自耦变压器在直流偏磁情况下的磁场仿真计算

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

,(300132):,。:;;:TM401+.1:B:1001-8425(2010)08-0007-03SimulationandCalculationofMagneticFieldofAuto-TransformerunderDCBiasLIZhan-qiang,MAOYi-zhi(HebeiUniversityofTechnology,Tianjin300132,China)Abstract:Thesimulationmodelofauto-transformerunderDCbiasisestablished.Therelationbetweenmagneticfluxdensityoftransformercoreandtimeissimulated,analyzedandcal-culated.Keywords:Auto-transformer;DCbias;Transientfield1,。,,,,。。,,。,。,,。,。,,,。,,,,,,。,300A。,,,,,。,,、。、、、。,。2TRANSFORMER47820108Vol.47AugustNo.8201047,。,,,。,,。,1。,,。:△B,准-I,f(t)、,f(t)f1(t)f2(t),f2(t)。1TT0乙f(t)dt=1TT0乙[f1(t)+f2(t)]dt=1TT0乙f1(t)dt+1TT0乙f2(t)dt1TT0乙f1(t)dt=01TT0乙f(t)dt=1TT0乙f2(t)dt=IxdcIxdc,Idc,,,f(t)。3MAXWELL。,,。B,MAXWELL2D,A,:H,:塄·H=JB,:塄·B=0BH:B=μHB=塄·AA———J———μ———:塄·1μ塄·A=J2,,1A。2Z,2,,。33D,3D,ψ。准(t)πωt准(i)i(t)i(t)1Fig.1Relationbetweentransformerexcitingcurrentandbasicmagneticcurve2Fig.2Fluxdensitydistributionofmaincoreintransformer8、8,,1/2,41AB,。5Idc=3.2A,。5,5s。4,。,,,,,,。:[1],,,.[J].,2006,1(1):1-7.[2],,.[J].,2004,37(8):41-43.[3],,·,.[M].:,2009.[4],,.Ansoft[M].:,2005.33DFig.33Dmodeloftransformer43DBxzFig.4FluxdensityBdistributiononxzplanein3Dmodeloftransformercore:2009-09-11:(1984-),,,,;(1950-),,,,。-8.00-6.00-4.00-2.000.002.004.0020.0015.0010.005.000.00/ms5Fig.5Curveoftimeandfluxinmiddlepartofcore/Wb!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,,、。,。9

1 / 3
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功