One Leg Control Strategy in Single-Phase Five-Level Inverter

The use of power inverter technology with low harmonics content is rapidly growing. For decades, researchers have conducted investigations to minimize its harmonics content, leading to the creation of a five-level inverter. This new topology often deals with many power semiconductor switches, thereby making it difficult to control. Therefore, this paper studies a further simulation and hardware implementation of the one leg control strategy of the single-phase five-level inverter design with efficient control of switches operated in a line frequency to achieve a higher-level demand. The verification of this research is a simulation and prototype implementation carried out in the laboratory.