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This paper presents an effective method for Detection and classification of power quality disturbances using wavelet features. Wavelet transform is one of the signal processing technique which has the ability to analyze these power quality problems simultaneously in both time and frequency domain. The energy signatures extracted from wavelet coefficients are used to detect and localize the disturbances...
This paper deals with the analysis of pollution severity of power transmission line porcelain insulators under wet conditions using leakage current (LC) and phase angle measurement. In this work, laboratory based experiments were carried out on single disc porcelain insulator under AC voltages at different pollution conditions with sodium chloride as a contaminant. Leakage current and voltage waveform...
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