and improved flux-weakening through variable flux operation. WFFSMs have both field and armature windings in the stator, eliminating permanent magnets in the rotor for a simple and robust machine design (Fig.1). Both windings are wound around the stator yoke instead of the stator pole. The design is suggested with toroidal field and armature windings, which simplifies the access of the copper at the EoL. Besides easier winding extraction toward a recycling process, this kind of stator is relatively easy to manufacture with a higher fill factor. It also provides better cooling because the stator winding is directly exposed to the stator housing with a cooling jacket.

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