volume 10, issue 2, P978-986 1995
DOI: 10.1109/61.400831
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Abstract: This paper presents the results of tests conducted to verify the effect of the voltage source on the critical flashover voltage of dc insulators under pollution. Tests were performed under 3 pollution levels using voltage sources with different voltage drop x leakage current characteristics. A data acquisition system was used to record all current pulses above a certain pre selected current level and the corresponding voltage evolution during current pulse duration, which made possible a complete analysis of …

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