雾霾对高压直流输电线路合成场强和离子流密度的影响研究  

Study on Ionized Field of HVDC Transmission Lines under Fog-Haze Weather

作　　者：王慧娟[1] 罗兆楠[2] Wang Huijuan;Luo Zhaonan(School of Electrical and Electronics Engineering,North China Electric Power University,Baoding Hebei 071003;National Power Grid Corp Exchange Construction Branch,Beijing 100052)

机构地区：[1]华北电力大学(保定)电气与电子工程学院,河北保定071003 [2]国家电网公司交流建设分公司,北京100052

出　　处：《东北电力大学学报》2020年第1期8-14,共7页Journal of Northeast Electric Power University

摘　　要：由于雾霾对高压直流输电线路的电磁环境产生了影响,文中基于通量线法提出了一种考虑雾霾影响的离子流场计算方法,经与实验及现场测量数据对比,证明了该算法的有效性,并以云广土800 kV特高压直流输电线路为例,建立了雾霾不同污染等级下的合成场强和离子流计算模型,得到了在不同雾霾条件下的合成场强和离子流密度.结果表明,雾霞天气下的地面合成场强和离子流密度都相对于正常天气有所增加,并随着雾S天气的污染程度的加剧而上升.该计算方法对高压直流输电线路的规划和设计中分析雾霾天气对电晕的影响因素有参考价值.Because of the influence of haze on the electromagnetic environment of HVDC transmission lines,this paper proposes a method for calculating the ion flow field considering the influence of haze based on the flux line method,compared with experimental and field measurement data,the effectiveness of the algorithm is proved,and then takes the Yunguang ±800kV UHVDC transmission line as an example,the electric field and ion current density calculation model with different haze and haze levels was established,and the resultant electric field and ion current density under different haze conditions were obtained.The results showed that the ground synthetic electric field and ion current density under haze weather increased relative to normal weather,and increased with the increasing degree of haze weather pollution.This calculation method has reference value for the analysis of haze weather and corona impact factors in the planning and design of HVDC transmission lines.

关 键 词：高压直流输电线路 雾S 合成场强 离子流 通M线法 

分 类 号：TM761[电气工程—电力系统及自动化]