期刊
MEMS, NANO AND SMART SYSTEMS, PTS 1-6
卷 403-408, 期 -, 页码 4266-+出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.403-408.4266
关键词
Power Quality Disturbances; Multiwavelet Transform; Neural Network
The work presented uses multiwavelet because of its inherent property to resolve the signal better than all single wavelets. Multiwavelets are based on more than one scaling function. The proposed methodology utilizes an enhanced resolving capability of multiwavelet to recognize power system disturbances. The disturbance classification schema is performed with multiwavelet neural network (MWNN). It performs a feature extraction and a classification algorithm composed of a multiwavelet feature extractor based on norm entropy and a classifier based on a multi-layer perceptron. The performance of this classifier is evaluated by using total 1000 PQ disturbance signals which are generated the based model. The classification performance of different PQ disturbance using proposed algorithm is tested. The rate of average correct classification is about 99.65% for the different PQ disturbance signals and noisy disturbances.
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