一起同杆并架双回辐射线路跨线故障保护动作分析

Analysis on Protection Action for Overline Fault of Double Loud-circuits on Some Tower

介绍一起罕见的同杆并架双回辐射线异名相不接地跨线故障,结合故障录波图及保护动作原理,分析线路保护的动作行为,提出线路保护配置的优化措施及建议。

This paper introduces a rare out-phase overheadline fault of double loudcircuits on the same tower, analy-zes the action of relay protection using protection principlesand fault recorder, and puts forwards the optimizationscheme of protection configuration.