三相油浸式非晶合金配电变压器铁心节材设计

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(350012):,。:;;:TM402:B:1001-8425(2009)06-0006-03Material-SavingDesignforAmorphousCoreinThree-PhaseOil-ImmersedDistributionTransformerJIANGHui蛳zhen(FuzhouTianyuTransformerCo.,Ltd.,Fuzhou350012,China)Abstract:Thelowlosscharacteristicsofamorphoustransformerareintroduced.Themethodstoreducecostofthree-phaseoil-immersedamorphousdistributiontransformerarepresent-ed.Keywords:Distributiontransformer;Amorphouscore;Design1,,,,,,。1S11SH15。1,SH15S11,36%。22.1、、、。,1。/kVA/%1604.0200250315400500/kV66.31010.511±5%±2×2.5%/kV0.4/W/%22000.726003050365043000.55150Dyn11/W2801003401204001404801705702006802401S11SH15Table1ParametersofS11distributiontransformerwithsiliconeplatecoreandSH15onewithamorphouscore:S11GB6451-2008,SH15JB/T10318-2002。46620096TRANSFORMERVol.46JuneNo.6200962.2C/2L:L=2×[(A-2R)+(B-2R)]+△L+2π(R+C/2)=2×(A+B-4R+7.5+πR+πC/2)=2×(A+B+πC/2+7.5-0.8584R)A———,mmB———,mmC———,mm△L———,15mmR———,6.4mm:G=γLSn×10-4=7.19×2×(A+B+πC/2+7.5-0.8584×6.4)×Sn×10-4=7.19×(A+B+πC/2+2)×2Sn×10-4,kgγ———,7.19g/cm3Sn———,cm2Sn=CDρD———,mmρ———,0.862.3(2)。2,,。::G1=7.19×(A+B1+πC/2+2)×2Sn×10-4:G2=7.19×(A+B2+πC/2+2)×2Sn×10-4:G=2(G1+G2)=2×7.19×2Sn×(2A+B1+B2+πC+4)×10-42:At=2Sn(1)B1=Bm+δ1+Bm=2Bm+δ1B2=Bm+δ2M0=2C+B1At———δ1、δ2———,5mm~8mmBm———。δ1、δ2Bm,B1≈2B2M0=2C+B1≈2C+2B2≈2×(C+B2):G=2×7.19×At×(2A+B1+B2+3.14C+4)×10-4≈2×7.19×At×[2A+(B1+2C)+(B2+C)+4]×10-4≈2×7.19×At×(2A+M0+M0/2+4)×10-4≈7.19×(4A+3M0+8)×10-4(2)33.1(1):At=2Sn=2CDρ=2×(C/2)×(2D)ρ(3),。(3),,,(3),C1/2。,Bm、A。2,M0,,(2)。,,,。,,:△l=2×(C+2D)-2×(2C+R6.4ABCD1Fig.1Singlecoreframe2Fig.2Three-phasefive-limbfour-framecoreCδ2δ1CBmM0M0R6.4AB1B2746D)=2(D-C),,,。,,。,,,;,。3.2SH15-M-200/10(2)。:;:,3。3,,()30%,,80%。,,。3.3SH15-M-200/10、(2)。4,,,。,。,,;,,(D,C),,。:[1].[J].,1982,19(12):9-14.[2].[J].,1999,36(4):28-32.[3].[M].:,2003.3Fig.3Three-phasefive-limbeight-framecore2SH15-M-200/10Table2ComparisonofparametersofSH15-M-200/10transformer/K5546.747.2/W120112110/W260025822724/%0.70.530.51/%44.034.2/K/K656562.361.664.164.9SH15-M-200/10/()32284()26033/mmA200200B1125125B26565C122.557.5D()P0/WPK/W170(1)1172644170(2)1122582I0/%0.620.53/kgUK/%4.025164.03384911046612068.792.476.273.625266187.43Table3Comparisonoftwodesignschemes:①2008125,,:43/kg,:36/kg,:36/kg;:4/kg;:5.6/kg,25:13.3/kg。②C2,。:2009-02-18:(1973-),,,,。8

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