Proceedings of 5th International Conference on Properties and Applications of Dielectric Materials
DOI: 10.1109/icpadm.1997.617561
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On the correlation among partial discharge patterns and degradation in large power transformers

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Cited by 4 publications
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“…Correlations have been sought among prevalent insulation degradation and changes in: (a) the discharge phase/charge/number (<Jrq-n pattern) or parameters derived from the ''primary'' <Jrq-n parameters such as skewness, kurtosis, number of peaks, initiation and extinction phase values etc. [2]; (b) changes in the shape of the electrical pulse after the PD signal has been transmitted from initiating to detection site requiring an understanding of the original PD pulse shape from laboratory studies and the conditioning of the detector on the original shape [3,4]; (c) the use of chaotic parameters to determine the effect of differences in material properties on PD metrics [5,6]. Although these approaches have proved effective in some circumstances they do not work effectively in all, making decisions based on these measurements problematic.…”
Section: Introductionmentioning
confidence: 99%
“…Correlations have been sought among prevalent insulation degradation and changes in: (a) the discharge phase/charge/number (<Jrq-n pattern) or parameters derived from the ''primary'' <Jrq-n parameters such as skewness, kurtosis, number of peaks, initiation and extinction phase values etc. [2]; (b) changes in the shape of the electrical pulse after the PD signal has been transmitted from initiating to detection site requiring an understanding of the original PD pulse shape from laboratory studies and the conditioning of the detector on the original shape [3,4]; (c) the use of chaotic parameters to determine the effect of differences in material properties on PD metrics [5,6]. Although these approaches have proved effective in some circumstances they do not work effectively in all, making decisions based on these measurements problematic.…”
Section: Introductionmentioning
confidence: 99%