Rare-Earth Free Unity Power Factor Bi-Axial Excitation Synchronous Machine for Traction Applications - Chattopadhyay, Ritvik; Jung, Junyeong; Islam, Md. Sariful; Boldea, Ion; Husain, Iqbal (IEEE transactions on industry applications, 2024)
Keywords: Air gaps; Coils (windings); Demagnetization; Electric vehicles; Excitation; ferrite magnets; Finite element method; Magnets; Power factor; Prototypes; Rare earth elements; rare-earth free; Reactive power; Rotors; Stator windings; Supply chains; Synchronous machines; Topology; Torque; Traction; traction motor; Two dimensional analysis; Unity; unity power factor; Windings; wound field synchronous machine