大气条件下厘米级棒-板间隙负极性电晕放电中流注的产生与发展机制

doi:10.19595/j.cnki.1000-6753.tces.222186

Abstract
Figure/Table
References (0)
Related Citation (8)

Download: PDF (2096 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract

The genesis and development mechanisms of streamers during centimeter gap corona discharge should be thoroughly studied in order to increase the DC transmission system's dependability and plasma output on a commercial scale. Few investigations have been done so far on the streamer discharge in the centimeter-level air gap. Using atmospheric circumstances and an 18 cm rod-plate gap, a simulation model of the plasma chemistry of streamer discharge is built in this article. To check the accuracy of this simulation model, an experimental platform is being developed.
Both the Raether and the Meek criteria are predicated on the uniform field, making them inappropriate for determining the flow discharge start at the bar-plate electrode. And the photoelectric ionization criteria is a mathematical model that is based on the highly theoretical flow formation process. Quantitatively solving the model is challenging due to the complexity of the various variable values. The flow is therefore assumed to begin when the electron density exceeds 10¹⁸ 1/m³ in this research based on the experience of flow modeling.
This work examines the distribution and development law of charged particles, average electron energy, and electric field intensity in the growth of streamer discharge based on the simulation results. The findings demonstrate that high-energy electrons are mostly present in the head of the streamer, where their ionization reaction leads in a significant production of positive ions, which distorts the spatial electric field. As a result, both the distribution of the spatial electric field and the average electron energy are compatible with the distribution of electron density.
The maximum development length x of the streamer and the electric field intensity Es at the head of the streamer under a very uneven electric field are determined in this work using the Raether and Meek criterion as inspirations. The findings indicate that the length of the streamer is less than 6 cm when the electric field distortion of the streamer head is less than one times the average electric field, less than 14.5 cm when the electric field distortion is one to five times the average electric field, and less than 12 times the average electric field when the streamer will break through the rod plate gap. The creation of diffuse zone is mostly caused by the accumulation of negative ion layer. This is due to the negative ion layer's augmentation of the electric field in the plate electrode region, which makes it simpler for electrons to get energy, as well as the intensification of the ionization and excitation reactions.
The negative DC rod plate discharge experiment is conducted to ensure the simulation model's accuracy, and the calculated discharge current and experimental discharge current are compared. According to the experimental findings, the streamer and anode glow regions make up the streamer corona. The shape and placement of the streamer, which has a length of approximately 16.66 cm, change depending on the voltage being used. Anode glow area development is mostly due to the distortion of the anode electric field brought on by the negative ion sheath.
In summary, the insights reached in this work can serve as a theoretical foundation for explaining the mechanism of streamer discharge formation and development in negative polarity corona discharge as well as plasma preparation.

Key words： Streamer corona glow discharge Raether criterion Meek criterion ion sheath rod-plate gap

Received: 21 November 2022

PACS:

TM851

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Li Changyun
	Li Yanqing
	Yu Yongjin

Cite this article:

Li Changyun,Li Yanqing,Yu Yongjin. Study on the Generation and Development Mechanism of Streamers in Centimeter-Level Rod-Plate Gap Negative Corona Discharge Under Atmospheric Conditions[J]. Transactions of China Electrotechnical Society, 0, (): 222186-222186.

URL:

https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.222186 OR https://dgjsxb.ces-transaction.com/EN/Y0/V/I/222186

