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A Novel PV Array Reconfiguration Method under Partial Shading Conditions

Authors: Bingöl, Okan; Özkaya, Burçin; Güvenç, Uğur; Çelik, Emre; Özkaya, Burçin;

A Novel PV Array Reconfiguration Method under Partial Shading Conditions

Abstract

Solar energy is the most preferred renewable energy sources due to its advantages such as freely available, pollution-free, low maintenance cost, reliable, and inexhaustible. However, operation of PV array is affected from solar irradiation level. Partial shading in photovoltaic array is an important factor which decreases the efficiency of the system. To prevent the effect of partial shading on PV array and to obtain maximum power, reconfiguration process is very important under partial shading conditions. In this study, a new photovoltaic array reconfiguration method is proposed to obtain maximum power from photovoltaic array. The proposed approach is aimed that the short circuit current values of each row of the photovoltaic array is as close as possible to each other. In order to find the connection structure of PV array during reconfiguration process, binary artificial bee colony algorithm is used. The reconfiguration process has been tested for two different PV array under different partial shading conditions in MATLAB/Simulink. Results show that the PV arrays can produce higher power with reconfiguration process.

Country
Turkey
Related Organizations
Keywords

photovoltaic system

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average