摘要
分析了一起因给水泵汽源切断,造成给水流量低MFT动作跳机的事故经过,提出了汽机跳闸信号来源及小汽机汽源切换方面存在的问题,并有针对性的制订了防范措施,在同类型机组的控制改进上具有较好的借鉴意义。
Analyzing a MFT trip accident of low feedwater flow because of the steam stop of feedwater pump, pose problems in turbine trip signal source and steam switch of small turbine and work out preventive measures for that, which has the very great reference sense in the control improvement of the similarunits.
出处
《河南电力》
2011年第2期43-45,共3页
Henan Electric Power
关键词
DEH
分散控制
热备
常开接点
DEH
distributed control
hot standby
normally open contacts