A Corona-stabilised Plasma Closing Switch

被引:21
作者
Beveridge, J. R. [1 ]
MacGregor, S. J. [1 ]
Given, M. J. [1 ]
Timoshkin, I. V. [1 ]
Lehr, J. M. [2 ]
机构
[1] Univ Strathclyde, Dept Elect & Elect Engn, Inst Energy & Environm, Glasgow G1 1XW, Lanark, Scotland
[2] Sandia Natl Labs, Albuquerque, NM 87185 USA
关键词
Pulse power system switches; corona; delay effects; timing jitter; jitter; high voltage techniques; pulse generation; plasma devices; gas discharge devices; pulse compression circuits; pulse power systems; pulse shaping circuits; dielectric breakdown;
D O I
10.1109/TDEI.2009.5211838
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
Corona-stabilised plasma closing switches, filled with electronegative gases such as SF(6) and air, have been used in pulsed-power applications as repetitive switching devices for the last 10 years. Their high repetition-rate capabilities coupled with their relatively simple design and construction have made them suitable alternatives to thyratrons and semi-conductor switches. As well as having repetitive switching capabilities, corona-stabilised plasma closing switches have the potential to operate at elevated voltages through the incorporation of multiple electrode sets. This allows high-voltage operation with inherent voltage grading between the electrodes. A further feature of such switches is that they can have relatively low jitter under triggered condition. This paper reports on some of the operational features of a new design of corona-stabilised, cascade switch that utilises air as the insulating gas. At pressures between 0 and 1 bar gauge the switch has be shown to operate over the voltage range of 40 to 100 kV with a jitter below 2 ns.
引用
收藏
页码:948 / 955
页数:8
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