Maximal overlap discrete wavelet transform and deep learning for robust denoising and detection of power quality disturbance

This study presents a new technique for power quality (PQ) disturbance detection. The technique focuses on voltage sags and interruptions that are related to various faults, i.e. transmission line, feeder, and transformer faults. A maximal overlap discrete wavelet transform-based PQ detection algori...

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Vydáno v:	IET generation, transmission & distribution Ročník 14; číslo 1; s. 140 - 147
Hlavní autoři:	Xiao, Fei, Lu, Tianguang, Wu, Mingli, Ai, Qian
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	The Institution of Engineering and Technology 17.01.2020
Témata:	backpropagation deep learning detection threshold discrete wavelet transforms disturbance initiation feature extraction improved stacked sparse denoising autoencoder learning (artificial intelligence) maximal overlap discrete wavelet transform neural nets power engineering computing power quality disturbance detection power supply quality power system faults power system harmonics PQ detection algorithm PQ disturbances PQ recording preprocessed PQ waveforms Research Article robust classifier robust denoising signal denoising space vector transformation transformer faults voltage sags detection threshold maximal overlap discrete wavelet transform power quality disturbance detection disturbance initiation signal denoising power system faults deep learning PQ recording feature extraction transformer faults robust classifier space vector transformation learning (artificial intelligence) improved stacked sparse denoising autoencoder power system harmonics PQ disturbances robust denoising discrete wavelet transforms preprocessed PQ waveforms power engineering computing power supply quality voltage sags backpropagation PQ detection algorithm neural nets
ISSN:	1751-8687, 1751-8695
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