Dynamic wireless power transfer (DWPT) can provide energy to EVs in motion and extend the drive range. By upscaling the charging power to 200 kW (High Power DWPT), the percentage of electrified roadway reduces and the solution becomes cost-effective. However, coil coupling-coefficient variation during vehicle movement fluctuates the transferred power which is unfavorable for vehicle battery. Secondary regulation design can smooth the power but the converter design becomes very challenging due to requirement in high power, high efficiency, fast control, as well as high power density since the unit will be onboard. This paper provides the modular design approach of a 200 kW secondary side unit to achieve high performance and scalability. The DC/DC converter using SiC devices demonstrated 98.3% efficiency.


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    Title :

    Modular Design of Receiver Side Power Electronics for 200 kW High Power Dynamic Wireless Charging System


    Contributors:


    Publication date :

    2021-06-21


    Size :

    6107805 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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