交流输电线路保护误动原因的分析

Analysis of AC Transmission Line Protection Misoperation

对故障线路相关保护的原理、动作过程进行分析，不仅查明了保护误动的原因，而且指出保护设计缺陷是运行单位防止保护误动不可忽视的内容，对从事保护设计、运行和维护工作具有指导作用。

In this paper, it is analyzed the protective principle and movement process of faulty line. The thesis not only finds out the reason of protection misoperation, but also points out that Protection designing defect is the noticeable content to prevent the protection from misoperation for operation organizations, which could be guidance for protection design, operation and maintenance work.