Despite recent advances in solid-state controls for electric cars, chopperinduced problems still exist: Commutation and ac losses are significantly high, the chopping action induces losses within the power source, and large ripple components in the chopper output cause increased rms losses at the motor. the author's dual chopper, two conventional choppers in parallel, reduces these problems. the duty cycle generated by the firing circuit is feedback controlled so that the load current remains proportional to control output.


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    Title :

    Dual scr chopper as a motor controller for an electric car


    Contributors:

    Published in:

    IEEE TR. VEHICULAR TECHNOL. ; VT-20 , 2 ; 23-26


    Publication date :

    1971


    Size :

    4 Seiten, 8 Bilder



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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