1000kV特高压输电线路覆冰区的研究与划分

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:2009-12-28;:2010-03-12:(973)(2009CB724507-3);(08C26216101491);(2009ZKC02-13)。:(1986—),,,。1000kV1,1,2,2(1.,710048;2.,450051):1000kV--。,、,。,,,,,。,、、。:;;;:TM726.1:A:1001-1609201005-0004-05ResearchandDivisionofIcingAreaalong1000kVUltraHighVoltageACTransmissionLinesOUYANGLi-sha1HUANGXin-bo1LIJun-feng2WANGChang-fei2(1.CollegeofElectronicsandInformationXi′anPolytechnicUniversityXi′an710048China;2.HenanEHVPowerTransmissionandTransformationCompanyZhengzhou450051ChinaAbstract:The1000kVACpowertransmissionprojectfromSoutheastShanxiviaNanyangtoJingmenisthefirstultrahighvoltageUHVprojectinChina.Inordertostrengthentheoperationandmanagementoftheprojectline’sconditionandtoimprovetheworkefficiencyoftheoperatingunitonestablishingtargetedinspectionsandspeciallinemaintenancemeasuresitisnecessaryfortheresearchontheicingareasdivisionalongthetransmissionline.ThereforefirstlytheicingcharacteristicsforthetransmissionlineprojectwithinHenanprovinceisinvestigatedinthispaperandthenthroughmakeon-the-spotinvestigationtothetransmissionlinewithinHenanthemeteorologicaldataovertheyearsalongthelineswhichprovidedbymeteorologicalbureauofHenaniprovinceiscollectedandanalysedandtopographyimagesinformationwithon-the-spotinvestigationaretakenthefinallybasedonthemeteorologicalconditionsandtopographycharacteristicsalongthelinesthedivisionoficingareawithinHenanaredetermined.PracticalapplicationresultsshowthatthedivisionoficingareasfortheUHVtransmissionlineslaythefoundationforcarryingoutresearchonicingon-linemonitoringicingmechanismiceforecastandanti-icingde-icingtechnologyfortheUHVlines.Keywords:ultrahighvoltagemeteorologicaldatatopographyfeatureicingarea01000kV--。,,、,,,,、!!!!!!!!!!!!!!!!!!!!465201005HighVoltageApparatusVol.46No.5May20104··,。1、、、、。《》,、、5[1-3],3:、。,50%~90%;,、、;,10%。,,[4]。[5-8]。1.1,,:,0℃;,85%;,1.0m/s。、。2~10m/s,,,。,,。,,,。1.2113,,。,,0℃。1.3,,,,;,,。。1.4,,。、,,。,。1.5,。、、、、、,。21000kV1000kV--645km,、,342.811km。,,。,,,,,。、、、、、、。、,———、,;、、,,、、。31000kV3.1,,、、,。19612008,,,。。3.1.1,,0℃。,1。:12、1、20~5℃,1,0℃;:,1、、、0℃,、。0℃,1,12113-0.7~10℃,,1135,72010054655··May2010HighVoltageApparatusVol.46No.53。3.1.2,,,;,1400m,,。,2。:12、12,180%~85%;:、、、、、、,180%~85%、、、、、。23.1.3,,3。:12、12;:、、、,。3.1.4,。,4。:3(21.6~41.3mm),11(19.5~32.2mm)、2(9.3~20.7mm),121(6.2~14.8mm);:、,,341.3mm。43.1.5、。、,(5)、(6)。5,:123,1、2;:、、、、、。6,:1112;:、、、、、。53.1.6、(),、。,(7)、16··201005465(8)。7,:11~3,1;:、、。8,:113,1;:,。783.2,。,,,、、、、、、、、、[9-10]。,。,,,。,、、、、、、(9~11),,、。、、(12)、(13)、、、、、(14),,,、、、。,,。9101112131441000kV,。1135,122,,,80%;,1,30%,67%,212,20%,311,10%。、141961200867··May2010HighVoltageApparatusVol.46No.55,、、:①,,、、,1000kV,10,;②,(、、、、、、),;③,;④,。62I/℃470.9116-1191.5600m1571.5175-1761.5723m1I/℃271-2720.0~0.3830m271272339-3400.1~0.8339340378-3790.2~0.8832m378379382-3830.2~0.8832m382383397-3980.2427-4280.91055m813m452-4540.9611-6120.8,。,。:、、、4。,,40℃、85%1.0m/s。:,、,(),,、,,。1000kV,15,1、2。151000kV(13)8··201005465,、,。、、。1000kV,,、、,,,,,,。。:、、,20mm,10~20mm,10mm。、、。:[1],,,.[J].,2009(1):16-17.[2].[J].,2007(3):26-28.[3].[J].EPC,2006,15(9):17-25.[4],,.[J].,1999(1):27-28.[5].[J].,1994(4):18-24.[6],,,.[J].,2008,44(4):289-294.[7].[M].:,2001.[8].[M].:,2008.[9].[J].,2008(4):17-19.[10].[J].,2007(S2):87-89.,[8]。,,[8]。,,,。3,,,,。1),。2),,,。:[1],,,.[J].,2005,41(2):81-84.[2]EBNERA.TransientTransformerInrushCurrentDuetoClosingTimeandResidualFluxMeasurementDeviationsifControlledSwitchingisUsed[C]//EuropeanEMTP-ATPConference,Spain,2007:24-36.[3],,,.[J].,2005(5):43-45.[4],,,.[J].,2005,25(3):89-93.[5]BRUNKEJH,FRLICHK.EliminationofTransformerInrushCurrentsbyControlledSwitching[J].IEEETransactiononPowerDelivery,2001,16(2):276-280.[6]TSUTADAH,HIRAIT.ABasicStudyofControlledClosingforTransformerswithResidualFlux[J].IEEETransactiononPowerandEnergy,2001,123(6):765-771.[7],,.EMTP_ATP[J].,2008,27(6):46-49.[8],,,.[J].,2007(3):22-25.1IaInTa/sIsInTs/s00015.974.0750.08500-0.3Φm0.3Φm15.534.0950.06600.50.2Φm-0.7Φm17.443.4750.1380.10-0.7Φm0.7Φm7.992.8250.1050(8)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!13··

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