BACK CORONA .1. ITS FORMATION

被引：7

作者：

THANH, LC

机构：

[1] Department of Electrical Engineering, Ballarat College of Advanced Education, Mt. Helen, Vic. 3350, Gear Avenue

来源：

JOURNAL OF ELECTROSTATICS | 1979年 / 6卷 / 02期

关键词：

D O I：

10.1016/0304-3886(79)90015-9

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The characteristics of a contaminated point-plane electrode have been studied in the range from the onset of back corona to the electrical breakdown in the contaminant. The distribution of surface charge accumulating on the contaminant is found to follow the normal distribution curve. The exponential relationship between the current and voltage in the contaminant indicates that the main contribution to the total current is from surface conduction at low electric fields and emission current at high fields. As the separation distance between adjacent volumes of homogeneous contaminant increases, the induced field which is caused by the constriction of current flow may be sufficiently large to activate in the contaminant a local gas discharge known as back corona. When the electric field in the proximity of the contaminant where back corona occurs is known, the critical resistivity of the contaminant can be found. © 1979.

引用

页码：139 / 160

页数：22

共 18 条

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