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1,2,3,2(1.1300212.1100253.110025):。:;;;:TM401+.1:B:1001-8425(2009)07-0014-05DiscussiononApplicationandDistributionofCombinedTransformerSONGJi蛳cheng1,ANZhen2,JILian蛳kai3,ANZuo蛳ping2(1.NortheastElectricPowerDesignInstitute,Changchun130021,China;2.TBEAShenyangTransformerGroupCo.,Ltd.,Shenyang110025,China;3.TBEAKangjia(Shenyang)InstrunentTransformerCo.,Ltd.,Shenyang110025,China)Abstract:Theapplicationanddistributionofcombinedtransformerarepresented.Keywords:Combinedtransformer;Substation;Distribution;Application1220kV、,,,。,,。,,、,。,,()。《500kV》。,。。,。(CVCT)IECIEC60044-3GB17201-2007。,。,,。,,、。2220kV、,。(),,,,,,;,(),,;,,。,46720097TRANSFORMERVol.46JulyNo.72009、、7,:(1),。(2),,。(3),。(4),10VA,,。(5),。(6),,。,,。33.1,SF6。,()。1、23。,,;(),。SF6,,()。SF6,,,。。,。,,,;,。,;,,,,。,,。3.2142356789101112131()Fig.1Oil-immersedcombinedtransformerwithopenmagneticcircuitPTunit1—2—3—4—5—()6—7—8—9—10—11—12—()13—142356789101112131415162()Fig.2Oil-immersedcombinedtransformerwithclosemagneticcircuitPTunit1—(P1)2—3—4—(P2)5—6—7—8—9—10—11—12—13—14—15—16—1546,。;,,:(1)。220kV,(),8,()6;SF610~10.5,SF6()8。,20%~25%。(2)。50%,。(3)。,50%。,。,500kV,()17%,32%。4。220kV1()。,,6,,,,150m。1,()(1%),,13.8%。,,CT+CVT。4110kV。,,,,。,。80,110kV~220kV(),,,,500kV。,220kV,,142356789103(SF6)Fig.3SF6combinedtransformerwithclosemagneticcircuitPTunit1—2—()3—4—5—6—7—8—9—10—01234567891045040035030025020015010050/kVPTVAUCVT+CTCVTPT+CT4Fig.4InvestmentcomparisonofcombinedandtradtionaltransformerPT—()VAU—CVT—CT—16、、7。,,220kV,[2]。,,-。,,,。,220kVSF6。,。,,,。:0.5[3],;;,,。,,。,(OPGW),,,。5(1),,,。/19239.41114.4219.23—41085—1512.87168.5817—188.9761470.689.69171016.47115.5212—131.2143CVT()CVT()CVT220kV220kV/4.8—57.6108——2.7——16.4711.96——612.878.58—12.19241.172——324—9——3224—3000m——143×3=429m227+2=29—()///2.44.862.4——63.2————412274.06.0144————270.32.720.3——2×80.6——28.50.611.83270.610.460.92120.460.6114.64————20.60.002/m61500m0.002/m——143×3=429m20.03/m2——143×2=286m20.03/m20.03/m212.87——0.23/6.6727CT+12CVT=390.23/—206.43——()CVT+CT2—2427——9——2726——3000m143×3=429m2143×2=286m2—27CT+26CVT=53—/2.4—2.44.0——0.3——0.610.46——0.002/m0.03/m20.03/m2—0.23/—1220kVTable1Costsof220kVsubstationwithdifferentvoltagetransformers17(2),,10%~20%,,。(3),。,、,。:[1]500(330)kV.500kV[M].:,2005.[2].BorisBojanic[J].,2007,44(1)1-4.[3]IEC6004-5:2004,MOD.Instrumenttransformers-Part5:Capacitorvoltagetransformers[S].:2009-02-24:(1939-),,,,;(1971-),,,,;(1974-),,,(),。(402760),,。,。(1)。,,,、、,,,。(2)。、,10kV,Yyn0Yy0,、。,,。、,、,。25mm2(),。,。(3)。100kVA,;100kVA,。(4)。(2~3),100kVA,4Ω;100kVA,10Ω。,,,,。,,。(5)。,,,,,。46720097TRANSFORMERVol.46JulyNo.72009!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
本文标题:组合互感器的应用及其配置的探讨
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