Design and Experimental Investigation of a Hybrid Rotor Permanent Magnet Modular Machine with 3D Flux Paths Accounting for Recyclability of Permanent Magnet Material

Adolfo Garcia Gonzalez, Dong Wang, Jean-Marc Dubus, Peter Omand Rasmussen

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Abstract

Rare-earth metals used for manufacturing Permanent Magnets (PMs) remain classified as critical raw materials by the European Commission. In order to secure the supply of electrical machines due to the increasing demand of Hybrid and Full Electrical Vehicles ((H)EVs), recycling has emerged as a valuable alternative. Hence, this paper presents the concept of a modular PM machine with a hybrid rotor and 3D flux paths, for application in ((H)EVs). The proposed machine topology is intended to facilitate the extraction of PM material towards a recycling process. The selection of a machine for prototyping is carried out by investigating the effect of the variation of the number of rotor teeth and stator modules on various parameters, with models developed in Finite Element (FE). Finally, the models developed of the selected combination were validated with a detailed experimental evaluation of the prototype.
Original languageEnglish
Article number1342
JournalEnergies
Volume13
Issue number6
Number of pages22
ISSN1996-1073
DOIs
Publication statusPublished - Mar 2020

Keywords

  • Electric Vehicles
  • Finite Element Analysis
  • Permanent magnets
  • Permanent magnet machines
  • Recycling
  • E-shaped cores
  • 3D-flux

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