高速铁路光纤用户环路系统区间远供回路受牵引供电系统影响计算分析

Calculation and Analysis of the Effect of Pulling Power System on Section Remote Power Supply Circuit on Optical Fiber User Circuit System on High Speed Railway

对高速铁路光纤用户环路系统区间远供回路受牵引供电系统的影响进行了理论计算与分析。给出了典型条件下光缆远供芯线感应电流和感应纵电动势算例，并提出了防护措施。

This paper calculates and analyses the effect of pulling power system on section remote power supply circuit on Optical Fiber User Circuit System on High Speed Railway,and gives out calculation example for induced current and potential on remote power supply core line of optical cable under typical conditions.Finally,protective methods are put forward.