Reduced Device Count 9-Level Inverter for Standalone Applications

Nowadays the use of inverters is increasing tremendously in many applications. Multilevel inverters give the accurate output waveform as a nearly sinusoidal waveform. This paper gives an overview of different types of multilevel inverters i.e., Diode-Clamped, Flywheel, and Cascaded H-Bridge inverters. The proposed topology deals with the REDUCED DEVICE COUNT 9-LEVEL INVERTER, its operation, switching sequence, and control technique used, and gives a review of output waveforms and THD. It has many advantages over the conventional 9-level inverter such as a lesser number of switches, low THD, high efficiency, and low price.