输变电工程电磁环境防控措施分析

输变电工程设施因载有高电压和大电流,在其周围空间内产生工频电场和工频磁场。为有效降低输变电工程对周围电磁环境的影响,该文在简述相关电磁理论的基础上,分析变电站及输电线路布置形式、配电装置类型等各因素对工频电磁场影响的情况,提出变电站及输电线路的电磁环境防控措施,主要包括优化变电站及线路布置形式,优化配电装置选型,优化站内布局及强化建筑物、绿化景观的电磁屏蔽等。

Power frequency electric field and power frequency magnetic field are generated in the surrounding space of power transmission and transformation engineering facilities because of high voltage and large current.In order to effectively reduce the influence of transmission and transformation projects on the surrounding electromagnetic environment,on the basis of a brief description of the relevant electromagnetic theory,this paper analyzes the influence of various factors such as the layout of substations and transmission lines and the type of distribution equipment on the power frequency electromagnetic field.The electromagnetic environment prevention and control measures of substations and transmission lines are put forward,including optimizing the layout of substations and lines,the selection of distribution equipment,and the layout of the station,so as to strengthen the electromagnetic shielding of buildings and green landscapes.