[1] 张贵新, 李大雨, 王天宇. 交流电压下气固界面电荷积聚与放电特性研究进展[J]. 电工技术学报, 2022, 37(15): 3876-3887.
Zhang Guixin, Li Dayu, Wang Tianyu.Progress in researching charge accumulation and discharge characteristics at gas-solid interface under AC voltage[J]. Transactions of China Electrotechnical Society, 2022, 37(15): 3876-3887.
[2] 王瑞雪, 李忠文, 虎攀, 等. 低温等离子体化学毒剂洗消技术研究进展[J]. 电工技术学报, 2021, 36(13): 2767-2781.
Wang Ruixue, Li Zhongwen, Hu Pan, et al.Review of research progress of plasma chemical warfare agents degradation[J]. Transactions of China Electrotechnical Society, 2021, 36(13): 2767-2781.
[3] Masuda S.Pulse corona induced plasma chemical process: a horizon of new plasma chemical technologies[J]. Pure and Applied Chemistry, 1988, 60(5): 727-731.
[4] Starikovskaia S M.Plasma assisted ignition and combustion[J]. Journal of Physics D: Applied Physics, 2006, 39(16): R265-R299.
[5] 宋辉, 孟祥麟, 盛戈皞, 等. 短空气间隙流注放电的实验观测技术综述[J]. 电网技术, 2022, 46(2): 774-785.
Song Hui, Meng Xianglin, Sheng Gehao, et al.Overview of experimental observation technology for short air gap streamer discharge[J]. Power System Technology, 2022, 46(2): 774-785.
[6] Loeb L B, Brown S C.Electrical coronas: their basic physical mechanisms[J]. Physics Today, 1966, 19(1): 109-111.
[7] Ono R, Oda T.Ozone production process in pulsed positive dielectric barrier discharge[J]. Journal of Physics D: Applied Physics, 2007, 40(1): 176-182.
[8] Eichwald O, Ducasse O, Dubois D, et al.Experimental analysis and modelling of positive streamer in air: towards an estimation of O and N radical production[J]. Journal of Physics D: Applied Physics, 2008, 41(23): 234002.
[9] 杨亚奇, 李卫国, 夏喻, 等. 低气压下长间隙交直流放电特性研究[J]. 电工技术学报, 2018, 33(5): 1143-1150.
Yang Yaqi, Li Weiguo, Xia Yu, et al.Research of AC and DC discharge characteristics of long gap under low pressure[J]. Transactions of China Electrotechnical Society, 2018, 33(5): 1143-1150.
[10] 孟晓波, 惠建峰, 卞星明, 等. 低气压下流注放电特性的研究[J]. 中国电机工程学报, 2011, 31(25): 139-149.
Meng Xiaobo, Hui Jianfeng, Bian Xingming, et al.Research on the characteristic of streamer discharge at low air pressure[J]. Proceedings of the CSEE, 2011, 31(25): 139-149.
[11] Chen She, Wang Feng, Sun Qiuqin, et al.Branching characteristics of positive streamers in nitrogen-oxygen gas mixtures[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2018, 25(3): 1128-1134.
[12] 夏喻, 李卫国, 陈艳. 高空下棒-板间隙直流放电特性及电压校正[J]. 电工技术学报, 2018, 33(9): 2115-2120.
Xia Yu, Li Weiguo, Chen Yan.DC discharge performance and voltage correction of air gaps under high altitude[J]. Transactions of China Electrotechnical Society, 2018, 33(9): 2115-2120.
[13] 董曼玲. 直流条件下厘米级间隙流注特性数值仿真及实验研究[D]. 武汉: 华中科技大学, 2012.
[14] Davies A J, Davies C S, Evans C J.Computer simulation of rapidly developing gaseous discharges[J]. Proceedings of the Institution of Electrical Engineers, 1971, 118(6): 816.
[15] Nikonov V, Bartnikas R, Wertheimer M R.Surface charge and photoionization effects in short air gaps undergoing discharges at atmospheric pressure[J]. Journal of Physics D: Applied Physics, 2001, 34(19): 2979-2986.
[16] Peek F W.Dielectric phenomena in high-voltage engineering[M]. 3d ed. New York[etc.]: McGraw-Hill book company, inc., 1929.
[17] Lowke J J, D'Alessandro F. Onset corona fields and electrical breakdown criteria[J]. Journal of Physics D: Applied Physics, 2003, 36(21): 2673-2682.
[18] 刘鹏, 郭伊宇, 吴泽华, 等. 特高压换流站大尺寸典型电极起晕特性的仿真与试验[J]. 电工技术学报, 2022, 37(13): 3431-3440.
Liu Peng, Guo Yiyu, Wu Zehua, et al.Simulation and experimental study on corona characteristics of large size typical electrodes used in UHV converter station[J]. Transactions of China Electrotechnical Society, 2022, 37(13): 3431-3440.
[19] Xiao Dengming.Gas Discharge and Gas Insulation[M]. Berlin, Heidelberg: Springer, 2016.
[20] 郑殿春. 气体放电数值仿真方法[M]. 北京: 科学出版社, 2016.
[21] 廖瑞金, 伍飞飞, 刘兴华, 等. 大气压直流正电晕放电暂态空间电荷分布仿真研究[J]. 物理学报, 2012, 61(24): 245201.
Liao Ruijin, Wu Feifei, Liu Xinghua, et al.Numerical simulation of transient space charge distribution of DC positive corona discharge under atmospheric pressure air[J]. Acta Physica Sinica, 2012, 61(24): 245201.
[22] Zhelezniak M B, Mnatsakanian A, Sizykh S.Photoionization of nitrogen and oxygen mixtures by radiation from a gas discharge[J]. High Temperature Science, 1982, 20(3): 357-362.
[23] Bourdon A, Pasko V P, Liu N Y, et al.Efficient models for photoionization produced by non-thermal gas discharges in air based on radiative transfer and the Helmholtz equations[J]. Plasma Sources Science and Technology, 2007, 16(3): 656-678.
[24] 蔡新景, 王新新, 邹晓兵, 等. 基于Helmholtz模型的流注放电过程光电离快速计算[J]. 中国电机工程学报, 2015, 35(1): 240-246.
Cai Xinjing, Wang Xinxin, Zou Xiaobing, et al.Fast computation of photoionization in streamer discharges based on Helmholtz model[J]. Proceedings of the CSEE, 2015, 35(1): 240-246.
[25] 彭庆军. 空气中流注放电等离子体化学模型研究及其影响因素分析[D]. 重庆: 重庆大学, 2012.
[26] Pitchford L C, Alves L L, Bartschat K, et al.LXCat: an open-access, web-based platform for data needed for modeling low temperature plasmas[J]. Plasma Processes and Polymers, 2017, 14(1/2): 1600098.
[27] Carbone E, Graef W, Hagelaar G, et al.Data needs for modeling low-temperature non-equilibrium plasmas: the LXCat project, history, perspectives and a tutorial[J]. Atoms, 2021, 9(1): 16.
[28] Pancheshnyi S V, Yu Starikovskii A.Stagnation dynamics of a cathode-directed streamer discharge in air[J]. Plasma Sources Science and Technology, 2004, 13(3): B1-B5.