GEPowerSystemsGEAeroderivativeGasTurbines-DesignandOperatingFeaturesG.H.BadeerGEIADGEPowerSystemsEvendale,OHGER-3695EgContentsAbstract.....................................................................1Introduction..................................................................1SelectionofAeroderivativeEngines.............................................1LM1600GasTurbine........................................................4LM2500GasTurbine........................................................5LM2500+GasTurbine........................................................5LM6000GasTurbine.........................................................6LM6000Sprint™System.....................................................8STIG™Systems............................................................8Emissions................................................................11DesignandOperationofGEAeroderivativeGasTurbines..........................12DesignFeatures...........................................................12Fuels....................................................................13OperatingConditions.......................................................14RatingsFlexibility..........................................................14PerformanceDeteriorationandRecovery........................................16MaintenanceFeatures........................................................17AdvancesinAircraftEngineTechnology.........................................18Summary...................................................................18ListofFigures...............................................................20GEAeroderivativeGasTurbines-DesignandOperatingFeaturesGEPowerSystems GER-3695E (10/00)iGEAeroderivativeGasTurbines-DesignandOperatingFeaturesGEPowerSystems GER-3695E (10/00)iiAbstractAeroderivativegasturbinespossesscertaintech-nicalfeaturesinherentintheirdesignheritagewhichofferoperationalandeconomicadvan-tagestotheenduser.ThispaperpresentsanoveralldescriptionofGE'scurrentLMseriesofaeroderivativegasturbineswithpoweroutputrangingfrom13to47MW.Itdiscussesopera-tionalandeconomicconsiderationsresultingfromGE’saeroderivativegasturbinedesignphilosophies,andthevalueoftheseconsidera-tionsinacustomer’sgasturbineselectionprocess.GE'stotalresearchanddevelopmentbudgetforaircraftenginetechnologyisapproximatelyonebilliondollarsayear.Today’sentireGEgastur-bineproductlinecontinuestobenefitfromthisconstantinfusionresearchanddevelopmentfunding.AdvancesareconstantlybeingmadewhichimproveGE’sgasturbinebenefitstothecustomer.IntroductionHeadquarteredinCincinnati,OH,GE’sIndustrialAeroderivativeGasTurbineDivision(GE-IAD)manufacturesaeroderivativegastur-binesforindustrialandmarineapplications.GEPowerSystemssellsandservicesthecurrentgasturbineproducts,whichincludetheLM1600,LM2500,LM2500+andLM6000.Inaddition,theLM2000isofferedasanintegrat-edpackagedproductincludinganLM2500gasturbineatreducedrating.Figure1presentstheperformancecharacteris-ticsforpowergenerationapplications,whileFigure2presentstheproductline’sperform-ancecharacteristicsformechanicaldriveappli-cations.GE’saeroderivativeindustrialproductsarepro-ducedintwoconfigurations: Gasturbine,madeupofaGE-suppliedgasgeneratorandpowerturbine Gasgenerator,whichmaybematchedtoanOEM-suppliedpowerturbine.Theseturbinesareutilizedinsimplecycle,STIG™(SteamInjectedGasTurbine)applica-tionsforpowerenhancement,orintegratedintocogenerationorcombined-cyclearrange-ments.GEalsoproducesavarietyofengine-mounted,emissionscontroltechnologies,describedinFigure3.SelectionofAeroderivativeEnginesPriortocommencingproductionofanewaeroderivativegasturbinebasedonthecurrentGEAeroderivativeGasTurbines-DesignandOperatingFeaturesGEPowerSystems GER-3695E (10/00)1GEINDUSTRIALAERODERIVATIVEGASTURBINEPERFORMANCECHARACTERISTICSGENERATORDRIVEGASTURBINERATINGSOUTPUTHEATRATEEXHAUSTFLOWEXHAUSTTEMP.FREQUENCYMODELFUELkWeBtu/kWhrkJ/kWhrlb/skg/sdegFdegCHzLM1600PAG1375096241015310346.791048850/60D1375096921022510346.792849850/60LM2000G18000937798921396388647460LM2500PEG22800927397831526997452360D22800934998631526999453460LM2500PKG307008815930019287.295951550/60D296008925941518985.896551850/60LM2500PVG302408598907118684.393149960D288508748922918282.594150560LM6000PCG433158198864827712684545160D421118293874827612585145560G426658323877927712684545150D414798419888127612585145550LM6000PDG422278246869827512584144960D415058331878727312485445760G415948372883027512584144950D408828458892127312485445750Figure1.GEaeroderivativeproductline:generatordrivegasturbineperformancecharacteristicslineofaircraftengines,GEconsidersthefol-lowingfactors: Marketforecastformarineandindustrialengines Projectedperformanceandpricecompetitivenessofthenewlineofaeroderivativeengines Degreeofdifficultyinvolvedinconvertingtheaircraftenginesdesignintothenew,aeroderivativeconfiguration.Thelastpointisextremelyimportant.Inordertokeepanewaeroderivativeproduct’soverallcostaslowaspossible,theaircraftenginecho-senasthebasisforthislinemustbeconvertiblefromaircrafttom