Rare-Earth Free EV and HEV Motor Drives: State of the Art

Conference: PCIM Europe 2018 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
06/05/2018 - 06/07/2018 at Nürnberg, Deutschland

Proceedings: PCIM Europe 2018

Pages: 8Language: englishTyp: PDF

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Cabezuelo, David; Ibarra, Edorta; Planas, Estefania; Kortabarria, Inigo; Garate, Jose Ignacio (University of the Basque Country (UPV/EHU), Spain)

Nowadays, permanent magnet synchronous machine technologies are being widely used in electric and hybrid electric vehicle applications due to their features and high power densities. However and considering rare-earth material cost fluctuations and supply concerns, the manufacturers and academia are working towards the introduction of rare-earth free alternatives. The main drawback of these alternatives is their lower power density. In this context, this paper reviews the recent advances achieved to provide competitive operational features for these alternative candidates, i.e., synchronous reluctance, permanent magnet assisted synchronous reluctance, induction and switched reluctance machines.