Although other methods have been studied recently, the regenerative brake system has been contributing to reduced energy consumption on electric railway vehicles for over 30 years. However, there are a lot of problems associated with the system, such as regeneration being cancelled out by wheel slide and trolley voltage conditions, decreases in electric braking force in the higher speed ranges, and restrictions on regenerative power determined by power supply circuit impedance. In order to utilize and recycle braking energy and secure a steady regenerative load, the authors selected lithium ion batteries to store electric energy and developed a rechargeable lithium ion battery (600 V system) for use on electric railway vehicles. In this paper, the authors report on an energy recycling contact-wire-less tramcar that uses the rechargeable lithium ion batteries and show the tramcar's performance and characteristics of the battery as developed. The battery under development has demonstrated excellent performance in terms of energy and power density, efficiency, 500 A charge and discharge current.


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    Title :

    Energy recycling contact-wire-less tramcar using rechargeable lithium ion battery


    Contributors:
    Sameshima, H. (author) / Ogasa, M. (author) / Yamamoto, T. (author)


    Publication date :

    2004


    Size :

    6 Seiten, 10 Bilder, 3 Tabellen, 1 Quelle



    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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