压缩空气冷却高温起重电磁铁的设计

:200621220511969;,.,(430083),,,,TM27A1008-7281(2007)02-0008-04DesignofTheCompressedAirCoolingHigh2TemperatureJack2UpElectromagnetYeJinsongAbstractWhiletraditionalliftingelectromagnetcarryingthemagneticsupplies,boardbasesapttocomeoff,soitcan’talreadymeettheproductionrequirements.Thispa2perstudiestheelectromagneticstructureandcomputingmethodofthehigh2temperaturee2lectromagnet,andderivestheformulaeoftheelectromagnetataircooling.Thehigh2tem2peratureelectromagnetsuccessfullysatisfiestherequestofliftinghigh2temperaturemagnet2icmaterialbyfieldtest.KeywordsHigh2temperatureelectromagnet,electromagnetstructure,electromag2netcooling.0,,,,,,,,,,,,,500680,,100500,(500680),1,1122.1KF,KF,1.12.5,8(EXPLOSION-PROOFELECTRICMACHINE)2007242(135),KF=2B0,B0:900015000GS,680,B0=10000GSKFF=(B0/5000)2S(1),KF;F;B0,GS;SKFB0(1),,,,680mm,1600mm,1420mm,,,,h=100mm2.2,,700mm,3mm,20mm,,30mm,:706mm1320mm(2)21Sf=[(1320/2)2-(706/2)2]+1320H1=97709+4147H1(2),180,t=140,,P=7500WSfKtE75%p,SfE1674107,Kt,Kt=24w/(m2k),H1E168mm,,H1=210mm,140,H=H1+2L+2h1+h2+h3+h=408mm,L;h1;h2;h3L3mm;h130mm;h220mm;h312mm2.3,SJ=SJ1,SJ;SJ1H2=3750/68=175mm,H21=100mm,H22=70mm,H2=H21+H22=170mm2.4(3)3(1),1.22.5,,=1.5(2)IW0=0.8(1+KJ)B0(3),KJ,1;(mm),=4mmIW0=0.8(1+1)100004=64000ATB=B0=15000HL=289AT/mmL=2H+H2+1/4(160+142)=174.1,IW1=HL=28.9174.1=5031AT3,L1=1/4(160+142)+15=905mm,,HL1=1500AT/mm92007242(135)(EXPLOSION-PROOFELECTRICMACHINE)IW2=HL1L1=15090.5=13575ATIW=IW0+IW1+IW2=64000+5031+13575=82606AT,28760AT,57800AT33.1,,Q=Pn103Caa(4),Pn(kW);Ca(Jm3),,,Ca1.1(Jm3);a(),15203.2,44Z=Z1+1/2(Z2+Z3+Z4)+Z5(5)3.3Z,Q,P=ZQ2QZ,P,Pu=PQ=ZQ3(W)3.4(1):P=UI(2),,,,uq=-gradq(6),uq=(W/m2);,(W/m)=4215W/mS,QX=-SQ+C(7),Q=Q/S(8),3.5,,553.6(1):P1=UI=22034=7480W(2)P2=QS/50%=50042.50/0.3350%=25.435kW(24)01(EXPLOSION-PROOFELECTRICMACHINE)2007242(135)T1T2T0T7=T23130001300-1616-12121111VVV01(11)Vref,SVPWMSVPWM3[4][6]3.1SVPWM(1),(Va0Vb0Vc0),,(2),Vdc/3,,VrefVdc/2,M=2/3,SPWM1,SPWM3.2SVPWM(1)Vref6/4Vdc,SVP2WM13%,SVPWM(2)SVPWM,SVPWM,,SVPWM(11)(3),TK+TK+1T,Vref,,SVPWM4[1][2]SVPWM,SVPWM,[1],SVPWM,[1]C.Zhan,A.Arulampalam.Four2wiredynamicvoltagerestorerbasedonathree2dimensionalvoltagespacevectorpwmalgorithm.IEEETransactionsonPowerElectronics,18(4):1094,July2003.[2]C.Zhan,A.Arulampalam.Novelvoltagespacevectorpwmalgorithmof32phase42wirepowerconditioner.Proceed2ingsoftheIEEEPowerEngineeringSocietyWinterMeeting,3:1045-1050,February2001.[3],.DSP[M].:,2005.3.[4]M.G.Villalva,E.RuppertF.3-DspacevectorPWMforthree2legfour2wirevoltagesourcinverters.200435thAnnualIEEEPowerElectronicsSpecialistsConference,3946-3951.[5],.SVPWM[J]..2005,32(3).[6],.[J]..2001,21(5).(10)(3)Pn=P+Q2=33.1kW3.7Q=Pn/1.1Qa=33.1/1.120=1.55m3/s,,Q=2m3/s,7.5kW4,,,,[1].MZ6-8.0..2004.4.[2],,...1994.3.42(EXPLOSION-PROOFELECTRICMACHINE)2007242(135)