Since 2009 Heilbronn University has been investigating the specific needs of individual and commuter traffic for electric car operation in urbanregional areas. The plug-in battery-powered university research car has 26 lithium-based batteries, each with a capacity of 160 Ah and a voltage of 3.2 V. From approx. 11000 km of test drives with measurements and recordings of state variables like motor current or regenerative braking current it becomes clear that the available range allows reliable operation not only in urban, but also in mixed urban-regional areas. However, range remains an issue so that further research was started on additioual flywheel range-extending systems. The paper reports first resnlts of the flywheel system investigations. With a flywheel operation speed of 40 000 rpm basic effects of energy regeneration are investigated. Also, first resnlts of the investigations concerning flywheel dynamics on the vehicle dynamics are presented.


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    Title :

    Electric Car Operation and Flywheel Energy Storage


    Contributors:

    Published in:

    Publication date :

    2013-01-01


    Size :

    12 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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