清明国祭优秀作文5篇

SF#!,!!#$$:!#,,º:!#;;;:TM405:B:1001-8425(2005)09-0028-041(GIS),SF6。SF6,,,SF6。SF6,:$%%&’%&’():((*+%’),,,。$%&%’()*+,-./0’&+1.+,2%(3%(4(’,&1+(5%(!#$%&’()(Xi'anJiaotongUniversity,Xi'an710049,China)67&3(’)3:TheinfluenceofDCbiastoconvertertransformerwithtransformermodelisresearched.ThelossandtemperatareincreaseandtransformerexcitingcurrentbroughtaboutbyDCbiasareveri-fied.Itcaninfluencesafeoperationoftransformer.8%9:+(;&:!#$%&’%&(&)*+,&-.&;/!01)+;23.4;5.+’:[1]TakasuN,OshiT,MiyawakiF.Geomagneticdistur-banceeffectsonpowersystem(AreportpreparedbytheIEEETransmissionandDistributionCommitteeWorkingGrouponGeomagneticDisturbanceandpowerSystemEffects)[J].IEEETrans.PowerDeliv.1993,8(3):1206-1216.[2]PicherP.BolducL.phamV.O.StudyoftheacceptableDCcurrentlimitincore-formpowertransformers[J].IEEETrans.PowerDeliv.,1997,12(1):257-263.[3]Emanuel-SMAE.Directcurrentgenerationinsingle-phaseresidentialsystems[J].IEEETrans.PowerDeliv.,1984,103(8):2051-2057.[4].[D].,1995.[5].[J].,1985,22(6):2-6.[6].[D].,2000.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#$$%#4$6SF=$?$&’()!*+,-+./+01’)#$$%!!#91Fig.1Curveofflashovervoltageandmetalpowderlength2Fig.2Probabilityurveofairleakageandabnormalobjetdimension。,,,。、,、、。SF6,。2SF6,SF6。,、、,,。,,,。,、、,,。,SF6,。3S%&3.1、、,。,,。,。,,,。,p·h8MPa·µm(p、h)p·l7MPa·µm(l),[1]。,,,,(1)。3.2SF6,:(1),SF6HFH2SO3。(2),,。SF61867Pa,2/3。,。,。3.3SF6,SF6,0.30MPa～0.45MPa。,。1%,,、,。,,,。,0.02mm,0.5mL/min,,。,100µm,(2)。,SF6。,,。,!42、。,。,。,,,。,SF6。4SF6,、,。10,22℃,65%,、。,,。4.1、(a)、、。;(b)、,,、;(c);(d)、、,。4.2(a);(b);(c),,;;;;(d),。4.3(a)、、;(b);(c)();(d)、,。4.4,(a);(b)、;(c),;(d);(e),;(f);(g),。4.5:(a)SF6;(b);(c)。,;(d);(e)。:(a),,(,SF664µL/L);(b),、,,,,。(c),,,,,。,,,;(d),,;(e)、。,SF6,GB/T8905－1996《》DL/T615－1997《》,SF6(20℃):≤150µL/L;≤300µL/L。4.6、、!!!#9Clea%l&%’(()a%a*’+’%,-./0-123,&-%4-05(6-7-.89:;%(,02+’%,0a%(.-0+’0!#$%&!’()*(JiangsuJingkeInstrumentTransformerCo.,Ltd.,Suqian223800,China)=(,0a3,:TheimportanceofcleanlinesstoqualityinprocessofSF6instrumenttransformerisdis-cussed.Theinfluenceofabnormalobjectstoproductcharacteristicisanalyzed.Somemeasurestoreduceabnormalobjectsarepresented.?’@A-01(:SF6!#$%&’$()$$%*#+,%(-%;./,%(*0,/1)2$;30-*0!-##;4**5-(-$:2005-02-03;:2005-03-18:(1967-),,,,。,:(a);(b)、,,、;(c),、、、;(d),,45°,。,SF6,;(e),,,,。、,,。,,。,,。5,SF6,。,、、。,,,,,。:[1].GIS[M].:,2000.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!####################8º#######º$24º24######################º!