4.6 Article

Detecting clipping in photovoltaic solar plants using fuzzy systems on the feature space

Journal

SOLAR ENERGY
Volume 132, Issue -, Pages 345-356

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.03.013

Keywords

Power limiting; Clipping; Fault detection; Fuzzy system; Feature space; Sliding window

Categories

Funding

  1. Austrian COMET-K2 program of the Linz Center of Mechatronics (LCM)
  2. Forschungs und Technologie-Transfer-Forderung of the Upper Austrian Government

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We propose the use of a fuzzy system evaluating a feature space extracted from the daily power production profile of a photovoltaic solar plant. The fuzzy system proposed is able to detect inverter power limiting situations, as well as stages where the photovoltaic solar plant is showing steady state power production. The approach has been validated using an experimental real grid connected photovoltaic plant located in Spain. The results demonstrate that the method is suitable for online detection, as well as for labeling incoming online data from the photovoltaic power production for a posteriori off-line analysis. (C) 2016 Elsevier Ltd. All rights reserved.

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