超(超)临界机组MFT控制可靠性设计与实现
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摘要
本文结合超(超)临界机组运行特性及控制特点,对炉膛安全监控系统MFT保护控制技术和功能回路设计进行了分析,并针对MFT控制技术调试的实施关键点和优化措施进行了重点阐述,对同类型机组工程MFT控制功能设计及调试有着重要的参考价值。
Base on the operation and control characteristics of ultra-supercritical units,this paperanalyzes the control technique and design for functional loop of master fuel trip(MFT)protection of boilerfurnace safety supervisory system,and also emphatically expounds the key points of implementation andoptimization measures during the MFT control technology commissioning,which is useful for providingimportant refrerence value on fanctional design and commissioning of MFT control for similar units.
Base on the operation and control characteristics of ultra-supercritical units,this paperanalyzes the control technique and design for functional loop of master fuel trip(MFT)protection of boilerfurnace safety supervisory system,and also emphatically expounds the key points of implementation andoptimization measures during the MFT control technology commissioning,which is useful for providingimportant refrerence value on fanctional design and commissioning of MFT control for similar units.
引文
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[2]王耀,沈学强,王疆,等.锅炉主燃料跳闸的故障树建模与功能安全分析[J].化工自动化及仪表,2016,43(10):1065-1069,1110.WANG Yao,SHEN Xueqiang,WANG Jiang,et al.The fault tree modeling and functional safety analysis of main fuel trip in utility boiler[J].Control and Instruments in Chemical Industry,2016,43(10):1 065-1 069,1 110.
[3]孙长生,朱北恒,王建强,等.提高电厂热控系统可靠性技术研究[J].中国电力,2009,42(02):56-59.SUN Changsheng,ZHU Beiheng,WANG Jianqiang,et al.Research on technologies to improve the reliability of I&Csystem for power plants[J].Electric Power,2009,42(02):56-59.
[4]窦建中,鄢发齐,江保锋,吴海宁.燃煤火电机组和常规水电机组主要故障对电网的影响及电力调度员的应对措施[J].湖北电力,2017,41(08):40-44.Dou Jianzhong,Yan Faqi,Jiang Baofeng,Wu Haining.Effects of main faults of coal-fired thermal power units and conventional hydroelectric units on power grid and power dispatcher's countermeasures[J].Hubei Electric Power,2017,41(08):40-44.
[5]贾庆岩,潘杨,岳良,等.1 000 MW超超临界火电机组RUNBACK功能试验及其分析[J].湖北电力,2014,38(06):50-53.Jia Qingyan,Yue Liang,Wang Weitao and others.RUN-BACK function test and analysis of 1 000 MW ultra supercritical thermal power unit[J].Hubei electric power,2014,38(6):51-53.
[6]JIA Qingyan,PAN Yang,LIU Lin,et al.Self-organizes fuzzy neural network and its application to build modeling of the ratio of fuel to water control system in the ultra supercritical unit[C].2011 International Conference on Transportation,Mechanical,and Electrical Engineering,2012,106(s2-3):1 016-1 019.