An Experimental Study on Zeta Buck–Boost Converter for Application in PV System

The non-conventional energy sources received great attention to the researchers because of the limitations of fossil fuels and the requirement for eco-friendly atmosphere. The recent photovoltaic (PV) power system has only 15–20% conversion efficiency to obtain electric power from solar radiation. In order to enhance the energy conversion efficiency of the PV system, a maximum power point tracking (MPPT) system is required. By the application of MPPT methods, the power tracking ability of PV panels is improved and optimal power is obtained. This chapter presents in detail the development of PV system using zeta buck–boost converter as most attractive potential application in distributed generation. Novel fuzzy logic control (FLC) algorithm has been developed to extract maximum power with improved steady-state and dynamic performance. The zeta converter is employed to track peak power from PV system and works as a MPPT tracker. The output DC power from zeta converter is injected to utility grid through voltage source inverter (VSI). The feasibility of the developed system has been experimentally verified using a laboratory 200 W prototype of PV system under steady-state, varying weather, and partial shading conditions .

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