摘要
针对牵引变电所ZKH-3型馈线成套保护多次发生非正常跳闸故障的现象,进行了现场检查、测试和理论分析,确定了该成套保护误动和越级跳闸的原因,提出了行之有效的处理措施。
With regard to the frequent occurrence of abnormal tripping faults of ZKH-3 feeder assembly protection in substation, implements the site-inspection, test and theoretical analysis of the faults, defines the reasons causing the incorrect operation and over-zone tripping of the assembly protection and points out the effective counter-measures.
出处
《电气化铁道》
2005年第4期17-19,共3页
Electric Railway
关键词
变电所
成套保护
误动
越级跳闸
分析
措施
Substation
assembly protection
incorrect operation
over-zone tripping
analysis
counter-measures
