Rare-Earth-Rotors: Dead or Alive? Tackling In-Situ Magnetization Challenges across Magnet Materials and Geometries

Rare-earth-free permanent magnet rotors are gaining increasing attention as a

promising solution for sustainable and cost-effective electric motor designs.

This presentation highlights the continued relevance and utility of permanent

magnets in supporting synchronous motor technologies. We explore novel rotor

geometries and materials to optimize magnetizability.

Additionally, the presentation provides design recommendations for lamination

patterns, offering practical insights to enhance efficient manufacturability.

These advancements aim to balance performance, cost, and sustainability in

next-generation electric motor systems.