1Fig.1VectorandprinciplediagramsoftransformerfromthreephasestosinglephaseOCBAcbaIAIBICIaIbIcUAUBUCU2(b)(a)NANBNCNaNbNcUaUbUcU2(201319):。:;;:TM402:B:1001-8425(2009)10-0011-041,,。,,IGBT。、,、,?,,T。2,,。,。,“”,。,-。33.1,1。:NA=NB=NCNa=Nb=NcIa=Ib=IcPrincipleandDesignofImplementationfromThreePhasestoSinglePhaseBasedonTransformerYANGDe蛳long(SchaffnerEMC(Shanghai)Co.,Ltd.,Shanghai201319,China)Abstract:Thebasicrequirementsofimplementationfromthreephasestosinglephasewithtransformerareintroduced.Theprincipleandoperationalcharacteristicsofsomedevicesarepresented.Keywords:Transformer;Threephases;Singlephase4610200910TRANSFORMERVol.46OctoberNo.102009461Table1Testdataofload/A/V/A/VIAIBICUABUBCUCA5.02447.214.57.1101103102ABCax123456IAIBICI2axABC12(b)(a)2VIFig.2PrincipleandvectordiagramsoftransformerwithVIconnection,,A、C,IA=IC。Ia、Ib,IaNa=-IbNb。,:IANA+IaNa=0IBNB+IbNb=0:IA=-IB=IC(1)1,,。BA、C120°180°,。,1b:U2=2Ua=2Ub=2Uc:P2out=I2U2=2I2Uc,:P2in=IaUa+IbUb+IcUc=3I2Uc。:η=P2outP2in=23=0.6673.2VIVI,2a。,,1、3、52、4、6。2b,Uax=23姨U3,:IA+IB+IC=0(2)IAN1+I2N3+I2N5=0(3)ICN2+I2N4+I2N6=0(4)N1=N2(5)N3=N5=N4=N6(6)(2)~(6):IA=IC=-0.5IB(7),VI,,1∶2∶1,。:P2in=I2(U3+U4+U5+U6)=4I2U3:P2out=23姨U3I2:η=P2outP2in=3姨2=0.8671VI。3.3L—CL-C,、-[1],3L-C。3a,L-C,Uab、Uac、Ubc,120°,a、c,IcaUac();b、c,IL=Ibc,Ubc90°;a、b,I1c=Iac,Uab90°,、3b。,:IL=Ilc=Iac/3姨,:Ia=Iab-Ica(8)Ib=Ibc-Iab(9)abcUabIaIbIc30°IaIbIcIab=I1cIbc=ILIcaI1cILUbcUcaIca(b)(a)3L—CFig.3PrincipleandvectordiagramsofL-Cphaseshift12102Table2Testdataofload/A/V/A/VIAIBICUABUBCUCA8.81987.57.17.32012012004TFig.4PrincipleandvectordiagramofnewtransformerwithTconnectionMaABCIAIBICUmImImUtIRRUadbIcxcUadUtItICXUmIR=Im45°(b)(a)dTIc=Ica-Ibc(10)Iab=3姨3Icae-j30°=I1C(11)Ibc=3姨3Icaej30°=IL(12)(8)~(12):Ia=3姨3Icaej210°,Ib=3姨3Icaej90°,Ic=3姨3Icae-j30°,,。L-C,P2out=3IaUca,,:PL=PC=P2out3姨,L-C100%,():cosθ=P2out(P2out2+PL2)0.5=3姨2=0.866η=P2inP2out=3姨3姨+1=0.634,L-C,,。,。3.4TT(Scott),、、90°,T。TTM,TM90°,T。T4。T,T(M),4a。TT,、4b。TM3a,(3b),TM。,Icx=2姨IRej135°,It=Imej90°。,:IA=6姨3kIRej150°,IB=6姨3kIRej30°,IC=6姨3kIRe-j270°k———,:P2out=IRUad=2姨ItUt=2姨ImUm:P2in=ItUt+ImUm=2ImUm:Pc=IcxUt=2姨ItUt=2姨ImUm,():cosθ=P2out(P2out2+PC2)0.5=2姨2=0.707η=P2inP2out=2姨2=0.707,,、[2]。22.5kVAT,5。4(1),。,。,。131,2,2,3(1.2019002.5114003.110179):,,。:;;:TM401+.1:B:1001-8425(2009)10-0014-04MagneticCircuit,CharacteristicandParameterAnalysisofThree-PhaseFive-LimbAmorphousTransformerJIAi蛳hui1,CAIDing蛳guo2,LONGLi蛳qiong2,XIANGYang3(1.ShanghaiBaosteelEngineering&TechnologyCo.,Ltd.,Shanghai201900,China;2.GuangzhouPanyuPearlElectricalEquipmentCo.,Ltd.,Guangzhou511400,China;3.ShenyangTransformerResearchInstitute,Shenyang110179,China)Abstract:Accordingtomagneticfluxrelationshipinthree-phasefive-limbamorphoustrans-former,theprincipletoselectmagneticfluxdensityispresented.Itsresultsarererifiedbyexamples.Keywords:Amorphoustransformer;Magneticflux;Analysis1,,,。。,4610200910TRANSFORMERVol.46OctoberNo.1020095TFig.5NewtransformerwithTconnection(2)TL-C,、。:[1],.-[J].,2004,(6):13-15.[2].T[J].,1975,12(5):23-31.:2008-06-23:(1978-),,,(),。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!