Electric vehicles must meet the same requirements as cars with ic motors. Maximum speed in urban and suburban traffic must reach 70 to 80 km/h, gradeability 16 to 20 %. With today's semiconductor technologies application of three-phase ac drive systems is not economical as yet. In this paper, a drive system based on a separately excited dc motor is presented. Instead of a local charger, the vehicle can be equipped with an on-board charger. For this, the control unit of the motor can be used. In a prototype of the drive system the field chopper additionally functions as a charger. Step-down of the line voltage is provided by an autotransformer. It protects the entire system by means of a fault-current circuit breaker with very low trigger currents.


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    Title :

    A drive system for stored energy road vehicles with integrated battery charger


    Additional title:

    Ein Antriebssystem fuer Strassenfahrzeuge mit Energiespeicherung und einem integrierten Batterieladegeraet


    Contributors:
    Angelis, J. (author) / Kahlen, H. (author)


    Publication date :

    1980


    Size :

    5 Seiten, 4 Bilder, 1 Tabelle, 11 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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