交流电气化铁路对某输气管道的交流干扰及防护措施  

AC Interference on a Gas Pipeline by AC Electrified Railway and Protection Measures

作　　者：高志贤[1] 赵世豪[1] GAO Zhi-xian;ZHAO Shi-hao(Centrai Iron&Steel Research Institute QingDao Research Institute For Marine Corrosion,Qingdao 266001, China)

机构地区：[1]钢铁研究总院青岛海洋腐蚀研究所,山东青岛266001

出　　处：《全面腐蚀控制》2016年第9期26-30,共5页Total Corrosion Control

摘　　要：交流电气化铁路对临近路由的埋地钢制管道会产生交流杂散电流干扰,影响管道阴极保护系统的运行,并对管道设备和操作人员的人身安全造成威胁。本文以某条与交流电气化铁路并行达40km的天然气管道为例,阐述了交流电气化铁路对天然气管道的交流干扰的影响、判别、原理和危害,并对被干扰管道采取了接地排流防护措施,有效的减弱了交流干扰,并使管道的阴极保护系统恢复正常,确保了管道的安全运行。AC electric railway can cause stray current interference on buried steel pipeline nearby,which will affect cathodic protection system operation, and threaten the safety of the pipeline equipmentand operator. This paper take a natural gas pipeline as an example which is parallel to AC electrified railwayabout 40km. The influence, discrimination, principle and AC interference harm of the AC electrified railwayon natural gas pipeline are expounded. Grounding drainage measure is adopted on pipeline which reduces theAC interference effectively, recovers Cathodic protection system and ensures the pipeline safe operation.

关 键 词：交流电气化铁路 交流干扰 阴极保护 排流措施 

分 类 号：TG174.41[金属学及工艺—金属表面处理]