城市轨道交通杂散电流的防护

Protection of the Stray Current in Urban Rail Transit

杂散电流对供电系统周边的环境和基础设施的危害很大。对杂散电流的防护应采用“以防为主 ,以排为辅 ,防排结合 ,加强监测”的原则。结合多年的现场施工经验 ,从杂散电流的防护方法、技术原理及杂散电流的监测等方面 ,对城市轨道交通杂散电流的防护进行探讨。

Stray currents are particularly harmful for th e s urrounding environment and institutions of Urban rail system.This paper discusse s,by combining the site me asures of prevention and drainage of stray currents,the protective principles,th e monitoring methods,and some effective measurements to be adopted in urban rail transit.