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Corresponding Author

Yousef, Fathi

Subject Area

Electrical Engineering

Article Type

Original Study

Abstract

In the high voltage engineering, the mathematical statistics play a dominant role for choosing test procedures as well as for the analysis and Interpretation of measurements. However, the currently used normal, double exponential and weibull distribution types are not powerful enough to describe any insulation electrical strength behaviours. Sore dangers have been found by the approximations of concrete high voltage breakdown realizations through the weibull distribution. To avoid these dangers, the paper introduces a powerful distribution type as a new tool for the statistical analysis of high voltage breakdown realizations. This is the Pearson type III distribution. This three parametric distribution has been applied to different high voltage breakdown realizations. The results show the better fitting features of the distribution compared with the other currently used distribution types.

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