流光在液-固界面上的传播

10th International Conference on Conduction and Breakdown in Dielectric Liquids Pub Date : 1990-09-10 DOI:10.1109/ICDL.1990.202940

M. Danikas, P. Atten, A. Saker

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引用次数: 71

摘要

研究了玻璃变压器油界面上的漏电现象。一根浸在变压器油中的针位于一片透明绝缘材料的正上方，其反面是导电的。通过施加高电压U阶跃，产生具有许多分支的径向传播的流。图的径向扩展的平均速度是恒定的，其最终半径随u线性增大。总电荷的测量结果支持了一个轴对称图的图像，电荷的平均分布随半径线性减小。在单个直线拖缆上进行了类似的研究。

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Streamer propagation over a liquid-solid interface

A study of creepage discharges over a glass-transformer oil interface is presented. A needle immersed in the transformer oil is located just above a sheet of transparent insulating material, whose opposite surface is conducting. By applying a step of high voltage, U, a streamer is generated which propagates radially with numerous branches. The mean velocity of radial extension of the figure is constant and its final radius increases linearly with U. The results of measurements of total charge support the picture of an axisymmetric figure, with mean distribution of charge decreasing linearly with the radius. A similar study is performed on a single rectilinear streamer.<>

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10th International Conference on Conduction and Breakdown in Dielectric Liquids

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