UQM Technologies announced the introduction of its most powerful electric drive PowerPhase HD 250 that consists of a permanent magnet motor/generator and a full-featured digital signal processor (DSP) based controller.

This is a heavy-duty drive unit for high-voltage applications of 450-750 volts that complements the earlier PowerPhase HD 220 and PowerPhase HD 950T.

PowerPhase HD 250 provides 900 Nm (664 lb-ft) peak torque and 250 kW of peak power.

UQM Technologies PowerPhase HD 250

UQM Technologies PowerPhase HD 250

Eric R. Ridenour, President and Chief Executive Officer of UQM Technologies, Inc. stated:

“UQM is addressing market needs by developing a comprehensive range of systems for our domestic and global customers. The PowerPhase HD 250 provides an ideal solution for trucks and buses that are designed to operate at voltages between 450 and 750 volts. Commercial vehicle systems are a significant part of our business, and this new system further expands our opportunities within this segment.”

According to Jon F. Lutz, Vice President of Engineering of UQM Technologies higher voltage brings much better performances, with up to 95 percent energy conversion efficiency:

“Higher operating voltage creates lower operating current, enabling lower weight or lower resistance losses in vehicle wiring, and this is an architecture choice for some manufacturers’ electrified vehicles.”