Experimental investigation on the characteristics of vacuum arc in the process of DC interruption based on artificial current zero

被引：0

作者：

Song, Xiaochuan ^{[1
]}

Shi, Zongqian ^{[1
]}

Liu, Chang ^{[1
]}

Yang, Hongyi ^{[1
]}

Ma, Ming ^{[1
]}

Jia, Shenli ^{[1
]}

Wang, Lijun ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Shaanxi, Peoples R China

来源：

ISDEIV 2010: XXIVTH INTERNATIONAL SYMPOSIUM ON DISCHARGES AND ELECTRICAL INSULATION IN VACUUM | 2010年

关键词：

AXIAL MAGNETIC-FIELD; CATHODE SPOT MOTION; CONTACTS; PARALLEL; SELF;

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 characteristics of vacuum arc in the process of DC interruption based on artificial current zero is investigated experimentally in this paper. A detachable vacuum chamber was used as the main switch. The countercurrent with frequency of 1kHz supplied by an LC circuit was injected by a thyristor. The shape of arc column was investigated with the aid of a high speed digital camera with an exposure time of 2 microseconds. The influence of axial magnetic field distributions on the characteristics of vacuum arc, particularly, on its evolution in initial drawn arc stage, was mainly investigated. The appearance of arc column during the interruption current falling to zero was also investigated.

引用

页码：292 / 295

页数：4

共 15 条

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