A New Configuration of Nine Level Switched Capacitor Boost Inverter of Single DC Source with Reduced Component Count

Abstract

Renewable energy applications have shown a strong interest in switched-capacitor (SC) based multilevel inverters (MLIs) because of their ability to raise ac voltage while simultaneously balancing the capacitor's voltage. It is less expensive and takes up less space than other topologies since it just uses one source. New switched-capacitor multilevel inverters (SCMLIs) have been developed in effect to expanding demands for higher power capacities with enhanced power quality. Recently designed SCMLIs let for maximize ac output via inversion with single-stage voltage enhanced. In an attempt to decrease the quantity of apparatus, this study presents a nine-level SCMLI that utilize two capacitors with three diodes, and is of the boost kind. Voltages across capacitors are balanced by design and may be quadrupled starting a single source when using the series-parallel connection method. No semiconductor device can withstand voltage stresses extra than double the input voltage. The suggested SCMLI may be upgraded to handle higher voltage levels with fewer components and no extra dc input. Each expansion module keeps the maximum voltage stress constant at 9 levels, but adds 2 more steps to the output voltage. After a comprehensive estimate of power losses with circuit functioning, a study of recently planned single-phase 9-level MLIs is conducted to validate their design is better. In regulate to validate the key individuality of the 9-level SCMLI in real-time prepared environments, widespread simulation results are provided. For the purpose of determining if the new multi-level inverter was feasible, the analysis and simulation waveforms were evaluated under a range of load circumstances. The performance of the suggested MLI is superior to that of current multilayer inverters.