赵录兴;崔翔;李学宝;谢莉;

• 1:新能源电力系统国家重点实验室(华北电力大学)
• 2:中国电力科学研究院有限公司

摘要(Abstract)：

输电线路电磁环境与环境保护和工程投资密切相关,尤其在高海拔地区,直流线路地面合成电场已成为决定导线选择和线路结构参数的关键技术指标。为研究海拔和气压对直流线路地面合成电场的影响,在特高压直流试验基地人工气候环境实验室架设了单根正极性导线,对不同气压下地面合成电场和离子流密度进行了测量和分析,同时基于Deutsch假设的离子流场计算方法对地面合成电场和离子流密度进行了仿真,通过实测和计算结果的分析,获得了海拔和气压对正极导线起晕电压及离子迁移率的影响规律。研究结果表明:海拔每增加1000 m,正极导线起晕电压近似下降8.2%;随着气压的降低,离子的迁移率会逐渐增加,在分析海拔和气压对地面合成电场的影响时,还需要关注离子迁移率的影响。

关键词(KeyWords)： 人工气候室;气压;海拔;直流合成电场;离子流场;正极性电晕

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0900800);; 国家自然科学基金项目(51607162);; 国家电网公司科技项目(GY71-16-010)~~

作者(Author): 赵录兴;崔翔;李学宝;谢莉;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.0809

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