电气化铁路贯通线检修中电流伤人事件的研究  

Study on the accident of current injured in the maintenance of electrified railway power transfixion line

作　　者：汤德宁 郎兵[1] 陈山 赵隽[2] Tang Dening;Lang Bing;Chen Shan;Zhao Jun(School of Electrical Engineering Beijing Jiaotong University,Beijing 100044;Yuxi Power Supply Section of Kunming Railways Bureau,Kunming 650100)

机构地区：[1]北京交通大学电气工程学院,北京100044 [2]昆明铁路局玉溪供电段,昆明650100

出　　处：《电气技术》2018年第8期184-190,共7页Electrical Engineering

基　　金：昆明铁路局科技研究开发计划项目(K17J24)

摘　　要：电气化铁路邻近的10k V电力贯通线停电检修区段,如果安全措施采用不当,感应电会对贯通线检修作业人员的人身安全带来严重伤害。论文对贯通线检修过程中发生电流伤人事件的原因进行了分析,对电气化铁路在邻近的贯通线路上产生电磁影响的机理以及静电感应电压、电磁感应电势、感应电流的计算进行了研究,对昆明供电段8.11感应电伤人事件中的感应电进行了计算,并将计算结果与现场的实测数据进行比对,验证了电磁感应计算的有效性。这对评估现场贯通线检修区段的感应电强度,为制定防范感应电伤人的措施提供科学依据,具有实际意义。The induction electricity in the 10kV power transfixion line maintenance section adjacent to the electrified railway will cause serious personal injury of the on-site maintenance workers,if there is any improper security measures.This paper analyzes the reasons of electric current wounding incident during the process of the maintenance of power transfixion line,and studies the mechanism of electromagnetic influence electrified railways has upon adjacent power transfixion line.Meanwhile,researches the calculation of electrostatic induction voltage,electromagnetic induction potential and induction current.Furthermore,compare the calculation solution of the inductive electricity in 8.11 event in Kunming power supply section to the measured data in the field,which verifies the validity of the electromagnetic induction calculation.It has practical significance to assess the strength of induction electricity in the on-site maintenance section and to provide a scientific basis for making the prevention measures of induced electric injury.

关 键 词：电气化铁路 电力贯通线 电磁感应 接地封线 

分 类 号：TM75[电气工程—电力系统及自动化]