Electric vehicles (EV) will probably be an important part of future environment friendly and efficient transport systems. The reason for this is our problem with pollution and noise that existing cars cause in our cities today. Therefore it is important to increase our knowledge about electrical vehicles in general and electrical drive systems for EV in particular. This report constitutes a link in this striving. A simulation program has been developed for comparison of four different electrical drive systems for EV's; direct current machine (DC), induction machine (AM), electrically magnetized synchronous machine (EMSM) and the permanently magnetized synchronous machine (PMSM). The concept electrical drive system includes both converter and motor. The comparison is not only limited to the electrical drive system, but also includes the transmission. In order to get realistic results of reachable distance and energy consumption it is necessary to take into account the battery characteristics as well as the air and rolling friction of the car. The comparison between the four systems is performed by simulations of a standardized driving cycle, Federal Urban Driving Cycle (FUDS) and constant speed respectively, to get each system's driving distance and energy consumption. The comparison does not take into account economical aspects such as production costs and economical lifetime. (14 refs., 22 figs.)


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    Title :

    Vilket elektriskt drivsystem aer laempligast foer elbilar. Ett simuleringsprogram byggs upp foer att kunna goera en jaemfoerande studie mellan fyra olika elektriska drivsystem foer elbilar. (Which electric traction system is best suited for electric cars. A simulation computer code is built to make a comparative study of four different electric traction systems for electric cars)


    Contributors:

    Publication date :

    1992


    Size :

    106 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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