This paper proposes a Gallium Nitride high-electron mobility transistor (GaN HEMT) based three-port DC-DC converter for Level-1 and Level-2 electric vehicle charging. The three-port converter (TPC) is based on an isolated bidirectional Dual Active Bridge (IBDC-DAB) configuration for battery charging applications. The proposed DAB based TPC uses fewer components as compared to separate charger systems. The phase-shift control method is implemented to control the output power of the IBDC-DAB based converter with two charging output ports. The highest efficiency of 98.86% is achieved with the proposed converter at a phase-shift of 0.3889. The output ports 2 and 3 are designed for Level-1 and Level-2 EVB charging. Maximum power of approximately 2 kW for Level-1 and 12 kW for Level-2 is achieved for output Port 2 and 3 at an overall efficiency of 97%. The performance metrics of the IBDCDAB-based TPC have been analyzed and simulation is performed using LTspice XVII software. The results are presented for validation.


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    Title :

    High-Power Isolated Bidirectional Three-port DC-DC Converter for Level-1 and Level-2 Charging


    Contributors:


    Publication date :

    2022-08-04


    Size :

    2495496 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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