牵引变电所馈线保护装置拒动事件分析  

Analysis of Failure to Operation of Feeder Protection Device in Traction Substation

作　　者：孙金华[1] 陈敬锋[1] 

机构地区：[1]国电南京自动化股份有限公司

出　　处：《电气化铁道》2012年第5期15-16,20,共3页Electric Railway

摘　　要：对牵引变电所一次因馈线保护装置拒动导致的主变压器后备保护越级跳闸事件做了全面分析,给出了馈线过电流、高阻I段、阻抗保护装置均未动作的原因,提出了运行改进措施。The paper analyses a leapfrog tripping event of main transformer backup protection for the feeder protection refusing operation in the traction substation.The paper points out the reasons of the feeder refusing operation of Over-current protection,High-impedance segment I protection and impedance protection,and puts forward the appropriate countermeasures.

关 键 词：牵引变电所 馈线保护 拒动 

分 类 号：U224.4[交通运输工程—道路与铁道工程]