Influence of Trigger Pulse on the Trigger Characteristics of Surface Flashover Trigger Vacuum Switch

被引:11
作者
Zhang, Ming [1 ]
Liao, Minfu [1 ]
Chen, Zhanqing [1 ]
Sun, Wenhao [1 ]
Ma, Hui [1 ]
Duan, Xiongying [1 ]
Han, Xiaotao [2 ,3 ]
机构
[1] Dalian Univ Technol, Sch Elect Engn, Dalian 116024, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan High Magnet Field Ctr, Wuhan 430074, Peoples R China
[3] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China
基金
中国国家自然科学基金;
关键词
Delays; Plasmas; Surface treatment; Jitter; Cathodes; Switches; Dielectrics; Delay time; surface flashover; time jitter; trigger current; trigger voltage; DELAY CHARACTERISTICS; GAP;
D O I
10.1109/TPS.2021.3136160
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Surface flashover triggered vacuum switch (STVS) working performance mainly depends on the electrical characteristics of trigger pulse. This article presents an experimental investigation of the trigger process. The influence of the electrical properties of the trigger pulse on the trigger characteristics is focused. Based on the self-developed high-performance STVS product, the experimental test platform was established. The experimental results show that a shorter delay time of STVS can be obtained by heightening trigger voltage. However, the effect of trigger voltage on time jitter is not obvious. The slight increase in trigger current has evident influence on trigger delay time. It also does not affect the stability of trigger delay. With the increase in trigger voltage rise rate, the trigger delay time and time jitter can be optimized. Finally, the long-term stability of STVS is discussed. After 300 trigger times, the delay time changes from about 140 ns to more than 150 ns and the jitter changes from about 5 ns to more than 10 ns. In the design of STVS products, it is recommended to adopt a trigger system with a fast rise rate of trigger voltage and trigger current.
引用
收藏
页码:116 / 123
页数:8
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