A new approach to detect transformer inrush current by applying wavelet transform

In this paper, a mother wavelet suitable for processing the transient signals of power systems is constructed according to theory of wavelet analysis, and the improved recursive wavelet transform (IRWT) is presented in order to meet the real-time demands of analyzing power system signals. At the sam...

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Bibliographic Details
Main Authors: Zhang Chuanli, Huang Yizhuang, Ma Xiaoxu, Lu Wenzhe, Wang GuoXing
Format: Conference Proceeding
Language:English
Subjects:
Power system analysis computing
Power system transients
PSCAD
Real time systems
Signal analysis
Signal processing
Surges
Transient analysis
Wavelet analysis
Wavelet transforms
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Summary:In this paper, a mother wavelet suitable for processing the transient signals of power systems is constructed according to theory of wavelet analysis, and the improved recursive wavelet transform (IRWT) is presented in order to meet the real-time demands of analyzing power system signals. At the same time, research work is carried out to detect the transformer inrush current. IRWT has been used to analyze transformer inrush current generated by PSCAD and is proved both effective and feasible.
DOI:10.1109/ICPST.1998.729243