高压输电线路的电磁环境越来越受到人们的关注，特高压输电线路的电磁场强度要求直接影响线路建设成本．在改进超高压输电线路工频电场分布的数学模型的基础上，采用逐次镜像法对1000kV交流特高压输电线路工频电场进行计算，采用MATLAB编制计算机仿真程序，对不同条件下的电场进行仿真，得出电场分布与各种因素之间的关系．%Electromagnetic environment of high voltage transmission lines is drawing increasing attention, for its intensity is directly linked to the costs of constructing a transmission line. The mathematical model for electric field distribution of Ehv transmission lines is improved and then successive image method is adopted to calculate the 1000 kV ac UHV transmission lines electric field. Computer simulation program is compiled using MATLAB. Simulations are carried out regarding electric fields under different conditions, from which the correlation between electric-field distribution and various factors is discovered.
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