Statistical Analysis of Leakage Current Fluctuations on 20 kV High Voltage Porcelain Insulators

P.T. Tsarabaris, P.G. Halaris, A.D. Polykrati, A.A.P. Paraskevopoulos, D.D. Dimitriadou, and N.J. Theodorou (Greece)


Insulator, Partial discharges.


This paper deals with the statistical analysis of the fluctuations of the momentary current values phenomenon caused by partial discharge occurrence, which observed during tests. For this purpose the behavior of maximum mean momentary current value per voltage level after 1 minute of the voltage application has be examined.

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