Abstract
In this article, a new single-phase multilevel inverter is presented, one with reduced device count and less voltage stress on the power switches. Seven voltage levels are produced using this design in an asymmetrical voltage source setup. Two input dc sources and six semiconductor switches make up the proposed configuration. Complexity, cost, size, and performance were all improved by reducing power switches, DC voltage, and driving circuits. The elimination of switches, DC voltage, and driving circuits reduced complexity, size, and cost along with increased efficiency. The proposed architecture can be used for applications involving industrial drives as well as <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mathbf{R}$</tex> and RL loads. Comparisons are made between traditional and proposed topology based on power switch ratio, DC source, and other variables. Utilizing MATLAB/SIMULINK, the proposed asymmetrical multilevel structure is validated.
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