This paper presents an optimized high-frequency transformer design for a 6 kV, 100 kW Isolated Modular Multilevel DC-DC (iM2DC) converter for shipboard application with 50 kHz transformer ac frequency. The Phase Shifted Square Wave Modulation (PS-SWM) scheme produces an unconventional, non-sinusoidal ac voltage waveform that makes the high-frequency transformer design challenging. This paper proposes an optimized transformer design method by accurately estimating the transformer’s power loss for iM2DC converter while still utilizing the advantages associated with PS-SWM modulation. The findings are later validated by a down scaled prototype.


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    Title :

    High Frequency Transformer Design for Medium Voltage Shipboard DC-DC Converter


    Contributors:
    Agarwal, Rachit (author) / Martin, Sandro (author) / Shi, Yanjun (author) / Li, Hui (author)


    Publication date :

    2019-08-01


    Size :

    3182805 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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