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Decision tree-based fault detection and classification in solar photovoltaic arrays

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6 Author(s)
Ye Zhao ; Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA ; Ling Yang ; Lehman, B. ; de Palma, J.-F.
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Because of the non-linear output characteristics of PV arrays, a variety of faults may be difficult to detect by conventional protection devices. To detect and classify these unnoticed faults, a fault detection and classification method has been proposed based on decision trees (DT). Readily available measurements in existing PV systems, such as PV array voltage, current, operating temperature and irradiance, are used as "attributes" in the training and test set. In experimental results, the trained DT models have shown high accuracy of fault detection and fault classification on the test set.

Published in:

Applied Power Electronics Conference and Exposition (APEC), 2012 Twenty-Seventh Annual IEEE

Date of Conference:

5-9 Feb. 2012