COMPARATIVE STUDY OF MAXIMUM POWER POINT TRACKING ALGORITHMS UNDER PARTIAL SHADING CONDITIONS

Year 2017, Volume: 17 Issue: 2, 3335 - 3341, 27.07.2017

Zehan Kesilmiş , Alpaslan Karabacak

Abstract

Abstract: In this study, an
experimental study was carried out to compare the tracking performance of the
maximum power point tracking algorithms under partial shading conditions. These
algorithms are Stochastics Beam Search, Simulated Annealing, Fractional Open
Circuit Voltage and Stochastics Hill Climbing. The test setup consisted of 4
series connected solar panels, Buck type DC/DC converter, microcontroller and
PC. Current/Voltage (I/V) characteristic of the PV system was collected under
different shading scenarios and these data were used to compare the success of
the algorithms in the MATLAB environment. The comparison results show that the
Stochastics Beam Search algorithm finds the highest power point in all shading
conditions with high speed and accurcy.

Keywords

Solar Energy, Partial Shading, MPPT

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