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Industry: Email Alert RSS FeedUQM Powertrain Powers Propane-Electric Shuttle
Advanced Battery Technology, Jul 2005
A series hybrid electric shuttle bus powered by a UQM propulsion system is under test by a Tier One supplier.
A Ford LSG 642 (6 cylinder, 4.2-liter) engine fueled by propane drives the generator. Maximum output at 2200rpm (the UQM operating speed) is about 55kW.
The electric motor and generator are standard UQM Powerphase 100 units offering 10OkW (134hp) of motoring power and 550Nm (4061b-ft) of peak torque.
The batteries are a 30Ah lithium polymer, with nominal voltage of about 336V. They have a peak discharge capacity of 1OC, with very low resistive losses. According to UQM, temperature effects have been minimal - the company characterizes the performance as excellent. Regenerative braking produces up to 6OkW at high speeds.
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