ALPHA DRIVES ON POWERFUL AND EFFICIENT MOTOR TECHNOLOGY
Alpha is integrating powerful and efficient 3-in-1 (Motor, Inverter, Gearbox) EDU systems into its Wolf truck test vehicles.
Here is a video of the EDUs (Electric Drive Units) on the test bench.
Here is a video of the motor assembly in production - EDU production shaft assembly process.
3-in-1 (Motor, Gearbox, Inverter) Electric Drive Unit (EDU) Specifications
400V Single Speed EDU for Rear Axle
Motor
Motor Type: Permanent Magnet Synchronous Motor (PMSM)
Power (Peak/Continuous): 150 / 75 (kW)
Torque (Peak / Continuous): 350 / 160 (Nm)
Max Motor Speed: 15,000 (rpm)
Weight: Motor 45 (kg)
Gearbox
Gearbox Type: 2 Stage Spur Gear with Differential
Gear Ratio: 9.53, 8.5
Torque (Peak / Continuous): 3,335 / 1,524 (Nm), 2975 / 1360 (Nm)
Max Speed: 1,574 (rpm), 1,746 (rpm)
Peak Efficiency of EDU: >94% @ Motor
Inverter
Power Electronic: PE250
Peak Performance (30s): 500 Arms @ 60V~450V
Continuous Performance: 250 Arms @ 60V~450
*Not exhaustive. Information is provided for illustrative purposes and subject to change.