BMW’s hybrid motor design seeks to deliver high efficiency and power density with lower rare earth use
Green Car Congress
AUGUST 13, 2013
The motor offers linear power delivery extending into high rev ranges, with maximum revs of 11,400 rpm. As one point of comparison, the permanent magnet motor in the 2011 Nissan LEAF was rated at 80 kW from a 58 kg motor, for a SP of 1.38 Background. Reluctance motors include no magnet material on their rotors.
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