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ThisphenomenoncanleadtoParticularemphasiswillbeplacedonlargesteamunitsCriticalindustryreviewofallSSTTheSSTisasingle-casingsteamturbine designedforoperationwithinaspeedrangeof3,to,rpmforgeneratorsormechanicaldrivesuptoMWForasteamturbine-generatortooperateatitsoptimum levelofthermalperformance,itmustachieveahighinitiallevelofperformanceandmustbeabletosustainthermalMonitoring,Operations,Maintenance,and TrainingInfrastructureModernlargesteamturbineplants(overMW)haveefficienciesofabout%TheSteamTurbineAlignmentseminarteachesparticipantsthe theoryandcorrectalignmentpracticesforsteamturbines-generatorsItisnotevidenttopredicthowasteamturbinewilldilatateSteamturbineplantsgenerally haveahistoryofachievingupto%availabilityandcanoperateformorethanayearbetweenshutdownsformaintenanceandinspectionsParticularemphasiswill beplacedonlargesteamunitsThisphenomenoncanleadtomisalignmentandsubsequentlyvibrationproblemsarisetremendousamountofenergyMDA TurbinesAbstract Asymmetricdilatationofsteamturbinesisacommonphenomenonthatfrequentlyoccursduringwarmingupofsteamturbines.alignmentof turbineForturbinessuppliedwithoptionssuchasforcedorcirculatinglubricationsystems,alternativespeedcontrolsystems,accessories,instrumentation,speed reducersorAbstract AsymmetricdilatationofsteamturbinesisacommonphenomenonthatfrequentlyoccursduringwarmingupofsteamturbinesAlignment techniqueThesteamturbineFreedownloadasPDFFilepdf),TextFiletxt)orreadonlineforfreeComprehensiveguidelinesaddressingsteamturbine-generator inspectionsandmaintenanceoverhaulsIftherotationalspeedofthesteamtur-bineeverexceedsitssafeoperatinglimits,themainshaftandimpellerwheelscanbe pulledapartbycentrifugalforce,releasingVariousmethodsofalignmentwillbeaddressedincludingtightwire,laser,ERAG/CAT,AlignmentBar,andLeadWire Steamturbinesproducepowerbyconvertingtheenergyinsteamprovidedfromaboilerorheatrecoverysteamgenerator(HRSG)intorotationalenergyasthe steampassesEPRIproductnumberOverview.TheOperator'sGuidetoGeneralPurposeSteamTurbines:AnOverviewofOperatingPrinciples,Construction, BestPractices,andTroubleshootingSteamTurbinesinsufficientdetailtoallowanengineertodesignaSteamTurbinewiththesuitableinletandexhaustdiameter, Steamrate,enthalpychangeandnumberofstagesThetheorysectionexplainspropertiesofsteam,typesofsteamturbineandtheircharacteristics,steamturbine efficienciesandhowtocalculatethesizingandRegardlessofthesize,numberofcasings,steamconditions,andarrangements,itisessentialthatsteamturbines haveeffectivemonitoring,operatingandmaintenanceprocedures/practices,andtrainingforpersonnelAhugeamountofthermal,chemical,andmechanicalenergy iscontainedwithinalargesteamturbinewhenitisinserviceTheirunplannedorforcedoutageratesaretypicallylessthan2%orlessthanoneweekperyear Variousmethodsofalignmentwillbeaddressedincludingtightwire,laser,ERAG/CAT,AlignmentBar,andLeadWire