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| Characteristics of a Surface-Breakdown Triggered Vacuum Switch with Six-Gap Rod Electrode System |
| Dai Ling, Zhou Zhengyang, Nan Jing, Wang Yanzhao, Lin Fuchang |
| State Key Laboratory of Advanced Electromagnetic Engineering and Techno logy Huazhong University of Science and Technology Wuhan 430074 China |
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Abstract A triggered vacuum switch (TVS) is one of the important apparatuses in the field of pulsed power system, especially the electromagnetic launch. It has many advantages, such as wide operating voltage range, high current capability, high transfer charge, flexible trigger system, high trigger reliability, rapid dielectric recovery, long life, low noise, etc. A sample of surface-breakdown TVS with six-gap rod electrode system was fabricated in this paper. A trigger system was designed and a platform for the TVS test was set up. Experiment results show that, the sample designed has working voltage of 0.05~25kV, working current of more than 100kA in peak value and charge transfer of more than 25C. The total delay of TVS is less than 1.5μs, including the wait time of 800ns and collapse time of 700ns. At last, the working polarities are discussed, showing that the positive working mode is more reliable and advantageous.
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Published: 20 March 2014
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| Fund:Supported by National Natural Science Foundation of China (51007028).; Received; Received in revised form September 20, 2011. |
| About author:: Dai Ling female, born in 1976, Ph.D. degree, associate professor. She has been working on pulsed power technology and high voltage engineering.Zhou Zhengyang male, born in 1981, Ph.D. degree, post-doctoral. He is engaged in the study of triggered vacuum switch and pulsed power technology. |
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2012, Vol. 27 
