基于MCGS的热电厂锅炉控制系统组态--汽包水位控制系统摘要电力资源在国民经济中是一项不可或缺的能源，在热电厂的生产过程中，最基本的工艺过程是用锅炉生产蒸汽，使汽轮机运转，进而带动发电机发电。而锅炉在发电等工业生产过程中是必不可少的重要的动力设备，因此，锅炉生产过程中的各个主要参数必须严格控制。本设计结合锅炉的生产工艺要求，针对锅炉汽包水位的动态特性，具体分析了单冲量、双冲量、三冲量锅炉汽包水位控制系统，并对其性能特点进行深入的分析和比较，最终选择了三冲量。本设计的主要工作包括：对象特性分析、系统方案分析比较和选择、硬件组成、软件控制方案以及控制组态等。关键词：汽包水位；三冲量；集散控制系统；MCGS组态软件theboilercontrolsystemconfigurationofthehotpowerplantbasedonMCGS--drumwaterlevelcontrolsystemAbstractThepowerresourceisonekindofnecessaryenergyinthenationaleconomy,andthemostbasiccraftprocessisthatusingtheboilertoproducesteamandletthevaportoturn,thendrivingthegeneratortogenerateelectricity.whiletheboileristheessentialmotiveequipmentintheproductionprocessessuchasgenerateelectricityprocess.So,eachparameterintheboilerproductionprocessmustbestrictlycontroled.Connectingwiththecraftrequirementoftheboiler,thedesignanalyzestheone-variable、two-varisble、three-ariableboilerdrumwaterlevelcontrolsystemspecificlyaimsatthedynamiccharacteristicoftheboilerdrumwaterlevel,andfurtherlyanalyzetheirfunctionandcharacteristics,choosingthethree-ariablecontrolsystemintheend.Themainworkofthisdesignincludes:teobjectcharacteristicanalysis、analyzecompareandchoosethesystemscheme、thehardwareconstitute、thesoftwarecontrolschemeandcontrolconfigurationetc.keywords:drumwaterlevel;three-ariable;totaldistributedcontrolsystem;MCGSconfiguration目录摘要......................................................................IAbstract......................................................................................................错误!未定义书签。第一章引言................................................................11.1电力行业发展现状与趋势.............................................11.1.1热电厂发展趋势................................................21.1.2热力发电厂生产流程2.........................................41.2锅炉设备的工艺和分类2..............................................81.2.1锅炉设备的工艺................................................81.2.2锅炉分类.....................................................10第二章锅炉汽包水位控制系统...............................................112.1锅炉汽包水位的动态特性4............................................112.2锅炉汽包水位控制系统的基本方法.....................................142.3单级三冲量和串级三冲量汽包水位控制系统的分析和整定5..............162.3.1单级三冲量汽包水位控制系统的分析和整定.....................162.3.2串级三冲量给水控制系统的分析和整定..........................212.4控制给水的手段....................................................24第三章锅炉汽包水位控制系统的硬件设计....................................273.1分散控制系统1......................................................273.1.1分散控制系统基础.............................................283.1.2分散控制系统基本功能..........................................313.1.3分散控制系统的特点..........................................323.2锅炉汽包水位控制系统硬件图........................................333.3硬件选型..........................................................34第四章汽包水位控制系统...
