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  • Sensorless Switched-Reluctance Generators: a Technology Read for Aerospace Applications
    and hydraulic loads used for the past decades cannot efficiently meet these growing demands. The engineering challenges include developing a powerful electric generator that is not bulky and cumbersome. Compactness and low weight is of paramount importance in the aerospace industry. This requirement of high
  • Wheel may fly high
    /epoxy composites for the flywheel's rotor, low-loss magnets for the bearings, high-speed electric motors and generators for energy conversion, and computer algorithms for motion control. This particular flywheel, enclosed in an aluminum vacuum vessel, consists of a high-speed brushless dc motor, upper
  • Flexible gears bolster wind-turbine reliability
    generator. In terms of capital investment, this is the most economical and preferred design -- but large and unpredictable loads often push gearboxes beyond their limits. Downtime and unreliability are two of the main reasons electricity from wind is expensive. Low-speed, direct-drive generators
  • 2008 Saturn Vue Green Line Hybrid
    GM showcased its front-wheel-drive, two-mode hybrid technology in its 2008 Saturn Vue Green Line. The SUV contains two electric motors, a gas engine, and four fixed-ratio planet gears. One motor usually acts as a generator to keep the nickel-metalhydride battery pack charged. But under load

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