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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Matlab/Simulink Interface Design and Implementation for PV Arrays Reconfiguration
verfasst von : Mariana Durango Florez, Luz Adriana Trejos Grisales, Daniel Gonzalez Montoya
Erschienen in: ELECTRIMACS 2019
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Abstract
One of the major problems in photovoltaic (PV) arrays operation is the mismatching effect due to partial shading; it produces significant drops in the power delivered by the PV system. The power losses due to partial shading for a given operating condition can be mitigated in part by changing the scheme connection of the PV array. This paper introduces a solution to reconfigure a 3×3 PV array by means of a graphic interface using Matlab and Simulink. A mathematical model is used to calculate the configuration which provides the maximum power under a given operating condition. Then, a connection matrix is identified and the connections on the PV array are implemented by using an ARDUINO DUE and a relay based reconfiguration board. The proposed solution is validated by comparing the power vs voltage (P − V ) characteristics of different configuration schemes obtained from experimental tests.