电瓷避雷器Issue(5)：27-35,9.DOI:10.16188/j.isa.1003-8337.2025.05.004
环境条件对避雷针电晕放电特性影响模拟研究
Simulation Study on the Influence of Environmental Conditions on Corona Discharge Characteristics of lightning rod
摘要
Abstract
In order to study the microscopic physical process of corona discharge at the tip of lightning rod in thundercloud electric field environment and the influence of environmental factors on corona discharge,the author builds a hybrid model of plasma chemistry and fluid dynamics in air corona discharge process,simulates the physical process of corona discharge at the head of grounding electrode in"plate-rod"air gap,analyzes the variation law of transport parameters in discharge process,and compares the effects of air pressure and temperature on the corona discharge phenomenon at the head of a grounding rod.The re-sults show that with the development of discharge,the peak value of electron concentration is at the head of the rod electrode,and the peak values of electric field strength,electron temperature,N2+concentra-tion and O2+concentration gradually move to the plate electrode.Air pressure and voltage have great in-fluence on corona discharge.With the decrease of air pressure and the increase of voltage,the discharge speed increases gradually.Temperature has little effect on corona discharge.关键词
电晕放电/雷云电场/流体动力学/接地电极Key words
corona discharge/thundercloud electric field/fluid dynamics/grounding electrode引用本文复制引用
杨跃光,屈路,廖玉琴,廖民传,秦浩东,陈怀飞..环境条件对避雷针电晕放电特性影响模拟研究[J].电瓷避雷器,2025,(5):27-35,9.基金项目
滇藏高海拔地区电网雷电基础参数综合分析与工程化应用(编号:CGYKJXM20220051).Project supported by Comprehensive Analysis and Engineering Application of Lightning Basic Parameters in High-Altitude Areas of Yunnan Tibet Power Grid(No.CGYKJXM20220051). （编号:CGYKJXM20220051）
