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1、ABSTRACTSIS(SupervisoryInformationSystem)inplantlevelistheoutcomeofpowerindustryinformationization.SIS,firstputforwardbyanexpertin1997,isanautomaticinformationsystemincludingreal-timesupervision,optimalcontrolandproductionprocessmanagement.Iteffectivel
2、yconnectsDCS(DistributedControlSystem)andMIS(ManagementInformationSystem)ofthepowerplant,improvesinformationmanagementlevel,lowersthecostandcoalconsumption,reducesthegeneratingunits'malfunctions,monitorsproductionquotasanddiagnosesfaults.Thisthesisgive
3、sabriefintroductiontotheresearchbackgroundanditssignificance,theconceptofSISandthedevelopmentofSISathomeandabroad.Theresearchisbasedon5thextensionprojectofJunliangchengPowerGenerationCo.,LTD.Itdescribesthestatusquoofinformationconstructionoftheplant,th
4、egoalsandrequirementsforusingSIS.Therequirementsincludedesignobjectives,referencestandard,hardwareandsafetyrequirements,databasedecision,interfacestandard,softwarefunctionsanditsrunningenvironment.ItalsoexplainsthereasontochoosePIdatabaseandmakescompar
5、isonwithotherdatabases.Inthepartofdesignandimplementationofthesystem,theauthorintroducesintegratedsystemdesignofnetworkstructureandhardwares,designandimplementationofwebpage,interface,programandsystemsecurityandmakesfurtherexplanationsaboutsystemmanage
6、mentandmaintenance.SIScancoverinformationofpowerunits,productioncurve,statisticalmanagement,loaddistribution,faultdiagnosisandmonitoringequipment.ItbrieflyintroducesclientPIDataLink,PIProcessBookandPIActiveViewofreal-timePIdatabase.TheSISperformsacohes
7、ivefunctionbetweencontrolsystem(DistributedControlSystem,remotemeasuringandcontrollingterminalsystem,auxiliarycontrolnetwork)andmanagementinformationsystem,providingadatabasetoJunliangchengpowerplant.SISplaysavitalroleinproductionprocess.Operatorscanus
8、ereal-timedatatoanalysisinformationandoptimizetheunitrunningwhichcanreducecostandimprovemanagementefficiency.Operatorscanhaveanoverallcontrolofproductionprocess.SIS,secure,economicandstable,hasapositiveeffectonoperatingcostsandmanagemen
