In this work, a three-phase integrated onboard battery charger is investigated and implemented for electric vehicle (EV) applications. A three-switch add-on interface is introduced to connect with the inverter and the motor windings, such that a two-channel interleaved boost converter is formed for the battery charging. The detailed system analysis, design methodology, and control strategy are discussed. Moreover, a simulation study is carried out to validate the effectiveness of the proposed integrated charger. As verification, a 5 kW liquid-cooled prototype is built and tested. The proposed integrated charging system achieves a power factor of 0.99, and total harmonic distortion (THD) of 4.82% at 5 kW with an efficiency of 93.2%.


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    Title :

    A Compact Electric Motor Integrated Onboard Charging System for Electric Vehicles


    Additional title:

    Sae Intl. J Cav


    Contributors:
    Khaligh, Alireza (author) / Sankar, Arun (author) / Shi, Chuan (author) / Zou, Shenli (author) / Zhang, Zeyu (author)


    Publication date :

    2020-07-02


    Size :

    10 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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