相间距对架空输电线路电磁环境的影响  

Influence of Phase Spacing on Electromagnetic Environment of Overhead Transmission Lines

作　　者：张寿强 ZHANG Shouqiang(Fujian Zhongshisuo Electric Power Testing&Commissioning Co.,Ltd.,Fuzhou,Fujian 350007,China)

机构地区：[1]福建中试所电力调整试验有限责任公司,福建福州350007

出　　处：《自动化应用》2023年第24期171-174,共4页Automation Application

摘　　要：输变电建设项目中架空输电线路的建设需使用多种类型的铁塔,而不同塔型中导线相间距不同,其线路周边的电磁环境影响也不同,其中又以底导线水平相间距的影响为主。本文以福建某220 k V输变电工程为例,预测常用塔型不同底导线水平相间距产生的工频电场强度、磁感应强度,分析架空输电线路底导线水平相间距对输电线路周边电磁场的影响。The construction of overhead transmission lines in power transmission and transformation projects needs to use a variety of towers,and the phase spacing of wires in different tower types is different,and the electromagnetic environment around the line is also different,among which the horizontal phase spacing of bottom wires is the main influence.This paper takes a 220 kV power transmission and transformation project in Fujian as example to predict the power frequency electric field intensity and magnetic induction intensity generated by different horizontal phase spacing of common tower types,and analyzes the influence of horizontal phase distance of bottom wire on electromagnetic field around transmission line.

关 键 词：单回塔 双回塔 塔型 相间距 工频电场 工频磁场 

分 类 号：TM75[电气工程—电力系统及自动化]