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SETSCI - Volume 5(2) (2022)
ISAS-WINTER-2022 - 6th International Symposium on Innovative Approaches in Smart Technologies, Online, Turkey, Dec 08, 2022

Variable Step-Size Modified P&O-based MPPT Algorithm for the Photovoltaic Systems
Onur Tarık Özdemir1, Emre Hasan Dursun2*
1Konya Technical University, Konya, Turkey
2Konya Technical University, Konya, Turkey
* Corresponding author: ehdursun@ktun.edu.tr
Published Date: 2022-12-22   |   Page (s): 53-57   |    251     32
https://doi.org/10.36287/setsci.5.2.012
ABSTRACT The utilization of renewable energy sources is being enlarged daily to meet the escalating energy needs around the world. Solar energy, like other renewable energy sources, occupies an important place in the energy generation sector. Since it is important to increase energy efficiency in photovoltaic (PV) systems, maximum power point tracking (MPPT) is performed with one type of variable step-size P&O algorithm in this paper. The whole system modeling, the design of the presented MPPT algorithm and the tests are performed in the MATLAB/Simulink simulation environment. Also, the system is created with a configuration that includes a PV panel, input filter, boost converter, and load. On the other hand, an irradiance change profile including step changes, linear increasing and linear decreasing levels is created and tests are carried out by running this MPPT algorithm. According to the obtained results, it seems that the power capture from the PV system has been successfully achieved.  
KEYWORDS P&O Algorithm, maximum power point tracking, modified peak seeking algorithm, photovoltaic system
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