Modelling of DC arc discharge on ice surfaces

被引：48

作者：

Farzaneh, M ^{[1
]}

Zhang, J ^{[1
]}

机构：

[1] Univ Quebec, Ind Chair Atmospher Icing Power Network Equipment, Chicoutimi, PQ G7H 2B1, Canada

来源：

IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION | 2000年 / 147卷 / 02期

关键词：

D O I：

10.1049/ip-gtd:20000269

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Using a triangular ice sample, the characteristics of the DC are appearing on ice surfaces was investigated. Based on the results obtained, a model for predicting the 50% flashover voltage of ice-covered insulators energised with DC was presented. The model takes into account the ice surface conductivity, voltage polarity, and are root radius. Moreover, to validate the model, the 50% flashover voltage of a short string of five IEEE standard insulators covered with artificial ice under both DC- and DC+ was measured. There was an excellent concordance between the experimental results and those calculated from the mathematical model.

引用

页码：81 / 86

页数：6

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