The detection and location of power quality disturbances based on orthogonal wavelet packet transform

• Published in: 2008 Third International Conference on Electric Utility Deregulation and Restructuring and Power Technologies pp. 1831 - 1835
• Main Authors: Liyan Liu, Zhezhao Zeng
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.04.2008
• Subjects: de-noising; Frequency; Orthogonal wavelet packet transform; Packaging; Power quality; Signal detection; signal location; Signal processing; soft threshold; Stein unbiased risk threshold; Transient analysis; universal threshold; Voltage fluctuations; Wavelet analysis; Wavelet packets; Wavelet transforms

A novel method of power quality detection and location using orthogonal wavelet packet transform was proposed. First the theories of orthogonal wavelet packet transform and wavelet basis function choice were discussed; second power quality disturbances with white Gaussian noise in power frequency we...