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440200093TangCongCuiXiaoyuHanJing(UniversityofShanghaiforScienceandTechnology,SchoolofPowerEngineering,Shanghai200093)TheenterpriseshaveconcernedthathowtogainthehigherenergyutilizationefficiencyofCCP,sothepaperpresentstheperformanceforecastoftheheatandpowercogenerationabouttheCombinedCyclePlant(CCP),makestheprogramtopredicttherunningparameterandtheenergyutilizationefficiencyinCCPunderdifferentstreamheat-supplyingcondition.Theaboveworkprovidesthetheoreticreferencesforpracticalrunning.engineeringthermophysics;performanceforecast;summarize;thecombinedcycle1981.4411-Fig1Thethermodynamicssystemabouttheoperationmodelofthecombinedcycleplant1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-A-B-C-68.15%83.16%87.09%96.05%442Table1Thecontrastbetweentheresultoftheprogramandthatofthedesigncondition104.09%2Fig2flowchartfor272.54%90.13%97.93%2.89themainprogram443343020000kg/h0.21MW5.26%4018000kg/h0#0.04MW0.7%537.5%45.3%8%6444700123[1]Duck-JinKim,Jin-SeekJeonandHo-YoungKwak,ExergeticandthermoeconomicAnalysesofaCombinedCyclePlantAES-vol.39.proceedingsoftheASMEandvancedEnergySystemsDivision–1999ASME1999.397~405[2],.445[7]K.Mathioudakis,A.Stamatis,E.Bonataki.AllocatingtheCausesofPerformanceDeteriorantioninCombinedCycleGasTurbingPlantsTransactionsoftheASME2002124256-262.