Green Operations

UQM Technologies Introduces 125 kW Propulsion System

May 13, 2008

FREDERICK, CO – UQM Technologies, Inc. (, a developer of alternative energy technologies, has introduced and is taking orders for a new 125 kW (168 horsepower) peak power UQM proprietary permanent magnet propulsion system. The new propulsion system is suitable for high performance automotive applications including all-electric, plug-in hybrid, and series hybrid vehicles.

The propulsion system has a continuous power rating of 45 kW (60 horsepower), delivers peak torque of 300 N-m (221 ft-lbs) and continuous torque of 160 N-m (118 ft-lbs), and now has the highest peak power density of any of the company's propulsion systems. With a diameter of only 280 mm (11 inches) and a weight of 41 kg (90 lbs), this motor fits easily in subcompact passenger vehicles. The system also features optimized four-quadrant performance, dynamic torque, speed and voltage control, and system energy efficiency of more than 90 percent across substantially its entire performance regime.

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