Single-stage inverters are getting more popularity in the current scenario of renewable energy generation due to their inherent boosting capability. But, their boosting ability and overall dc-ac voltage gain are somehow limited by circuit element stresses and inferior performances at low modulation index. This paper proposes a generalized hybrid switched-inductor (SL) / switchedcapacitor (SC) quasi-switched boost multilevel inverter in order to avail the combined advantages. It provides a nominal ac output voltage in a single stage of dc-ac conversion from a low or variable renewable energy source. Hence, the proposed work is intended to achieve enhanced performance while attaining a larger voltage gain. Further, the working principle and steady-state analysis are presented, corresponding mathematical relations are derived. Also, the effectiveness of the proposed inverters is compared with different combinations of SL and SC-cells in terms of voltage gain boosting ability and device stresses. MATLAB simulation is performed to validate the proposed theory. A TMS320F28379D controller-based prototype is built and tested experimentally.


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    Title :

    Hybrid SL/SC Quasi-Switched Boost Multilevel Inverter


    Contributors:


    Publication date :

    2019-12-01


    Size :

    2453155 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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