TY - JOUR
T1 - Breakdown properties of rail gap switch with voltage of ±100 kV
AU - Liu, Zhigang
AU - Zeng, Jiangtao
AU - Sun, Fengju
AU - Yin, Jiahui
AU - Qiu, Aici
AU - Liang, Tianxue
AU - Jiang, Xiaofeng
AU - Li, Jingya
PY - 2011/4
Y1 - 2011/4
N2 - A three-electrode, field-distortion-triggered rail gap switch was developed. The self-breakdown curve of the rail gap switch was obtained with different gas species for insulation, i. e. N2, SF6(15%)/Ar(85%) and dry air, which shows a linearity and a small standard deviation. The experimental results of triggering breakdown demonstrate that, the switch has with the mixed gas of SF6 and Ar wider working voltage, lower working ratio, shorter breakdown delay and smaller jitter compared with that with pure N2 gas or dry air. By using digital camera to record the integral discharging image, the influence of the insulation gas and deposited energy etc. on discharging channel formation was investigated. The results demonstrate that it is helpful to increase the discharge channel numbers by using gas mixture (SF6/Ar) and enhancing charging voltage, trigger voltage and energy deposited in spark channels.
AB - A three-electrode, field-distortion-triggered rail gap switch was developed. The self-breakdown curve of the rail gap switch was obtained with different gas species for insulation, i. e. N2, SF6(15%)/Ar(85%) and dry air, which shows a linearity and a small standard deviation. The experimental results of triggering breakdown demonstrate that, the switch has with the mixed gas of SF6 and Ar wider working voltage, lower working ratio, shorter breakdown delay and smaller jitter compared with that with pure N2 gas or dry air. By using digital camera to record the integral discharging image, the influence of the insulation gas and deposited energy etc. on discharging channel formation was investigated. The results demonstrate that it is helpful to increase the discharge channel numbers by using gas mixture (SF6/Ar) and enhancing charging voltage, trigger voltage and energy deposited in spark channels.
KW - Fast Marx generator
KW - High power Z-pinch
KW - Integral discharging image
KW - Multichannel discharging
KW - Rail gap switch
UR - https://www.scopus.com/pages/publications/79957553115
U2 - 10.3788/HPLPB20112304.1127
DO - 10.3788/HPLPB20112304.1127
M3 - 文章
AN - SCOPUS:79957553115
SN - 1001-4322
VL - 23
SP - 1127
EP - 1131
JO - Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams
JF - Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams
IS - 4
ER -