高电压技术2018，Vol.44Issue(1)：264-274,11.DOI:10.13336/j.1003-6520.hve.20171227032
高海拔特高压直流线路电磁环境特性研究
Electromagnetic Environment Characteristics of UHVDC Transmission Line in High Altitude Area
摘要
Abstract
In order to study the electromagnetic environment(EME) characteristics,prediction,and protection of UHVDC transmission line in high altitude area,in Kunming UHV national engineering laboratory,first,we established an EME testing platform of UHVDC transmission line in high altitude area,and obtained EME characteristics during experimental studies for six years.Then,we derived the altitude correction factors of the audible noise of 1 dB/1 000 m and radio interference of 4.3 dB/l 000 m,and put forward a prediction formula of radio interference strength and audible noise considering meteorological parameters.Finally,we measured the EME of the ±800 kV Chu-Sui DC transmission line for contrast,and proposed the drainage shielding methods to reduce the maximum of ground electric field strength to 50％.关键词
高海拔/特高压直流线路/电磁环境/防护措施/预测分析Key words
high altitude/UHVDC transmission line/EME/protect method/prediction and analysis引用本文复制引用
王国利,李敏,刘磊,李斌,曾嵘,余占清..高海拔特高压直流线路电磁环境特性研究[J].高电压技术,2018,44(1):264-274,11.基金项目
广东省科技计划(2017A020216015).Project supported by Technology Program of Guangdong Province(2017A020216015). （2017A020216015）
