刘元庆;郭剑;陆家榆;

• 1:中国电力科学研究院

摘要(Abstract)：

利用国家电网公司特高压直流试验基地直流电晕笼,对特高压直流导线在正极、负极、正负双极电晕笼中的可听噪声测量方法进行了研究。对单双极电晕笼内直流导线的表面电场进行了有限元仿真计算。计算结果表明,若施加相同等级的电压,单双极电晕笼中直流导线表面的平均最大标称电场相对差值在0.4%之内,采用单、双极电晕笼试验对导线表面场强的影响可以忽略不计。对单双极电晕笼中的特高压直流正极、负极、正负双极导线的可听噪声进行了全电压测量与分析。结果表明,对于我国现有的直流线路来说,利用正单极电晕笼代替正负双极电晕笼进行可听噪声试验是可行的。

关键词(KeyWords)： 电晕笼;特高压直流线路;可听噪声;正极;双极

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973项目)(2011CB209402);; 国家自然科学基金项目(51107125)~~

作者(Author): 刘元庆;郭剑;陆家榆;

Email:

DOI: 10.13335/j.1000-3673.pst.2012.05.006

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