EH油系统油动机内漏造成机组跳闸特例分析

Special Case Analysis of EH Oil System Actuator Leakage Caused Unit Tripping

通过淮南平圩发电有限责任公司一期2号机组高压调门EH油系统故障,造成机组异常跳闸,从运行、生技检修两方面进行较为全面分析,综合判断为本次故障为特殊故障特例,为同类型机组采用相同控制系统进行故障处理时提供经验和参考。

Through the fault of the EH oil system in first period unit 2 high pressure regulating valve in International Huainan Pingwei Power Generation which caused abnormal unit tripping,the paper makes a comprehensive analysis from two aspects of maintenance operation,production overhaul,comprehensive judgment of the fault for the special fault cases,to provide the same type units experience of fault processing when using the same control system.