Electric vehicle (EV) performance is very dependent on traction batteries. For developing electric vehicles with high performance and good reliability, the traction batteries have to be managed to obtain maximum performance under various operating conditions. Enhancement of battery performance can be accomplished by implementing a battery management system (BMS) that plays an important role in optimizing the control mechanism of charge and discharge of the batteries as well as monitoring the battery status. In this study, a BMS has been developed for maximizing the use of Ni-MH batteries in electric vehicles. This system performs several tasks: the control of charging and discharging, overcharge and over-discharge protection, the calculation and display of state-of-charge (SOC), safety, and thermal management. The BMS is installed in and tested in a DEV5-5 electric vehicle developed by Daewoo Motor Co. and the Institute for Advanced Engineering in Korea. Eighteen modules of a Panasonic nickel-metal hydride (Ni-MH) battery, 12 V, 95 A h, are used in the DEV5-5. High accuracy within a range of 3% and good reliability are obtained. The BMS can also improve the performance and cycle-life of the Ni-MH battery peak, as well as the reliability and the safety of the electric vehicles.


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    Titel :

    Development of battery management system for nickel-metal hydride batteries in electric vehicle applications


    Beteiligte:
    Jung, Do-Yang (Autor:in) / Baek, Haeng-Lee (Autor:in) / Kim, Sun-Wook (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2002


    Format / Umfang :

    10 Seiten, 5 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





    Battery Management System for Nickel Metal Hydride Batteries

    Wong, K.-P. / European Electric Road Vehicle Association / German Electric Road Vehicle Association et al. | British Library Conference Proceedings | 2001


    Battery Management System for Nickel Metal Hydride Batteries

    Wong, K.-P. / European Electric Road Vehicle Association | British Library Conference Proceedings | 2001


    Battery management system for Nickel metal hydride batteries

    Wong,K.P. / GP Batteries International,SG | Kraftfahrwesen | 2001


    Nickel Metal-Hydride Batteries for Pure Electric Vehicle

    British Library Conference Proceedings | 1998