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1、SFSZ10-31500/110电力变压器的电磁方案计算及减小局部放电措施的研究摘要本文完成了SFSZ10-31500/110电力变压器电磁方案的计算，文中较为详细地阐述了电力变压器计算的基本公式和计算方法。SFSZ10-31500/110电力变压器电磁方案计算，主要包括变压器铁心的选择及几何尺寸计算、变压器线圈材料、型式选择、高度确定、电压电流计算及线圈几何尺寸计算、短路阻抗计算、线圈损耗、引线损耗、杂散损耗、负载损耗计算、变压器温升计算、短路电动力计算、变压器重量（总油量、器身重量、油箱重量、附件重量、运输重量计
2、算）等，并进行了绝缘校核，得出SFSZ10-31500/110电力变压器的电磁计算方案。本文同时对高电压变压器局部放电产生的原因进行了分析综述，在查阅文献的基础上，对减小变压器的局部放电在设计、制造、装配等方面提出了一些改进措施。关键词电力变压器；电磁计算；局部放电-III-SFSZ10-31500/110powertransformerelectromagnetismprojectcalculationAbstractThistextintroducedtheSFSZ10-31500/110powertransfo
3、rmercalculatingandbasicknowledgeinprojectinelectromagnetismprimarily,thanclarifiedthecalculatingandbasicformulaintransformerinpowerdetailedwithcomputethemethod.Amongthemincludedchoiceandcalculationsofthetransformercore,transformercoilmaterial,patternchoice,high
4、certain,thevoltageandcurrentcomputesandthecoilcomputes,theshort-circuitresistancecomputes,thecoilexhausts,thefuseexhausts,miscellaneousspreadtoexhaust,loadtoexhaustthecalculation,thetransformertemperaturerisesthecalculation,shortcircuitelectricitythemotivecompu
5、tes,totaloilintransformermeasure,totalweight,conveyancetheweightcomputes,thetransformerinsulatestheschoolcheckup.SynthesizethedesigncalculationprocessthatintroducedtheSFSZ10-31500/110powertransformer.Becauseitismainreasonpartialdischargethatnextemergencetrouble
6、innormalworkinpowertransformerelectricvoltagewithstoptocarry.Thoughataffectthedegreetop,actuallyispartialdischargethesizeofthedeal、Frequencynumberoftimes,takeplacestillthepartwhichinfluenceisbigstillneedstheresearchinquiriesinto,butreduceitistargetthateverybody
7、pursuetogetherthatpartialdischarge.Theforthisreasonatextreturnedtoturnonelectricitytheproceedingtheresearchtothepartofthetransformer,explainingtheprinciplethatpartialdischargeandaffectingthefactorthatpartialdischarge,thereasonswhichcausedthepartialdischargein11
8、0kVandaboveextralargepowertransformerareanalysisFromtherespectofdesignandtechnology,themeasuresfordecreasingthepartialdischargeareexpounded.-III-KeywordsPowertransformer；Ele
