王东来;卢铁兵;陈博;甄永赞;谢莉;鞠勇;刘元庆;

• 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

摘要(Abstract)：

高压直流输电线路下方存在树木的情况十分常见。线路邻近树木时,树木端部可能发生电晕或烧灼现象。为了预防火灾、保护树木,有必要通过仿真计算的方法研究树木周围的直流合成电场,为确定线路与树木的净空距离提供参考依据。对树木的有限元建模方法进行研究,提出典型的树木模型,基于三维上流有限元法计算了直流线路产生的合成电场。在±1100 kV真型试验线路下进行地面合成电场测量实验,对比了计算与测量结果。通过计算,讨论了树木位置、尺寸、数量等因素对树木周围合成电场的影响规律。

关键词(KeyWords)： 直流输电线路;电晕放电;合成电场;树木;上流有限元

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0900800)~~

作者(Author): 王东来;卢铁兵;陈博;甄永赞;谢莉;鞠勇;刘元庆;

Email:

DOI: 10.13335/j.1000-3673.pst.2017.1902

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