Study on Discharge Characteristics of Non-uniform Electric Field Air Streamer at Low Temperature and Sub Atmospheric Pressure

被引：0
|
作者：
Zhao Z. [1 ]
Wei X. [1 ]
Yao Y. [1 ]
Zhu B. [1 ]
Nie H. [1 ]
Li Y. [2 ]
机构：
[1] Key Laboratory of Engineering Dielectrics and Their Applications, Ministry of Education (Harbin University of Science and Technology), Heilongjiang Province, Harbin
[2] School of Electrical and Automation, Wuhan University, Hubei Province, Wuhan
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 10期
基金：
中国国家自然科学基金;
关键词：
discharge channel; duty cycle; frequency; low temperature and sub atmospheric pressure; non-uniform electric field; square wave voltage;
D O I：
10.13334/j.0258-8013.pcsee.213012
中图分类号：
学科分类号：
摘要：
The air discharge experimental platform is built and the simulation model is constructed. Air streamer discharge of non-uniform electric field under low temperature and sub atmospheric pressure is studied through experiment and simulation. The results show that when the reduced electric field E/N is the same, the altitude is negatively correlated with the number of streamer bifurcation, streamer propagation velocity, current peak and current decay time, and positively correlated with streamer radius, but the streamer propagation velocity and current obtained by simulation are slightly different from the actual ones. The existence of pre-ionization region leads to different discharge morphology under needle-plate and needle-needle electrode. With the increase of square wave voltage frequency, the dependence of secondary discharge channel on primary discharge channel increases gradually. With the increase of square wave voltage duty cycle, the secondary discharge channel is only reflected at the tail of the primary discharge channel. ©2023 Chin.Soc.for Elec.Eng.
引用
收藏
页码：4034 / 4045
页数：11
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