摘要
探讨了直流输电线路对电信线路危险影响的计算方法，指出了计算直流输电线路对电信线路的电磁危险影响程度、导线的电感量以及大地导电率的计算公式，可供工程设计中应用。
This paper approaches methods of calculating the danger effects of DC transmission lines on telecommunication lines, and works out the formula for calculating the electromagnetic hazards, inductivity of conductors and ground conductivity ratio. The formula can be used in engineering designs.
作者
于文志
强玉平
YU Wen-zhi, QIANG Yu-ping（1.Northeast Electric Power Design Institute, Changchun 130021, China; 2.North China Electric Power Design Institute, Beijing 100011, China）
关键词
直流输电线路
危险影响
电感量
分裂导线
几何均距
DC transmission lines
danger effects
inductance
bundle conductor
geometric mean distance
