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This paper introduces a novel basic single-phase Switched-Capacitor Based Multi-Level Inverter (SCBMLI) topology that benefits from modularity, boosting capability, self-voltage balancing of capacitors and low Blocking Voltage ( $BV$ ) on switches. Due to application of developed H-bridge, only 2 switches ( $S_{2}, S_{5}$ ) experience maximum $BV$ , which leads to reduced Total Blocking Voltage ( $TBV$ ). The suggested basic topology employs only 2 DC sources, which remains constant at extended versions. The basic unit can be extended by increment of switched-capacitor cells to reach more steps and/or larger boosting factors. To verify different features of suggested topology, it has been contrasted with novel similar structures. Then correct performance of suggested topology has been certified by simulation results. more...

This paper suggests an improved basic single-phase 35-level inverter unit that consists of 4 DC power supplies, 4 capacitors, 10 switch/diodes and 10 gate driver circuits. The basic unit employs two DC links constructed by two cascaded capacitors in parallel with $V_{L}$ and $V_{R}$ DC sources. The use of capacitors not only has led to increased levels, but also has reduced the DC sources and converter cost. The voltage balancing of capacitors is done naturally which eases the control of proposed topology. Since, the proposed structure is based on developed H-bridge, it can produce positive, zero and negative voltage steps. Also, the suggested topology has suitable performance for resistive ( $R$ ) or resistive-inductive ( $R-L$ ) load types. Based on comparison results, the suggested structure has more steps per devices than similar configurations. The credits of suggested topology have been certified by comparisons and simulations in PSCAD/EMTDC software. more...