Yan-fei LI, Dong HAN, Zong-jia QIU, Kang LI, Yi-kun ZHAO, Liu-jie WAN, Guo-qiang ZHANG. Characteristic Emission Spectrum Analysis and Discharge Identification on the Development Process of Air Corona Discharge[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2956
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 9, 2956 (2022)
Fig. 1. Schematic diagram of the experimental platform
Fig. 2. Simulations of electric field intensity at five voltages
(a):U =12 kV; (b): U =13.5 kV; (c): U =14.8 kV;(d): U =16 kV; (e): U =16.9 kV
(a):
Fig. 3. Emission spectrum in the early stage of discharge
Fig. 4. Emission spectrum of the discharge with deeper degree (U =16 kV)
Fig. 5. Emission spectrum of the critical breakdown stage of discharge (U =16.9 kV)
Fig. 6. Spectral comparison of different discharge stages
Fig. 7. Normalized spectral intensities at three characteristic wavelengths
Fig. 8. Line chart of Full-band photons’ number varying with voltage
Fig. 9. Normalized photons’ number in three bands at different discharge stages
Fig. 10. Normalized photons’ number in two bands at different discharge stages
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