Abstract
This paper deals with the assessment of discrimination between inrush and fault current of power transformer. This has been achieved by capturing primary current of power transformer and analyzed by Radar analysis, Continuous Wavelet Transform (CWT) and Discrete Wavelet Transform (DWT) based skewness, kurtosis, rms and mean value analysis. Different feature patterns have been observed in Radar analysis and CWT analysis of primary current of power transformer in different conditions. Different parameters have also been calculated after DWT decomposition of primary current of power transformer in different conditions from where inrush and fault condition of power transformer have been discriminated properly.
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