The development, fabrication, and test of a regenerative flywheel energy storage system for a battery/flywheel electric vehicle for commuter application is reviewed. The system consists of a steel flywheel coupled to a high-speed inductor motor/alternator fed by a load-commutated inverter/rectifier which does not utilize a shaft position sensor for inverter control. Computer control is used to provide component as well as overall system control and data acquisition. This flywheel energy storage system was laboratory tested over the SAE J227a Schedules D, C, and B driving cycles, using a laboratory simulation of an electric vehicle drive. Results show that maximum benefit occurs on the Schedule D cycle for which the overall system was optimized. From these tests, recommendations for additional improvements to this propulsion system are made. (ERA citation 06:002592)


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    Title :

    Evaluation of a Hybrid Flywheel/Battery Propulsion System for Electric Vehicles


    Contributors:

    Publication date :

    1980


    Size :

    9 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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