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Power quality disturbance recognition based on S-transform and SOM neural network

  • Harbin Institute of Technology
  • Jilin Institute of Chemical Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a new approach for recognition of nonstationary signal in power quality (PQ) disturbance using Stransform and Self-Organizing Mapping (SOM) neural networks. The most common types of the PQ disturbance, such as voltage sags, swells, interruptions, transients and harmonics, are studied. We utilize S-transform to process power quality disturbance signal. In this step, the obtained features can overcome the noise of the original nonstationary signals. Meanwhile Self-Organizing Mapping (SOM) neural networks are utilized to solve PQ disturbances classification from the obtained features. The simulation result shows the validity and feasibility of the proposed model.

Original languageEnglish
Title of host publicationProceedings of the 2009 2nd International Congress on Image and Signal Processing, CISP'09
DOIs
StatePublished - 2009
Event2009 2nd International Congress on Image and Signal Processing, CISP'09 - Tianjin, China
Duration: 17 Oct 200919 Oct 2009

Publication series

NameProceedings of the 2009 2nd International Congress on Image and Signal Processing, CISP'09

Conference

Conference2009 2nd International Congress on Image and Signal Processing, CISP'09
Country/TerritoryChina
CityTianjin
Period17/10/0919/10/09

Keywords

  • Nonstationary signal
  • Power quality (PQ)
  • Power quality disturbance
  • S-transform
  • Self-organizing mapping (SOM) neural network

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