SF6 Breakdown in Cylindrical Field with dc Voltage.

被引：0
|
作者：
Ermel, Michael
机构：
来源：
Elektrotechnische Zeitschrift Ausgabe A | 1975年 / 96卷 / 11期
关键词：
ELECTRIC INSULATING MATERIALS - Gases;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Investigations were made in a coaxial cylinder system at high dc-voltages up to 900 kV and at high gas pressures up to 6 bar. The SF//6-breakdown-behavior can be classified into three regions according to the following aspects: I) breakdown after steady corona discharges, II) validity of the similarity law for the discharge onset voltage, III) deviations of the similarity law with a marked polarity effect. Possible explanations are given for the polarity effect and the deviations in region III. The results can be of importance for a future application of SF//6-insulation in HVDC systems.
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页码：505 / 510
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