Abstract

Advancements in the technology and raise in manufacturing units motivates many users to employ PV systems with utility frequency alternating current that can be coupled to a commercial electrical grid or make use of a local, off-grid electrical network with intelligent controllers to improve the stability of the system. It is a significant module in a PV system. Solar inverters have particular functions adapted for employing with photovoltaic arrays, together with maximum power point tracking and anti-islanding protection. This paper deals with fuzzy controller based DC-DC power converter fed symmetrical five and seven level inverter topologies along with a photo-voltaic system. This type of Hybrid H-Bridge inverter produces greater voltage levels using less number of switching devices. Reducing the number of switches results in reduced switching losses as well as THD. The results were obtained using Matlab/Simulink and these results were validated with the hardware outputs.