Manufacturing Industry
Copper rotors help efficiency of electric motors in trucks.(BUSINESS TRENDS)
Advanced Materials & Processes, February, 2007
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Four 140-hp electric motors power the latest generation of U.S. Army severe-duty trucks, says the Copper Development Association (CDA), New York, N.Y. Die cast copper rotors are in the AC induction motors on each of four axles. The 480-volt motors are powered by a 400-hp diesel engine, making a hybrid drive system that can move the 35,000-pound vehicles and run a 335-kW generator to operate field hospitals, command centers, or airstrips.
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Called ProPulse by Oshkosh Truck Corp., the innovative hybrid electric drive system is said to decrease emissions and increase fuel economy by as ...
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