Electrode surface effects on large gap breakdown in SF6 gas

C. Cooke
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引用次数: 2

Abstract

An Investigation of electrode surface effects has indicated that surface defects are a major cause of non-ideal performance of large gaps used in SF6 gas. A discharge inception model with a sensitivity analysis demonstrates that realistic size surface irregularities can initiate failures that compare well with test measurements. Also, a method to treat area effects by using surface statistics has been demonstrated.
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SF6气体中大间隙击穿的电极表面效应
一项对电极表面效应的研究表明,表面缺陷是导致SF6气体中使用的大间隙性能不理想的主要原因。具有灵敏度分析的放电初始模型表明,实际尺寸的表面不规则性可能引发与测试测量结果相当的故障。此外,还展示了一种利用表面统计来处理面积效应的方法。
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