Fig. 1. Pseudospark switch structure

Fig. 2. Glow discharge - double pulse triggered pseudospark switch

Fig. 3. Schematics of test circuit

Fig. 4. Test site

Fig. 5. Anode voltage waveforms

Fig. 6. Effect of hydrogen pressure U_H on pulse repetition frequency

Fig. 7. Influence of different air pressure (10～90 Pa) on cathode current under simulation

Fig. 8. Influence of different pre-trigger voltages on pulse repetition frequency

Fig. 9. When the main trigger voltage U_tcp1= 1.0 kV, the influence of the pre-trigger voltage U_tcp2 on the trigger current under simulation

Fig. 10. Under different pre-trigger voltages U_tcp2, the pulse repetition frequency changes with the main trigger voltage U_tcp1