压力对预击穿拖缆发展的影响

1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 1988-10-16 DOI:10.1109/CEIDP.1988.26343

P. Mckenny, E. Forster, E. Kelley, R. Hebner

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引用次数: 3

摘要

研究了在针球间隙施加负脉冲电压时，液体中流线的起爆问题。施加方形脉冲，使预击穿流光不会增长到击穿。随着压力的施加，观察到初始拖缆坍塌并消失，而电压仍保持在尖端。当电压被截断时，一个新的流光出现，其结构类似于阳极流光。它的分支并不严格遵循在液体中注入电荷的阴极流线的先前分支。使用一个简单的模型，估计大约11nc被注入到液体中，产生49 μ C/cm/sup的电荷密度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of pressure on the development of prebreakdown streamers

The initiation of streamers in a liquid under the application of negative impulse voltages to a needle-sphere gap is investigated. A square pulse is applied so that the prebreakdown streamer will not grow to breakdown. With application of pressure, the initial streamer is observed to collapse and disappear while the voltage remains on the tip. When the voltage is chopped, a new streamer appears which resembles the structure of the anode streamers. Its branches do not strictly follow the previous branches of the cathode streamer which injected the charge in the liquid. Using a simple model, approximately 11 nC is estimated to be injected into the liquid producing a charge density of 49 mu C/cm/sup 3/.<>

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来源期刊

1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena

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