High Power Laser and Particle Beams, Volume. 31, Issue 12, 125003(2019)
Discharge characteristics of a gas switch triggered by ejected plasma
Figures & Tables(12)
Fig. 1. Construction of the gas switch triggered by ejected plasma and structure of plasma ejection cavity
Fig. 4. Waveform of trigger voltage and that of conduction current
Fig. 5. Delay time and jitter of the switch with different switching coefficients
Fig. 6. Delay time and jitter of the switch with different switching coefficient
Fig. 7. Delay time and jitter of the switch with different gass type and pressures
Fig. 8. Delay time and jitter of the switch with different polarities of main voltage and trigger pulses
Fig. 9. Delay time and jitter of the switch with same polarities of main voltage and trigger pulses
Table 1. main voltage and discharge probability at different gap distance
View tableView in ArticleTable 1. main voltage and discharge probability at different gap distance
distance/mm main voltage/kV discharge number in 40 triggers discharge probability/% 5 −7 40 100 13 −20 38 95 15 −22 34 85 18 −27 28 70
Table 2. Gap distance changes with gas type and pressure
View tableView in ArticleTable 2. Gap distance changes with gas type and pressure
gas pressure/MPa distance/mm SF6 0.2 12 0.3 8 0.5 5 N2 0.2 32 0.3 22 0.5 13 20% SF6＋80% N2 0.2 16 0.3 11 0.5 7
Table 3. Polarities of main voltage and trigger pulse at different working mode
View tableView in ArticleTable 3. Polarities of main voltage and trigger pulse at different working mode
working mode polarities of main voltage polarities of trigger voltage Ⅰ negative positive Ⅱ positive negative Ⅲ positive positive Ⅳ negative negative
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Mingkang Zhang, Xuandong Liu, Xi Shen, Chengjun Liang. Discharge characteristics of a gas switch triggered by ejected plasma[J]. High Power Laser and Particle Beams, 2019, 31(12): 125003
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Received: Jun. 28, 2019
Accepted: --
Published Online: Mar. 30, 2020
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