燃气轮机冷热电联产系统技术与经济性分析

:2004-10-20;:2005-03-24:(90210032):(1972-),,,.:1001-2060(2005)04-0425-05,(,100080):,,20%,;,,,,;,:;;;:TK123:BC;COP;f;h;H;w;q;T;x;;0;a;b;c;CHP;CCHP;e,;eg;h;re;1,,,,,,,,,,,;,,;,,,,,,,,,,,,2:;,1(a)60,,,100,,170,,,20420057JOURNALOFENGINEERINGFORTHERMALENERGYANDPOWERVol.20,No.4Jul.,2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,1(b)1(b),,1(a)1,,10MW,3:,,,,,:f=wPe(1):q=(1Pe-1)w=h4-h0(2)1,,,T4,3:T4T5;T5T6;,T4T6:CCCHP=h4(T4)-h5(T5)h4(T4)-h0(T0)COPa(1Pe-1)w(3)HCCHP=h5(T5)-h6(T6)h4(T4)-h0(T0)(1Pe-1)w(4)HCHP=h4(T4)-h6(T6)h4(T4)-h0(T0)(1Pe-1)w(5)[12]:FESR=(fre-f)Pfre(6),,,,:FESRCCHP=g1(w,e,COPa,eg,COPe,b,T4,T5,T6)(6A)FESRCHP=g2(w,e,eg,b,T4,T6)(6B),,COPa1.2,T5170,,100,,:CCCHP=1.2x1(T4)w(1Pe-1)(3A)HCCHP=x2(T4)w(1Pe-1)(4A)HCHP=x3(T4)w(1Pe-1)(5A)(3A)(5A),,;,,,,,;,,,6242005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,,,21,3,,,(T4)(T5),T5,T4;,,T4,,,3(a)3(b),,,,,:33.3%,8.1%;,COP5.0;90%,4,,,34,,:FESRCCHP=g1(w,e,T4)(6C)FESRCHP=g2(w,e,T4)(6D)5,,0.200.37;,0.300.45,,7244,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,;,4,,,,,,,54[4],,,,,,;,;,,850PkW,104PkW,10%,30%()5%,,35.16MJPm3,1.4Pm320,10%:0.623PkWh,51.40PGJ,79.60PGJ,33%516915,1115315,,,[5],:66,,;,4MW,,,,,2MW,8242005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;24MW;4MW,,:77,,,,,,,,,,,,5,,:(1),;,,,(2),,,(3),,;,(4),,;,,,:[1]HORLOCKJH.Cogeneration2combinedheatandpower(CHP):ther2modynamicsandeconomics[M].NewYork:PergamonPress,1987.[2]LIKAMW.Appliedthermodynamics:availabilitymethodandenergyconversion[M].Washington:Taylor&Francis,1996.[3],.50[M].:,2002.[4].[M].:,1998.[5]ROBERTFARMER.Gasturbineworld2003GTWhandbook[M].Fair2field:Pequotpublishing,2003.9244,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.=TechnologyofGasTurbineTri2generation(Cooling,HeatingandElectricPower)SystemandItsEconomicAnalysis[,]PFENGZhi2bing,JINHong2guang(InstituteofEn2gineeringThermophysicsundertheChineseAcademyofSciences,Beijing,China,PostCode:100080)PPJournalofEn2gineeringforThermalEnergy&Power.-2005,20(4).-425429Ananalysisisgivenoftheperformanceofcurrentcommercialgasturbineswhenusedforthecogenerationofprocessheatandelectricpowerandforthetri2generationofcoolingandheatingenergyandelectricpower.Comparedwithconvention2alsinglegenerationsystemstheabove2mentionedtwosystemsbothhavearelativelygreatedgeintermsofthermodynamicperformancewithenergysavingrateinmostcasessurpassing20%.Gasturbineswitharelativelysmalloutputpowerin2volveanexcessivelyhighmanufacturingcostandresultinarelativelypoorcost2effectivenesswhenusedforthetri2genera2tionofcoolingandheatingenergyandelectricpower.Withanincreaseinoutputpowerandcontinualimprovementofcost2effectivenesstheeconomicperformanceofatri2generationsystemissubjecttotheinfluenceofnumerousfactors,amongothers,thoseofoperationtimeandelectricitypricebeingthemostconspicuous.Thisisfollowedbythepriceoffuelwiththepriceofheatingandcoolingenergyhavingcomparativelytheleastinfluence.Theabove2mentionedfactorsexerciseacomparativelygreatinfluencewhentheoutputpowerofagasturbineisrelativelysmall.Theinfluencedecreas2eswithanincreaseinoutputpower.Keywords:tri2generationsystemofheatingandcoolingenergyandelectricpower,cogenerationsystemofprocessheatandelectricity,gasturbine,economicanalysis=TheApplicationofaSteamTemperatureOptimizedControlSysteminThermalPowerPlants[,]PLINYan2ping(ComputerScienceandEngineeringDepartment,ShanghaiJiaotongUniversity,Shanghai,China,PostCode:200030),ZHOUBao2lin(EmersonProcessControlCo.Ltd.,Shanghai,China,PostCode:201206)PPJournalofEngineeringforThermalEnergy&Power.-2005,20(4).-430432Asaresultofmoreandmoreaggressivecompetition,powerplantsaretakingstepstostrengththeirabilitybyapplyingad2vancedcontrolstrategyandtechnology.Therefore,thestudyofadvancedprocesscontrol(APC)composedofmodelcontroltechnologyandintelligentcontrolstrategysuchasFuzzyLogic,NeuralNetworkgotpopularlyattention.Hereweintroduceanapplicationofadvancedsteamtemperaturecontrolstrategyonfuelpowerstation.TherearetwokindsofcontrolweredesignedbasedonFuzzyLogicandNeuralNetwork.Aftertesting,itindicatedthattheefficiencyofthepowerplantcouldbedistinctlyimprovedbytheapplicationoftheseadvancedcontroltechnology.Keywords:APC,FuzzyLogic,NeuralNetwork,AdvancedSteamControlSSS=SimulationStudyoftheFailureofaSynchro2self2shifting(SSS)Clutch[,]PWANGMing2wei,LIShu2ying,WEIXin2yun,etal(HarbinEngineeringUniversity,Harbin,China,PostCode:150001)PPJournalofEngineeringforThermalEnergy&Power.-2005,20(4).-433437Thefailureofasynchro2self2shiftingclutch(SSSclutch),akeycomponentinmanypowerunits,canleadtothelossofenginepower,therebythefailureofthepowerplantasawhole.Throughananalysisoftheforce2bearingconditionofthemainelementsofaSSSclutchakinematicequationofanintermediateelementwasobtained.ByusingsoftwareMAT2LABPsimulinkasimulationofthedisplacementcurvesoftheintermediateelementwasperformedwithrespecttoitsmove2mentundertheconditionofanabsenceoffailureandthehighestpossibilityofafailureoccurring.Furthermore,thechar2acteristicsofdisplacementcurvesoftheintermed