Time Delay of a Triggered Vacuum Switch

被引：10
|
作者：
Zhou, Zhengyang [1 ]
Dai, Ling [1 ]
Lin, Fuchang [1 ]
Liao, Minfu [2 ]
Zou, Jiyan [2 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
[2] Dalian Univ Technol, Coll Elect & Elect Engn, Dalian 116023, Liaoning, Peoples R China
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2011年 / 18卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Triggered vacuum switch (TVS); initial plasmas; time delay; BREAKDOWN; GAPS;
D O I：
10.1109/TDEI.2011.6118655
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：
A triggered vacuum switch (TVS) is one of the important switch apparatuses in the field of pulsed power system, due to its quick switching, rapid dielectric recovery, small volume, convenient trigger system, and simple structure. A sample of TVS was fabricated and its turning-on experiments were done. Initial plasmas play an important role in the turning-on process of TVS. The delays of TVS were measured, including wait time t(1) and collapse time t(2), which relate to the generation and development of initial plasmas. From thermodynamics equations, a model of cathode spot heat conduction was proposed. A formula deduced from the heat conduction model could be used to calculate the delay time of TVS. The calculated results of t(1) and t(2) were in accordance with the tested results.
引用
收藏
页码：2138 / 2142
页数：5
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