Study on Performance Parameters of the Plasma Source for a Short-Conduction-Time Plasma Opening Switch

LUO Weixi (罗维熙); ZENG Zhengzhong (曾正中); WANG Liangping (王亮平); LEI Tianshi (雷天时); HU Yixiang (呼义翔); HUANG Tao (黄涛); SUN Tieping (孙铁平)

doi:10.1088/1009-0630/14/12/15

Plasma Science and Technology > 2012 > 14(12): 1116-1120. > DOI: 10.1088/1009-0630/14/12/15

LUO Weixi (罗维熙), ZENG Zhengzhong (曾正中), WANG Liangping (王亮平), LEI Tianshi (雷天时), HU Yixiang (呼义翔), HUANG Tao (黄涛), SUN Tieping (孙铁平). Study on Performance Parameters of the Plasma Source for a Short-Conduction-Time Plasma Opening Switch[J]. Plasma Science and Technology, 2012, 14(12): 1116-1120. DOI: 10.1088/1009-0630/14/12/15

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Study on Performance Parameters of the Plasma Source for a Short-Conduction-Time Plasma Opening Switch

Northwest Institute of Nuclear Technology, Xi'an 710024, China

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Received Date: August 05, 2011

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Abstract

Abstract

Plasma source performance parameters, including plasma ejection density and ve- locity, greatly a®ect the operation of a short-conduction-time plasma opening switch (POS). In this paper, the plasma source used in the POS of Qiangguang I generator is chosen as the study object. At ¯rst the POS working process is analyzed. The result shows that the opening perfor- mance of the POS can be improved by increasing the plasma ejection velocity and decreasing the plasma density. The in°uence of the cable plasma gun structure and number on the plasma ejec- tion parameters is experimentally investigated with two charge collectors. Finally a semi-empirical model is proposed to describe the experimental phenomenon.
- POS,
- cable plasma gun,
- plasma density and ejection velocity,
- arc model

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