This paper presents a novel single-source three-phase multilevel inverter structure with voltage boosting capability, which is suitable for medium-voltage photovoltaic (PV) applications. The proposed structure consists of switched-capacitors (SCs) based multilevel dc-link stages that boost-up the input DC-source voltage significantly. It reduces the dc-link voltage requirements by 75% compared to the traditional neutral point clamped (NPC), flying capacitors (FCs), active NPC (ANPC), hybrid and hybrid clamped ANPC and cascaded h-bridge (CHB) topologies, and 50% compared to advanced ANPC topologies. The proposed structure also reduces the number of required switches and capacitors as well as their voltages stresses compared to these state-of-the-art topologies. A robust control scheme based on finite control set model predictive control (FCS-MPC) is derived to control the converter. The capacitor voltage balancing is inherent of the proposed topology, and thus, eliminates the need for additional voltage balancing circuit and reduces the control complexity.


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    Titel :

    A novel single source three phase seven-level inverter topology for grid-tied photovoltaic application


    Beteiligte:
    Khan, Shakil Ahamed (Autor:in) / Guo, Younguang (Autor:in) / Khan, Md Noman Habib (Autor:in) / Siwakoti, Yam (Autor:in) / Zhu, Jianguo (Autor:in) / Blaabjerg, Frede (Autor:in)

    Erscheinungsdatum :

    2020-11-01


    Anmerkungen:

    Khan , S A , Guo , Y , Khan , M N H , Siwakoti , Y , Zhu , J & Blaabjerg , F 2020 , A novel single source three phase seven-level inverter topology for grid-tied photovoltaic application . in Proceedings of the 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia) . , 9367731 , IEEE , pp. 372-376 , 9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia , Nanjing , China , 29/11/2020 . https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9367731



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629



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