The current and voltage figures during discharges for the solid dielectric constructions

被引：0
|
作者：
Kogut, Krzysztof [1 ]
Kasprzyk, Krzysztof [1 ]
Zboromirska-Wnukiewicz, Beata [1 ]
机构：
[1] Inst Elektrotech, Oddzial Technologii & Mat Oznawstwa Elektrotech W, PL-50369 Wroclaw, Poland
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2012年 / 88卷 / 5A期
关键词：
Surface discharge; flashover voltage; surface charge; impulse current; impulse voltage; FLASHOVER; SURFACE;
D O I：
暂无
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 results of electrical strength investigations of a ceramic insulators was showed. The current and voltage graphs during impulse high voltage tests were recorded. The spices were modified by coatings which change the surface resistivity of the samples. Effect of surface modification on the current and voltage figures was described. The results of the flashover voltage with the use of impulse voltage was showed. Using the layers with surface resistivity in order of 10(10)-10(11) Omega increases flashover voltage about 17%. The figures of discharges during impulse voltage tests with positive polarization were recorded. Based on the electrical strength results and discharge observation the impact of surface charge on the discharge trajectory was showed.(The current and voltage figures during discharges for the solid dielectric constructions).
引用
收藏
页码：139 / 142
页数：4
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