INTRODUCING THE NEW

SUMO MD

NOW DOING MORE
WITH LESS.

s

TECHNOLOGICAL IMPROVEMENT

TECHNOLOGICAL
IMPROVEMENT

As of now, the main rotor technology found inside TM4’s electric motors was based on surface-mounted outer rotor topology in which the magnets are installed directly to a rigid carbon steel rotor. The desire to limit the use of rare-earth magnets, due to their high price and volatility, has resulted in a technology choice that leverages the reluctance torque of TM4’s external rotor design and decrease by 25% the use of rare-earth magnets.

By replacing some of the magnets by soft magnetic composites (SMC), variable reluctance adds 45% extra torque compared to previous technology in same package dimensions. Another benefit of variable reluctance is that it lowers short-circuit current and thus reduces the braking torque generated in a short circuit, minimizing the risks associated to such an event.

45%

MORE TORQUE AND SPEED

25%

RARE-EARTH MAGNETS REDUCTION

ULTIMATELY,

this technology advancement allows for a more cost effective drivetrain with higher performances.
LSM200C-HV2200
Max/continuous torque: 2200/1145 Nm
Operational speed: 0-3500 RPM
LSM200C-HV2600
Max/continuous torque: 2600/1145 Nm
Operational speed: 0-3500 RPM
LSM200C-HV3000
Max/continuous torque: 3000/1145 Nm
Operational speed: 0-3000 RPM
Efficiency at minimal operation: 95%
Max/continuous power: 250 / 150 kW
Operating battery voltage: 300 – 750 Vdc
Communication: CAN 2.0b
Inverter: CO200-HV
Motor weight: 228 kg
Controller weight: 26 kg
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