2015
DOI: 10.1007/s40313-015-0204-4
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Hybrid Methods for Fast Detection and Characterization of Power Quality Disturbances

Abstract: In this paper, recently developed variants of wavelet transform, namely the maximum overlapping discrete wavelet transform and the second-generation wavelet transform, are used for detection of ten types of the power quality (PQ) disturbance signals. Further, the features of PQ signal disturbances are extracted using these wavelet transforms. Those extracted features are then used to classify various PQ disturbances. Random forest (RF) classifier is presented in this paper. The RF is constructed with multiple … Show more

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Cited by 16 publications
(6 citation statements)
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“…On the other hand, there are few methodologies that consider time-frequency analysis allowing the detection and classification of two or more PQD [12][13][14][15][16][17][18][19][20][21][22]. For instance, in [23], a research on voltage fluctuation and flicker measurement based on fast Fourier transform (FFT), is proposed.…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, there are few methodologies that consider time-frequency analysis allowing the detection and classification of two or more PQD [12][13][14][15][16][17][18][19][20][21][22]. For instance, in [23], a research on voltage fluctuation and flicker measurement based on fast Fourier transform (FFT), is proposed.…”
Section: Introductionmentioning
confidence: 99%
“…However, this article considered less number of PQDs and having less classification accuracy as compared proposed algorithm. In [30], maximum overlapping DWT (MODWT), second-generation WT (SGWT) and ST were compared to accomplish the best classification results. ST retained the best classification rate of 97.39%.…”
Section: Resultsmentioning
confidence: 99%
“…In the wavelet network, combined ability of WT, SVM for analyzing nonstationary in [56] and for multiple signals in [57] have been presented in a real-time environment. The other WT based detection techniques include, interpolated DFT [58], actual data based noise-suppression method using WT and un-decimated WT [59], integrated rule-based approach of DWT-FFT [60], DTCWT and sparse presentation classifier (SRC) [61], combine wavelet packet and t-sallis entropy [62], empirical-WT based time-frequency technique [63], rank wavelet support vector machine (rank-WSVM) [64], wavelet packet decomposition (WPD) [65], combination of WT and SVM [66], WPE and MIST [67], hybridization of daubechies wavelets db2 and db8 [68], multi-flicker source power network using WT [69], variants of WT, namely the maximum overlapping DWT and the second-generation WT [70], threshold selection using WT [71], maximal overlap discrete wavelet transform [72], DB4 wavelet [73], dualtree complex wavelet-based algorithm [74] and harmonic evolution [75]. Power quality disturbances detection using DWT in the utility network with wind energy penetration has been presented in [76].…”
Section: ) Wavelet Transform-based Pqds Detection Techniquementioning
confidence: 99%