Experimental investigation on pseudospark switch with glow discharge trigger

A type of glow discharge triggered pseudospark switch is designed, and experimental investigation of the switch filled with He is presented. The relationship between hold-off voltage and gas pressure is measured, which shows that as gas pressure increases, hold-off voltage declines. The hold-off voltage of the pseudospark switch with 3 mm borehole diameter and 4 mm electrode distance is about 85% of that of the switch with the borehole diameter and electrode distance of 3 mm. When the borehole diameter and electrode distance are 3 mm, the influences of parameters on the time delay and jitter of the pseudospark switch is researched, such as glow discharge current, gas pressure and trigger voltage. When glow discharge current is more than 0.45 mA, gas pressure ranges in 7~30 Pa and trigger v