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HOS and CBR measurement system for PQ assessment

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7 Author(s)
de la Rosa, J.J.G. ; Res. Unit PAIDI-TIC-168, Univ. of Cadiz, Cádiz, Spain ; Sierra-Fernandez, J.M. ; Aguera-Perez, A. ; Sedeno, D.A.
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This paper describes an intelligent measurement system for Power Quality (PQ) assessment. Based in Higher-Order Statistics (HOS), its computational intelligence is based in the Case-Based Reasoning (CBR) paradigm. The characterization of the signal is done using the variance, the skewness and the kurtosis over a tuned sliding window. These feature values are introduced in the CBR system and a classification of the signal is performed. The Virtual Instrument (VI) exhibits an accuracy of the 93% over real-life electrical anomalies.

Published in:

Electrical Power Quality and Utilisation (EPQU), 2011 11th International Conference on

Date of Conference:

17-19 Oct. 2011