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Minerals glossary

Permanent magnet synchronous motor

Also called PMSM, PMSG, permanent magnet motor, externally excited synchronous motor, EESM, wound-rotor motor

An electric motor with permanent magnets in its rotor, the most efficient and common type for electric vehicles. Wound-rotor and induction motors avoid rare earths.

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Related terms

Rare earths and permanent magnets

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