Fig. 1. Structure of corona stabilized triggered switch (CSTS）

Fig. 2. E-field configuration in self-breakdown state

Fig. 3. Structure of trigger electrode

Fig. 4. Comparison of the non-uniform coefficient f of different trigger electrode structure

Fig. 5. Schematic diagram of mixed gas discharge process under extremely non-uniform field

Fig. 6. Schematic of CSTS self-breakdown experiment and the charging voltage on HV electrode

Fig. 7. Variation of breakdown voltage distribution and dispersion of gas switch under different pressure in 15%SF₆/N₂ gas mixture

Fig. 8. 15% breakdown voltage distribution of gas switch under different pressure in SF₆/Ar gas mixture

Fig. 9. Influence of SF₆ ratio on breakdown voltage and dispersion in SF₆/N₂ gas mixture

Fig. 10. Distribution of self-breakdown voltage under different D_p

Fig. 11. Variation of average self-breakdown voltage and dispersion under different U₁

Fig. 12. Variation of the breakdown voltage dispersion with voltage U₁ under different D_p

Fig. 13. Variation of the breakdown voltage dispersion with voltage U₁ under different SF₆ proportion

Fig. 14. Variation of the breakdown voltage dispersion with voltage U₁ in gas mixture of SF₆, N₂ and Ar

Fig. 15. Schematic diagram of high-energy RAEs during corona stabilization stage

Fig. 16. Comparison of E-field configuration between wedge-shaped trigger and groove-shaped trigger

Fig. 17. Typical breakdown waveform of 20 pulses of groove trigger, U₁=1 300 V, D_p=5 mm

Fig. 18. Variation of the self-breakdown voltage and dispersion of the groove-shaped trigger with U₁