1,1,1,1,2(1.,650217;2.,463000):2010-12-06;:2011-01-19ElectricPowerAutomationEquipmentVol.31No.3Mar.201131320113:。OPCIEC60870-5-104,。,。,,。7,,、。:;;;;:TP273;TM72;TM73:B:1006-6047(2011)03-0126-050,。AGC(AutomaticGenerationControl),(EMS)AGC,。2009AGC68%[1-2]。,,,EMS,。,AGC。。1(LDS)AGC,LDS,,、、、[3]。1。、DCS(DistributedControlSystem)Link、RTU(RemoteTerminalUnit)、、(PLC)(DCS)。a.RTU。,IEC60870-5-104(104),AGC、15min、(96)、2(96);RTUAGC、AGC、AGC、。104137。b.。,、、,。“”,,,、,,。c.DCSLink,DCS。DCS,DCS,DCSOPC,Link、、、。,OPC1Fig.1Architectureofplant-levelloaddispatchsystemOPC1LinkOPCRTUGR-90EMSIEC60870OPC1PLC()OPCNOPCNLinkOPC…1DCSAGCNDCSAGCServer,2,[5]。d.PLC。DCSDCS,DCS,、、AGC。e.。,“”View,“”C-S,。,、、。f.。,,、,100m,。2,,/。4C/S、()、OPCServer、104、Modbus。2[6]。,。,DCS300,。OPC(OLE)。DCS,DCSOPCServer。。、、、。MFC(MicrosoftFoundationClass)(),,DBCOM,,ActiveX,,,ActiveX,,,,。PCAuto6.0,、、、。。(Draw),、、、、,,,“”,,。3[8-9]。,,,,,。,。,[10]。,。,,。,,,。,,。[11-12]。:minM(Pi)=min鄱i=1nmi(Pi)=weRe(Pi)+wsRt(Pi)=we鄱i=1nPi-lili鄱鄱2+ws鄱i=1nti-tidealtideal鄱鄱2,we,,;ws,,;liPCAuto6.0SP2/(PCAuto6.0SP2)OPCClient(PCAuto6.0SP2)OPCServerDCSAGCRTU2Fig.2Overallsoftwaresystemofplant-levelloaddispatchsystem,:3i;tii;Re(Pi);Rt(Pi);mi(Pi)i;M(Pi)。[13],3。,X11[P1min,P1max],,。1,,。,,。Xn=Ptotal,1,,。。,。,。[14]。,,,。tems,teco,traptmix。tems≥tecotems≤trap10,traptmix<teco,[15]。4,,。,5,,AGC,,AGC。,,AGC,AGC,AGC,AGCDCS,。AGC,3。,(96)。AGC,AGC。,。3,AGC,,,,300MW18MW。DCSAGC,,,。,2,,,CCS(CoordinatedControlSystem)。。,3:、。,2∶2∶3∶3。,。。AGCAGC,3,,。,,。。AGC,3Fig.3Flowchartofdynamicprogrammingj==1?j==n?j++YNNY31,,,。、、,。,。,RTU、DCSPLC“”,20s,20s,。DCS,DCSAGCCCS,,AGC,。57,。,,。,:;;;;;;;;。:,,,,。6SIS(SupervisoryIn-formationSystem),。,OPC,、、、。、,。。7、。:[1],,.AGC[J].,2009,33(20):96-99.LIUHesen,SHIHengchu,TENGXianliang.Hydro-thermalAGCgeneratorscoordinatedoptimizationcontrolstrategyinYunnanpowergrid[J].AutomationofElectricPowerSystems,2009,33(20):96-99.[2],.[J].,2008,28(10):83-87.AILin,HUADong.Powersystemintelligentdispatch[J].Elec-tricPowerAutomationEquipment,2008,28(10):83-87.[3],.[J].,2005,38(6):50-52.HOUZiliang,HOUYunhao.AdvancingtheapplicationofloaddistributionoptimizationinSIS[J].ElectricPower,2005,38(6):50-52.[4],,,.AGC[J].,2009,29(8):114-117.SUNWei,QIUXizhao,WANGYong,etal.Applicationofeco-nomicAGCdeviceincoordinationbetweenunitandgrid[J].ElectricPowerAutomationEquipment,2009,29(8):114-117.[5],.OPC[J].,2008,28(9):97-100.JIANGJin,DUANBin.Real-timedatatransmissioninmonito-ringmasterstationbasedonOPCtechnology[J].ElectricPowerAutomationEquipment,2008,28(9):97-100.