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Knowledge discovery in power quality data using Support Vector Machine and S-transform
K. Vivek, , B.K. Panigrahi
Published in
Volume: 2006
Pages: 507 - 511
In this paper, we investigate the potential of Support Vector Machines (SVMs) for power quality data mining in electrical power systems. Modified wavelet transform, known as S-transform, has been used to extract unique features of the various power quality disturbances. Feature vectors from S-transform analysis are used to train the SVM classifier. Various multi-class SVM algorithms have been applied on the power quality data under study and the Directed Acyclic Graph (DAGSVM) algorithm is found to be performing well. A comparison between the DAGSVM method and the one based on Artificial Neural Network demonstrates the efficiency of the SVM method in classifying PQ disturbances. © 2006 IEEE.
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