A new nine-level switched-capacitor-based multilevel inverter with low voltage stress and self-balancing

This study introduces a nine-level multilevel (MLI) inverter based on the switched-capacitor method. Not only does the suggested inverter ensure that the switches' maximum voltage stress is lower than the incoming voltage, but it also includes a voltage double boost capacity. As a result, it is indeed appropriate for high-voltage tasks. The suggested inverter has horizontal extension strategies that assist it to reach a higher level of output with voltage boost. This nine-level inverter could be made with two capacitors owing to a benefit of low voltage stress and devices with cheap power consumption. Furthermore, the self-balancing capability of capacitor voltage helps reduce control circuit complexity. The topology, working principles, modulation approach and the evaluation of the inverter's capacitor are presented. The proposed inverter's superiority is explored by comparing it to recently suggested hybrid and switched-capacitor multilevel inverters. Finally, a nine-level prototype is built to verify the theoretical analysis' accuracy as well as the suggested inverter's feasibility and efficiency.