Electric vehicles art defined by their electric motor drive system - the power sources can be batteries, fuel cells and internal combustion engines in a hybrid electric system. Since these systems are thought to create less gas and noise emissions many car companies are developing prototypes of vehicles and exhibit them. The electric motors cannot be taken from the shelf - nonconventional drive systems have to be developed. Therefore there is a new market for electric motors. For a series production they have to be newly designed since they have to have a high weak field range, a high power to weight ratio, high efficiency for high as well as for low loads according to the frequencies of power demand in city driving, and especially low production costs. Electric motors on the crankshaft in a hybrid vehicle can drive the vehicle as well as damp the shaft oscillation of the normal combustion engine. If they are mounted in wheels they must withstand high acceleration forces. These requirements lead to water or oil cooled induction and synchronous motors. Also the switched reluctance motor and the transversal motor is under discussion. These motors are compared with each other.


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    Title :

    Modern drive systems for electric vehicles


    Additional title:

    Moderne Antriebssysteme für Elektrofahrzeuge


    Contributors:
    Naunin, D. (author)


    Publication date :

    2002


    Size :

    6 Seiten, 9 Bilder, 3 Tabellen, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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