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(),,(,411105):,,,(SCADA),:;;(SCADA);;:TM614;TM761:2008203228;:2008206223(50677058);(863)(2007AA012476)0,,,,,[123][425],,,[627],(EMS),0(cos=1),[8],,,[9]1,(SCADA)EMS,(RTU)2:,1.1,,,11Fig.1Powerforecastmodulebasedonwindspeedforecast1(CIM)[10],,,(BP),sigmoid:f(u)=1/(1+exp(-u))[11],Purelin,3832172008910Vol.32No.17Sep.10,2008,,,,N2S[12]:5u-i5xi=05u-i5t+u-j5u-i5xj=-15p-5xi+v52u-i5x2j-5uiuj5xj(1),,,,,P[13]:P=CpA103v32PN(2):Cp;A;;v;PN,,,PeoptQsref,SCADA(CIS)EMS1.2EMS,EMS,QsoptUsref,SCADAEMS,22Fig.2ReactivepoweradjustingmodulePeopt(i)[14]:Peopt(i)=PTopt(i)(i)(3):PTopt(i)i;(i)i,Qeopt(i)cosopt(i)[15]:Qeopt(i)=Qfarm(opt)Qfarm(max)Qemax(i)cosopt(i)=Peopt(i)P2eopt(i)+Q2eopt(i)(4):Qfarm(max);Qfarm(opt)EMS;Qemax(i)iUsref(i)[16]:Usref(i)=Usopt(i)(5):Usopt(i)i,EMS,(CIU),EMS2,(DFIG),,,,SCADA,DFIG2.1(PWM)33PWMFig.3DoublePWMtransducerDFIGsystem482008,32(17):np60f2=f1(6):f1f2DFIG;nDFIG;pDFIG(6),,,,DFIG:P2=sP1(7):P1DFIG;sDFIG,s0,P20,,;DFIG,s0,P20,,;DFIG,s=0,,2.2DFIG,DFIG,,dq[17218]:uds=Rsids+pds-1qsuqs=Rsiqs+pqs-1ds(8)udr=Rridr+pdr-2qruqr=Rriqr+pqr-2dr(9)ds=Lsids+Lmidrqs=Lsiqs+Lmiqr(10)dr=Lridr+Lmidsqr=Lriqr+Lmiqs(11):sr;u,i,R;LLm;12;;pd,q,,1dmqd90,ds=m,qs=0,:m=Lsids+Lmidr0=Lsiqs+Lmiqr(12),,(8):uds=pmuqs=1m(13),Um=,dq:uds=0uqs=Um(14)(13)(14)pm=0,m=Um/1,1,UmdqPQ:P=udsids+uqsiqsQ=uqsids-udsiqs(15)(9)(10):P=uqsiqs=UmiqsQ=uqsids=Umids(16)(16):Piqs,Qids,iqsidsudruqr(11):idr=Um1Lm-LsLmidsiqr=-LsLmiqs(17)(17)(11),(9):udr=Rridr+apidr-a2iqruqr=Rriqr+apiqr+a2idr+LmUmLs12(18):a=Lr-L2m/Ls,(18):udr=udr-a2iqr=udr-udruqr=uqr+a2idr+LmUmLs12=uqr+uqr(19):udruqr;udruqr(19),,DFIG42iqsids,,P3Q3PQ(PI),i3qsi3ds(17),i3qsi3dsi3qri3dr,i3qriqrPIuqr,uqrqu3qr;i3dridrPIudr,58,:()udrdu3dr4DFIGFig.4ControlsystemofDFIG2.3PWM5:ua,ub,uc;ia,ib,ic;RL;C;udc5PWMFig.5CircuitofdoublePWMtransducers,6:d,q;ujuk;i,ukuji,6Fig.6Coordinatetransformofgridtransducerdq[19]:Ldiddt=-Rid+1Liq+udj-udkLdiqdt=-Riq+1Lid+uqj-uqk(20):udjuqjujd,q;udkuqkukd,q;idiqid,q(20):udk=-udk+udk+udjuqk=-uqk-uqk+uqj(21):udkuqk;udkuqkudk=Ldiddt+Riduqk=Ldiqdt+Riq(22)udk=1Liquqk=1Lid(23),duj,:udj=ujuqj=0(24)(21):udk=-udk+udk+ujuqk=-uqk-uqk(25)(21)(25)77Fig.7Vectorcontrolofgridtransducer:Pk=udjid+uqjiq=ujidQk=uqjid-udjiq=-ujiq(26):Pk0,;Pk0682008,32(17),;Qk=0,id,iq3EMS,[5],,EMS(AVC),,AVC,AVC,AVCSCADAEMS[1]TANGYF,XULY.Aflexibleactiveandreactivepowercontrolstrategyforavailablespeedconstantfrequencygeneratingsystem.IEEETransonPowerElectronics,1995,10(4):4722478.