Fig. 1. Stages of TVS operation

Fig. 2. Simulation results of the triggering stage

Fig. 3. Circuit models of conducting stage

Fig. 4. Circuit model and PSpice simulation model of initial discharging stage

Fig. 5. Simulation results of initial discharging stage

Fig. 6. Images diagram of ZKTC

Fig. 7. Trigger device and its output waveform

Fig. 8. Test platform of the ZKTC and its test waveforms

Fig. 9. Effects of trigger voltage on various operational stages of ZKTC

Fig. 10. Effect of trigger signal pulse width on the conducting stage t₂ of ZKTC

Fig. 11. Effect of working voltage on various operational stages of ZKTC operational process