电网技术2012，Vol.36Issue(5)：47-50,4.
±800kV直流输电线路对邻近树木影响的研究
Influence of ±800 kV DC Power Transmission Line on Adjacent Trees
摘要
Abstract
It is of important significance for design, construction of transmission line as well as for environment protection and mastery of project investment,to determine the minimum distance between ±800 kV DC power transmission lines and adjacent trees by tests. Present situation of the research on influences of transmission lines on adjacent trees home and abroad was analyzed, and the testing method was drafted. 30 species of trees were chosen to perform the test of short-term influence of ±800 kV DC power transmission line on the trees under the UHVDC pilot line, and the distance between the polar conductor and trees was obtained when obvious corona discharge appeared. 90 trees were planted under the pilot line to perform the test of long-term influence of ±800 kV DC power transmission line on trees, and the distance between the polar conductor and burnt trees due to corona discharge was obtained. Based on test results and comprehensively considering the burnt trees due to corona discharge during the test, the appearance of obvious corona on trees and the distribution characteristic of spatial total electric field under polar conductor, the suggestion on minimum vertical distance between polar conduction of ±800 kV DC transmission line and trees was given.关键词
±800 kV直流线路/树木/合成电场/电晕放电/最小垂直距离Key words
±800 kV DC transmission line/ tree/ total electric field/ corona discharge/ minimum vertical distance分类
信息技术与安全科学引用本文复制引用
薛辰东,陆家榆,郭剑,杨勇..±800kV直流输电线路对邻近树木影响的研究[J].电网技术,2012,36(5):47-50,4.基金项目
国家自然科学基金重点项目资助(51037001). （51037001）
