Design of a Boost Converter with MPPT Algorithm for a PV Generator Under Extreme Operating Conditions
Engineering and Technology Journal,
2021, Volume 39, Issue 10, Pages 1473-1480
AbstractPhotovoltaic generators (PVGs) are one of the most popular renewable energy sources (RESs), which achieve 47% of RES in microgrids. The aim of this work is to design and simulate a PVG system with a rated power of about 1,621 kW at the standard test conditions (STC), i.e., 1,000 W/m2 and 25ºC. The main components of the proposed PVG are 12 PV panels connected in series (the peak power of a PV panel at STC is about 135 W). A DC-DC boost converter is proposed for implementing the maximum power point tracking (MPPT) algorithm. The proposed MPPT algorithm is tested under extreme conditions; a wide range of change in temperature, irradiance, and load variations. The boost converter is designed to verify stable power flow from the PVG to the load. The calculated and the simulation results using MATLAB/Simulink are in good agreements and the maximum efficiency of the implemented MPPT algorithm is about 99%.
- The boost converter considered a variable voltage of PV array under weather conditions.
- The designed converter is able to deliver power to grid with the efficiency of 96%.
- The maximum efficiency of the MPPT is about 99%, tested under extreme conditions.
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