《变压器求电感》word版

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1、/title,TransformerAnalysis/nopr/comnominal/commagneticfieldinthecore:Hn=(N1I1+N2I2)/y=25/comfluxdensityinthecore:Bn=Hn/nui=0.5/comabsoluteenergyinthecore:nlene=HnBn/22xyz=0.0125/comabsolutecoenergyinthecore:nlcene=BnHn2xyz-nlene=0.0125/comcoil1currentincrementedby=0.2A/commagneticfieldin

2、thecore:H11=Hn+N1dI1/y=45/comfluxdensityinthecore:B11=Bn+(H11-Hn)/nui=0.9/comenergyincrementinhalfcore:dW11=(B11-Bn)(H11-Hn)/2*xyz=0.004/comcoil2currentincrementedby=0.2A/commagneticfieldinthecore:H22=Hn+N2dI2/y=65/comfluxdensityinthecore:B22=Bn+(Hn-H22)/nui=1.3/comenergyincrementinhalfc

3、ore:dW22=(B22-Bn)(H22-Hn)/2*xyz=0.016/combothcurrentsincrementedby=0.2A/commagneticfieldinthecore:H12=Hn+(N1dI1+N2dI2)/y=85/comfluxdensityinthecore:B12=Bn+(Hn-H12)/nui=1.7/comenergyincrementinhalfcore:dW12=(B12-Bn)(H12-Hn)/2*xyz=0.036/cominductances/comselfcoil1:L11~2N1^2xz/(ynui)=0.4/co

4、mselfcoil2:L22~2N2^2xz/(ynui)=1.6/commutualbetweencoil1and2:L12~2N1N2xz/(ynui)=0.8/comfluxlinkages/comcoil1:psi1=2N1xzB0=0.1/comcoil2:psi2=2N2xzB0=0.2/com!geometrydatan=1!meshingparameterx1=0.1!width(xsize)ofcoil1x2=0.1!width(xsize)ofcoil2x=0.1!width(xsize)ofcorey=0.1!heightofcore,ysizeo

5、fwindowz=0.1!thicknessofironinzdirectionnui=50!absolutereluctivityofironn1=10!numberofturnsincoil1n2=20!numberofturnsincoil2!excitationdatausedbyLMATRIX.MACsymfac=2!symmetricfactorforinductancecomputationnc=2!numberofcoils*dim,cur,array,nc!nominalcurrentsofcoils*dim,coils,char,nc!namesof

6、coilcomponentscur(1)=0.2!nominalcurrentof1stcoilcoils(1)='coil1'!nameofcoil1componentcur(2)=0.025!nominalcurrentof2ndcoilcoils(2)='coil2'!nameofcoil2component!derivedauxiliaryparametersmu0=3.1415926*4.0e-7muri=1/nui/mu0!relativepermeabilityofironx3=x1+x2!xcoordinateoftherightofcoil2x4=x3

7、+x!xcoordinateofmiddleofcore(symmetryplane)/prep7mp,murx,1,1!coil1et,1,117mp,murx,2,1!coil2mp,rsvx,2,1et,2,117,5!SolenoidalFormulation　对导电区用AZ-VOLT自由度，对不导电区用AZ自由度．!5 -- SolidConductors(DCCurrent)!AZ,VOLTdegreesoffreedom:nonlinearsymmetricsolenoidal!formulationapplicableto