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 50 kg electric motor powering the BMW i3 generates a maximum output of 125 kW for a specific power (SP) of 2.5 The motor offers linear power delivery extending into high rev ranges, with maximum revs of 11,400 rpm. Background. Permanent magnet motors deliver reluctance torque as well as permanent magnet (PM) torque.
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