鄂坪电站^#2机PT断线保护动作致机组事故停机的分析

Analysis Fault of ^#2 unit in Eping Hydropower Station by PT Disconnection

针对鄂坪电站首台机组投产不久出现“PT断线”故障引起失磁保护误动致机组事故停机高速加闸现象,分析了事故的成因,提出了防范措施,消除了机组安全运行隐患,同时也为后续机组的安装提供了有益的借鉴.

Owing to the fault of PT discounection for the first unit of Eping hydropower station be put into production before long, it causes mistaking action of protecting device with loss magnetism and leads to unit stopping and appears phenomenon of braking quickly. This paper analyzes fault reasons and puts forward precautionary measure to eliminate hidden troubles for unit running safety. At the same time, it provides experience for the following units be installed.