Gas Turbine Plant Modeling for dyanmic simula (1)

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1、GasTurbinePlantModelingforDynamicSimulationSamsonEndaleTurieOctober,2011Master’sThesisMasterofScienceThesisKTHSchoolofIndustrialEngineeringandManagementDepartmentofEnergyTechnologyEGI-2011-MJ211XDivisionofHeatandPowerSE-10044STOCKHOLMMasterofScienceThesisEGI2011:MJ211XGasTurbi

2、nePlantModelingforDynamicSimulationSamsonEndaleTurieApprovedExaminerSupervisorDate29/03/2012DamianVogt(Docent)VeronicaOlesen(PhD)andAndreasJ.JohanssonGasTurbinePlantModelingforDynamicSimulationPageIIAbstractGasturbineshavebecomeeffectiveinindustrialapplicationsforelectricandth

3、ermalenergyproductionpartlyduetotheirquickresponsetoloadvariations.Agasturbinepowerplantisacomplexassemblyofavarietyofcomponentsthataredesignedonthebasisofaerothermodynamiclaws.Thisthesisworkpresentsmodeldevelopmentofasingle-shaftgasturbineplantcyclethatcanoperateatwiderangeof

4、loadsettingsincompletedynamicGTPsimulator.ThemodelingandsimulationhasbeendoneinDymola7.3,basedontheModelicaprogramminglanguage.Thegasturbineplantmodelisdevelopedoncomponent-orientedbasis.Thismeansthatthemodelisbuiltupbysmallermodelclasses.Withthismodelingapproach,themodelsbeco

5、meflexibleanduser-friendlyfordifferentplantoperationalmodes.Thecomponentmodelsofthemainsteady-statecompressorandturbinestageshavebeenintegratedwithgasplenummodelsforcapturingtheperformancedynamicsofthegasturbinepowerplant.Themethodofassemblyusedforgasturbineplantintegrationisb

6、asedonmodelsofthecomponentsfromanengineeringprocessscheme.Inordertoobtainanaccuratedescriptionofthegas-turbineworkingprinciple,eachcomponentisdescribedbyanon-linearsetofbothalgebraicandfirst-orderdifferentialequations.Thethesisprojectprovidesdescriptionsofthemathematicalequati

7、onsusedforcomponentmodelingandsimulation.Acompletedynamicsimulationofagas-turbineplanthasbeenperformedbyconnectingthecompleteplantmodelwithPIcontrollersforbothdesignandoff-designoperatingmodes.Furthermore,turbinebladecoolinghasbeenstudiedtoevaluatethechangesinpoweroutput.Thish

8、asbeendonetocompareandanalyzethebladecoolingeffect.GasTurbine