The Medium Voltage dc (MVDC) distribution is actively being sought as the eventual structure for the next-generation shipboard electrical power systems and the Modular Multilevel Converter (MMC) has become a preferred choice for MVDC systems. However, the fault response is a big challenge for both the shipboard MVDC system and the MMC. A fault current control is proposed to work with MMCs composed of full-bridge Power Electronics Building Blocks (PEBBs). The converter is able to fast clear the fault current when a dc shortcircuit fault happens and easily restore the service after the fault is isolated. The fault response is verified by both simulation results and experimental results from a three-phase SiC PEBBs based MMC prototype.


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    Title :

    DC fault current control of modular multilevel converter with SiC-based Power Electronics Building Blocks




    Publication date :

    2017-08-01


    Size :

    1364877 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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