In this paper a direct flux and torque control scheme for electric vehicle (EV) induction motor (IM) drive is presented. The control algorithm utilizes the stator flux as the control variable and the flux level is selected in accordance with the torque demand of EVs to achieve the efficiency optimized drive performance. The proposed scheme allows a smooth transition into the field weakening region and the full utilization of the inverter current capability during acceleration or regenerative braking of EV. The drive system, including an 18 kW 4 pole 6000 RPM 120 V battery powered IM and a 30 kVA IGBT inverter, has been applied to a pick up truck. The road test on the truck verified that the proposed control strategy is practical.


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    Title :

    Torque trajectory tracking control of IM for EV's


    Contributors:


    Publication date :

    2000-01-01


    Size :

    593477 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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