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3410Vol.34No.10200910JOURNALOFCHINACOALSOCIETYOct.20090253－9993200910－1424－06230009PWM..660VMatlab.PWMTD534A2008－10－302008jq10031975—.E－mailwxc_0311@163.comMinehoist’sadjustable-speeddrivesystemusingdouble-fedinductionmotorbasedonvectorcontrolstrategyWANGXiao-chenLIHong-meiSUNFeng-xiangSchoolofElectricalEngineeringandAutomationHefeiUniversityofTechnologyHefei230009ChinaAbstractAccordingtounsatisfactoryactualityofadjustable-speeddrivesysteminminehoistsanewspeedadjus-tingschemeusingACdouble-fedmotorsystemwithduelPWMconverterwasputforwardtoreplacethetraditionalscheme.Thisadjustable-speeddrivesystem’sstructuregraphwasgiventhenthestrategyofvectorcontrolorientedbystatorfieldwasadoptedandthecontrolsystem’smodelwasdesigned.Itcanrealizehightechnicalstandardssuchasnonespeedstaticdifferencegoodfollowingperformanceandunitypowerfactoratthestatorsideunderweightload.Takenhoistof660Vgradeasanexampleallsortsofthissystem’sworkingsituationduringonelift-ingcyclewassimulatedindetailbyMatlab.Thesimulationresultsprovethatthisschemeisapplicable.Keywordsminehoistspeedadjustmentusingdouble-fedinductionmotorvectorcontroldualPWMconverter60%..3～41...PWM、210.1、1.S11Fig.1Structureofthehoist’sACdouble-fedvariablespeedsystemPWM、、S2.PWM1Ud3－4.PWM2、、Ud、、、.2Fig.2Thegivenspeedandforcecurvesduringonehoistcyclen、、、2a.2bc2d..45.①.②0～2.21.③6.3Fig.3Vectorofdoublefedinductionmotor’svectorcontrolsystemorientedbystatorflux273.MΨs90°TMω1.daωr.αβαA.Mdθsθs=∫ω1－ωrdt.MAθ1=∫ω1dt.ωs=ω1－ωr.5241200934usm=Rsism+PΨsm－ω1Ψstust=Rsist+PΨst+ω1Ψsm1urm=Rrirm+PΨrm－ωsΨrturt=Rrirt+PΨrt+ωsΨrm2Ψsm=Lsism+LmirmΨst=Lsist+Lmirt3Ψrm=Lrirm+LmismΨrt=Lrirt+Lmist4PismistirmirtIsIrMTusmusturmurtUsUrMTΨsmΨstΨrmΨrtΨsΨrMTRsRr、LsLrLm、.Ψsm=｜Ψs｜Ψst=03ism=Ψsm－Lmirm/Lsist=－Lmirt/Ls.550HzRs8.90°.usm=0ust=｜Us｜.Ψsm=｜Ψs｜Ψst=0ust=｜Us｜1｜Ψs｜=｜Us｜/ω1.54Ψrm=Lm/LsΨsm+Lr1－Lm2/LsLrirmΨrt=Lr1－Lm2/LsLrirt.6a=Lm/Lsb=Lr1－Lm2/LsLrΨrm=aΨsm+birmPΨrm=aPΨsm+bPirm=bPirmΨrt=birtPΨrt=bPirt2urm=Rr+bPirm－bωsirturt=Rr+bPirt+aωsΨsm+bωsirm.77aωsΨsmbωsirmbωsirt.irmurmirturt.urmurturm=KiP+KiI/si*rm－irm－bωsirturt=KiP+KiI/si*rt－irt+aωsΨsm+bωsirm8KiPKiIPIi*rmi*rtirmirt.urmurtu*au*bu*cSPWM6.Te=3/2npLmismirt－irmist9np.59Te=3/2npLm/LsΨsmirt.1010Ψsmirt.irti*rt=T*e/3/2npLm/LsΨsmT*e.PIKnPKnIT*e=KnP+KnI/sn*－nn*.i*rt=KnP+KnI/sn*－n/3npLm/LsΨsm/2.irtTeirmi*rm9.3i*rm=Ψsm－Lsi*sm/Lm.i*sm=tanφ*istφ*..3/2Ψsα=∫usα－RsisαdtΨsβ=∫usβ－RsisβdtαβαβΨsαΨsβΨs=Ψ2sα+Ψ2s槡β.4.ASRACRT624110ACRM、.“C2r/3s”“C3s/2r”.4Fig.4Controlofdoublefedinductionmotor’svectorcontrolsystemorientedbystatorflux33.14MatlabSimulink.52a.5Fig.5Simulinkmodelofvectorcontrolsystemfordoublefedspeedadjusting630kW/660VPN=630kWUs=380Vnp=2Rs=0.024ΩR′r=0.087ΩLls=0.8mHLlr=0.8mHLm=80mHnN=1430r/minJ=30kg·m2.TeN=4207N·mn0=1500r/min｜Ψs｜=｜Us｜/ω1=660/100π=2.1Wb.PIKiP=1KiI=1.KnP=50KnI=10.1i*sm=0.1200VPWMPWM.72412009343.21n*=1200r/min3000N·m.、30s29s11s40r/min.6.6Fig.6Simulationresultsofacycleofhoistingwithheavyloadundersynchronousspeednn*40r/min3000N·m.、2ab.0.10Hz48.7Hz1200r/min40r/min.2n*=1200r/min100N·m.7.、.100N·m.Te180°.2ac.10Hz1200r/min.7Fig.7Simulationresultsofacycleofhoistingwithlightloadundersynchronousspeed3n*=2250r/min3000N·m.、30s29s11s75r/min.8.8Fig.8Simulationresultsofacycleofhoistingwithheavyloadabovesynchronousspeedn*75r/min3000N·m824110.2ac.0.25Hz2250r/min..4n*=2250r/min200N·m.9.n*.200N·m.Te180°.2ac..9Fig.9Simulationresultsofacycleofhoistingwithlightloadabovesynchronousspeed、.4Matlab.1TapiaATapiaGOstolazaJXetal.ModelingandcontrolofawindturbinedrivendoublyfedinductiongeneratorJ.En-ergyConversionIEEETransactions2003182194－204.2GallardoSCarascoMJGalvanEetal.DSPbaseddoublyfedinductiongeneratortestbenchusingabacktobackPWMconverterA.IECONConferenceRecordoftheIEEEC.PusanSouthKorea2004222－225.3.PWMM.2003.4WuRDewanSBSlemonGR.APWMACtoDCconverterwithfixedswitchingfrequencyJ.IEEETransactionsonIn-dustryApplications1990265880－885.5MullerSDeickeMDeDonckerRW.DoublyfedinductiongeneratorsystemsforwindturbinesJ.IEEEInd.Appl.Mag.20028326－33.6.J.20052519146－151.WuShengZhouLibing.Studyofdoubly-fedinductionmachinewithAC/DC/ACconverterJ.ProceedingsoftheCSEE20052519146－151.7PeterssonAHarneforsLThiringerT.ComparisonbetweenstatorfluxandgirdfluxorientrotorcurrentcontrolofdoublyfedinductiongeneratorsA.PESCConferenceRecordofthe2004IEEEC.AachenGermany2004.8EkanayakeJBHoldsworthLWuXGetalDynamicmodelingofdoublyfedinductiongeneratorwindturbinesJ.IEEETrans.PowerSyst.2003182803－809.9EkanayakeJBHoldsworthLJenkinsN.ControlofdoublyfedinductiongeneratorDFIGwindturbinesJ.IEEEPowerEng.200317128－32.9241