Creeping Discharge Performance of Oil-paper Insulation with Streaming Electrification
IEEE Transactions on Dielectrics and Electrical Insulation Vol.4 No.6, December I997 780～784，-0001，（）：
In this paper, the influence of streaming electrification on the creeping discharge of oil-paper insulation system has been investigated, using experimental models. The experimental results indicate that the initial creeping discharge voltage of oil-paper insulation system decreases with oil flow rate. The creeping discharge path develops toward the oil entrance, and there are polarity and position effects on creeping discharge under oil flowing conditions. Reasons of failure due to dendritic discharge on the surface of barrier boards in power transformers have been revealed in these experiments.
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