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  • 标题:Investigations on Power Quality Disturbances Using Discrete Wavelet Transform
  • 本地全文:下载
  • 作者:Bhavna Jain ; Shailendra Jain ; R.K. Nema
  • 期刊名称:International Journal of Electrical, Electronics and Computer Engineering
  • 电子版ISSN:2277-2626
  • 出版年度:2013
  • 卷号:2
  • 期号:2
  • 页码:7
  • 语种:English
  • 出版社:RESEARCH TREND
  • 摘要:ABSTRACT: Extensive use of power electronic devices and non-linear loads in electrical power system cause problem of power quality (PQ). Renewable energy sources are also integrated to the grid through power electronics based equipment. So the power quality issues are drawing attention in recent years. PQ disturbance need to be detected accurately It is also essential to find out the cause of such an event. Detection and classification of PQ disturbance helps to control such event. In this paper, wavelet transform is applied to notice, localize, and extract power signal disturbance. To study various power quality disturbances, a model simulated using MATLAB/Simulink toolbox. The key plan underlying in the approach is to decompose a given disturbance signal into alternative signals that represent a smoothened version and a close version of the first signal. Using multi resolution analysis signal is decomposed.
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