Study on Characteristics and Detection of DC Arc Fault in Power Electronics System

被引：0
|
作者：
Liu Yuan [1 ]
Ji Shengchang [1 ]
Wang Jin [2 ,3 ]
Yao Xiu [2 ,3 ]
Zhu Yeye [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, State key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
[2] Ohio State Univ, High Voltage & Power Elect Lab, Columbus, OH 43210 USA
[3] Ohio State Univ, High Voltage & Power Elect Lab, Xian, Peoples R China
来源：
PROCEEDINGS OF 2012 IEEE INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS (IEEE CMD 2012) | 2012年
关键词：
characteristics of dc arc; fault detection; arc current variation; dc source rate of change;
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：
In power electronics System, dc arc, which is difficult to extinguish and to be detected, would easily lead to fire causing great harm to the lines and equipment around[1]. In this paper, a dc arc generation simulation unit is designed. A series DC arc can be generated by dragging the moving electrode away from the fixed one with the help of the stepper motor. During experiments, gap distances, the shape and speed of electrodes are changed to determine the influence factors of the characteristics of series dc arcs. Based on the experimental data, the V-I characteristic of the dc arc is determined. In addition, by analyzing the pulse characteristics of arc current and source output in corresponding window of time, a dc arc fault detection methodology is proposed based on the abrupt change of current and source output, thus makes a good foundation for future works.
引用
收藏
页码：1043 / 1046
页数：4
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