Wireless control of modular multilevel converter (MMC) submodules can benefit from different points of view, such as lower converter cost and shorter installation time. In return for the advantages, the stochastic performance of wireless communication networks necessitates an advanced converter control system immune to the losses and delays of the wirelessly transmitted data. This article proposes an advancement to the distributed control of MMCs to be utilized in wireless submodule control. Using the proposed method, the operation of the MMC continues smoothly and uninterruptedly during wireless communication errors. The previously proposed submodule wireless control concept relies on implementing the modulation and individual submodule-capacitor-voltage control in the submodules using the insertion indices transmitted from a central controller. This article takes the concept as a basis and introduces to synthesize the indices autonomously in the submodules during the communication errors. This new approach allows the MMC continue its operation when one, some, or all submodules suffer from communication errors for a limited time. The proposal is validated experimentally on a laboratory-scale MMC.


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    Title :

    Wireless Control of Modular Multilevel Converter Submodules With Communication Errors


    Contributors:

    Publication date :

    2022-11-01


    Remarks:

    Ciftci , B , Harnefors , L , Wang , X , Gross , J , Norrga , S & Nee , H P 2022 , ' Wireless Control of Modular Multilevel Converter Submodules With Communication Errors ' , IEEE Transactions on Industrial Electronics , vol. 69 , no. 11 , pp. 11644-11653 . https://doi.org/10.1109/TIE.2021.3125664



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629 / 600



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