BMW’s hybrid motor design seeks to deliver high efficiency and power density with lower rare earth use
Green Car Congress
AUGUST 13, 2013
A key element in this is attaining weight, volume, efficiency, and cost targets for the PE and EM subsystems of the traction drive system using novel traction motor designs that result in increased power density and lower cost. DC, AC induction, permanent magnet, switched reluctance, and axial flux.
326 
Let's personalize your content