[2]SLOOTWEGJG,KLINGWL.Theimpactoflargescalewindpowergenerationonpowersystemoscillations.ElectricPowerSystemsResearch,2003,67(1):9220.[3]TANDEJOG.Impactofwindturbinesonvoltagequality//Proceedingsofthe8thInternationalConferenceonHarmonicsandQualityofPower:Vol2,October14216,1998,Athens,Greece:115821161.[4].[D].:,2004.[5],,..,2006,30(15):59264.LIJing,LIJianlin,XUHonghua.Acontrolstrategyofdoubly2fedvariablespeedwindturbinesbasedonreactivepoweroptimizationofdistributionsystems.PowerSystemTechnology,2006,30(15):59264.[6],,..,2008,32(1):61265.GUOXiaoming,HEYikang,HEBenteng.Directpowercontrolfordoubly2fedinductiongeneratorwindturbineswithaconstantswitchingfrequency.AutomationofElectricPowerSystems,2008,32(1):61265.[7],,,.PWM.,2005,29(8):71274.WANGJianze,FUXiangyun,ZENGFanpeng.etal.APWMstaticVARcompensatorwithcontinuouslyvariablecapacitivereactivepower.AutomationofElectricPowerSystems,2005,29(8):71274.[8]HarakosanEurope.TechnicaldescriptionoftheZ72windturbine[EB/OL].[2008201223].[9]..,2003,27(8):61265.LEIYazhou.Studiesonwindfarmintegrationintopowersystem.AutomationofElectricPowerSystems,2003,27(8):61265.[10]IEC619702301Energymanagementsystemapplicationprograminterface(EMS2API):Part301commoninformationmodel(CIM)base.1999.[11],,,..,2002,26(20):36244.LIUZhigang,WANGXiaoru,HEZhengyou,etal.Analysisandcomparisonoffunctionapproximationabilitybasedonwavelettransformation.AutomationofElectricPowerSystems,2002,26(20):36244.[12],,..,2005,20(4):5732576.ZHANGYa,LIUShuyan,WANGBaoguo.Applicationofthereynoldsstressmodeltothecalculationofthree2dimensionalturbulentflow2field.AutomationofElectricPowerSystems,2005,20(4):5732576.[13]SAAD2SAOUDZ,JENKINSN.Modelsforpredictingflickerinducedbylargewindturbines.IEEETransonEnergyConversion,1999,14(3):7432748.[14],,,..,2007,31(24):34237.QIAOJiageng,LUZongxiang,YANHuimin,etal.Modelingandsimulationofpowercontrollerforthedoublyfedinductiongeneratorwindturbines.AutomationofElectricPowerSystems,2007,31(24):34237.[15],..,2004,28(23):92296.WUXiaojie,CHAIJianyun.OverviewofACexcitationforvariablespeedconstantfrequencydoublefedwindpowergeneratorsystems.AutomationofElectricPowerSystems,2004,28(23):92296.[16],..,2008,32(4):35239.CHENNing,YUJilai.Anactiveloadallocationmethodtowindpowergenerationindistributionnetworks.AutomationofElectricPowerSystems,2008,32(4):35239.[17],,,..:,1993.[18],,..,2004,24(6):1002105.LIJing,SONGJiahua,WANGWeisheng.Modelinganddynamicsimulationofvariablespeedwindturbinewithlargecapacity.ProceedingoftheCSEE,2004,24(6):1002105.(103continuedonpage103)78,:(),,[1],,,..,2006,30(20):1032107.ZENGGenghu