首页> 外文期刊>電気学会論文誌 A:基礎.材料.共通部門誌 >Distinctive Discharge Generated under Impulse Voltage and Negative Creeping Discharge along Aerial Insulated Cable
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Distinctive Discharge Generated under Impulse Voltage and Negative Creeping Discharge along Aerial Insulated Cable

机译:架空绝缘电缆在脉冲电压和负蠕变放电下产生的独特放电

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摘要

We investigated a negative creeping discharge traveling over the surface of insulated power cable under an applied lightning impulse voltage. The developing aspect of discharges was observed in detail using a camera equipped with an image intensifier and a high-speed image converter camera. In this paper, it is shown that the distinctive discharge with a positive polarity appears to a normal direction from the cable surface at the applied voltage more than ~ 90 kVpeak. Negative creeping discharges are extended longer exponentially by the presence of such the positive discharge. The developing mechanism of the creeping discharge is discussed qualitatively based on the experimental results.
机译:我们研究了在施加的雷电冲击电压下在绝缘电缆表面上传播的负蠕变放电。使用配备有图像增强器的相机和高速图像转换器相机详细观察了放电的发展情况。在本文中,可以看出,在施加的电压大于或等于90 kVpeak时,从电缆表面向法线方向显示的是正极性的特殊放电。负蠕变放电由于存在这种正放电而呈指数增长。根据实验结果定性地讨论了蠕变放电的产生机理。

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