Novel inverter design achieves a voltage gain of three with reduced total harmonic distortion, indicating enhanced efficiency for grid-connected systems.
This article introduces a novel single-phase triple boost inverter based on switched capacitor (SC) technology, designed for grid integration applications. The proposed topology utilizes a single DC source, 13 switches (including 5 bidirectional switches), and 3 capacitors to achieve a voltage gain of three. Notably, this topology can generate 13 output levels, resulting in reduced total harmonic distortion (THD) and improved efficiency compared to existing triple boost topologies. Additionally, the capacitors are self-balanced through the control scheme, eliminating the need for external balancing circuits. The proposed topology is compared with other existing topologies in the literature, and its performance is validated through MATLAB/Simulink simulations using level-shifted pulse width modulation (LSPWM) and experimental results.
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Vanapalli et al. (2025) studied this question.
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