天益公司600MW机组给水流量低MFT跳机原因分析及处理  

The Low Feedwater Flow MFT Trip Analysis and Treatment of Tianyi Company 600MW Units

作　　者：李萌 张夏平 逯茵 王征 

机构地区：[1]河南省南阳热电有限责任公司,河南南阳473000

出　　处：《河南电力》2011年第2期43-45,共3页Henan Electric Power

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.

关 键 词：DEH 分散控制 热备 常开接点 

分 类 号：TM621.6[电气工程—电力系统及自动化]