[6],,.DCSOPC[J].,2007,27(7):95-97.LUHuiming,DENGHui,ZHANGZhiguang.OPCschemetorea-lizeopennessofpowerplantDCS[J].ElectricPowerAutomationEquipment,2007,27(7):95-97.[7],,,.[J].,2004,28(5):80-84.CAOWenliang,WANGBingshu,GAOJianqiang,etal.Designoftheoptimalloaddistributionsystemofplantlevelforpowerplant[J].AutomationofElectricPowerSystems,2004,28(5):80-84.[8],,,.PSO[J].,2006,33(5):19-24.WANGZhiguo,LIUJizhen,TANWen,etal.Optimalloaddistri-butionforspeedinessinpowerplantsbasedonmodifiedPSO[J].JournalofNorthChinaElectricPowerUniversity,2006,33(5):19-24.[9],,,.SIS[J].,2009,29(12):19-23.LIUJinxiong,LIUDichen,WANGBo,etal.OptimizationofpowerplantcontrollableindexesbasedonSIS[J].ElectricPowerAutomationEquipment,2009,29(12):19-23.[10],,.[J].,2008,28(14):103-107.WANGYou,MAXiaoqian,LIUAo.Studyonplant-levelopti-malloaddistributionbasedonautomaticgenerationcontrol[J].ProceedingsoftheCSEE,2008,28(14):103-107.[11],,.[J].,2009,25(3):213-216.LILing,KEYan,ZHOUXin.Comparisonofalgorithmsonloadeconomicdispatchofthermalpowerplants[J].JournalofShang-haiUniversityofElectricPower,2009,25(3):213-216.[12].[J].,2008,28(35):102-107.LIXuebin.Studyofmulti-objectiveoptimizationandmulti-at-tributedecisionmakingofeconomicloaddispatchproblem[J].ProceedingsoftheCSEE,2008,28(35):102-107.[13],,,.,:3DevelopmentofoptimalloaddispatchsystemforpowerplantZHAIWeixiang1,LIUYoukuan1,SUShi1,LIZhengzhi1,ZHAILingling2(1.RenewalEnergyandSmartGridBureau,YunnanElectricPowerTest&ResearchInstitute,Kunming650217,China;2.ZhumadianElectricPowerCorporation,Zhumadian463000,China)Abstract:Asolutionofplant-leveloptimalLDS(LoadDispatchSystem)isproposedforpowerplants.ThehardwirewiringintraditionalLDSisreplacedbyOPCserverandIEC60870-5-104communication,whichsimplifiesitssystemhardwarestructure.Theloadbiasadjustmentandmanualfunctionsareaddedtoitssoftware,whichenhancesthedispatchmodediversity.Itsmulti-objectiveoptimizationalgorithmbasedondynamicprogrammingconsidersboththeloadresponseandplanteconomytoeffectivelymeetboththerequirementofdispatchcenterforquicknessandtherequirementofplantforoptimaltotalcoalconsumption.Theapplicationsin7powerplantsvalidateitseffectivenessineconomicloaddispatch,aswellasitsflexibility,reliabilityandstabilityinoperation.Keywords:automaticgenerationcontrol;plant-levelAGC;optimalloaddispatchsystem;dynamicpro-gramming[J].,2006,26(19):86-92.WANGZhiguo,LIUJizhen,TANWen,etal.Multi-objectiveoptimalloaddistributionbasedonspeedinessandeconomyinpowerplants[J].ProceedingsoftheCSEE,2006,26(19):86-92.[14],,.[J].,2009,29(1):94-98.ZHANGXiuxia,WANGShuangxin,WUGua