BMW I01 Product Information page 24

I01￿High-voltage￿Components
3.￿Electric￿Motor
operation￿during￿brake￿energy￿regeneration.￿However,￿in￿practice￿only￿a￿fractional￿part￿of￿this￿maximum
value￿is￿used￿in￿alternator￿operation.￿As￿a￿result,￿the￿braking￿torque￿at￿the￿rear￿axle￿is￿restricted￿so￿as
not￿to￿affect￿the￿driving￿stability￿by￿the￿brake￿energy￿regeneration.
Power￿and￿torque￿diagram￿for￿IB1P25B￿machine￿compared￿to￿the￿N52B30U1￿engine
The￿power￿and￿torque￿diagram￿shown￿here￿is￿not￿the￿full￿load￿diagram.￿Instead,￿the￿data￿was￿recorded
at￿a￿lower￿supply￿voltage,￿as￿it￿occurs,￿for￿example,￿during￿a￿partially￿charged￿high-voltage￿battery.
Nevertheless,￿the￿data￿of￿the￿electrical￿machine￿are￿impressive￿and￿do￿not￿need￿to￿fear￿comparison
with￿the￿N52B30U1￿engine.￿The￿following￿properties￿are￿characteristic￿of￿the￿electrical￿machine
IB1P25B￿in￿the￿I01:
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