Application of modified Wigner distribution method to voltage flicker-generated signal studies

Jiang Yong Cheng, Cheng Tao Hsieh, Shyh Jier Huang, Chao Ming Huang

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

With the time-frequency localization characteristics embedded in Wigner distribution, the time and frequency information of a waveform can be both integrally presented. Yet, due to the cross-term problem, the inspection performance is often affected. Therefore, in this study, with the assistance of a window function design, we have proposed a modified Wigner distribution method and applied to voltage flicker-generated signal analysis. This approach not only effectively reserves the merits of Wigner distribution and short-time Fourier transform, but also highly decreases the probability of cross-term occurrence. In order to confirm the feasibility of the method, it has been tested to inspect several voltage flicker-generated signals collected from both simulated waveforms and field measurements. Test results support the feasibility of the method for the application investigated.

原文English
頁(從 - 到)275-281
頁數7
期刊International Journal of Electrical Power and Energy Systems
44
發行號1
DOIs
出版狀態Published - 2013 一月

All Science Journal Classification (ASJC) codes

  • 能源工程與電力技術
  • 電氣與電子工程

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