Tingbiao Ma, Li’ang Chen, Mingming Xu, Hui Chen, Guowei Ge, Xian Cheng. Probe diagnostics of post-arc residual plasma of vacuum circuit breakers[J]. High Power Laser and Particle Beams, 2021, 33(6): 065013
- High Power Laser and Particle Beams
- Vol. 33, Issue 6, 065013 (2021)
Fig. 1. Volt-ampere characteristic curve of the probe operation
Fig. 2. Probe diagnostic circuit and structure
Fig. 3. Configuration of the probe diagnostics
Fig. 4. Probe control loop
Fig. 5. Test main controller
Fig. 6. Test platform
Fig. 7. Probe test overall waveform
Fig. 8. Local magnification of probe current
Fig. 9. Arc images at 0~0.9 ms before current crosses zero
Fig. 10. Electron density curves at different switching current
Fig. 11. Electron density curves under different types of contacts
Fig. 12. Comparative verification test
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