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20123No.32012ElectricWire&Cable20126Jun.2012200093。、。。。XLPE、XLPEXLPE。XLPEBahderTM247.9A1672-6901201203-0001-08TheProspectofDevelopmentofDCSubmarineCablesinChinaYINGQi-liangShanghaiElectricCableResearchInstituteShanghai200093ChinaAbstractAlistofworldprominentsubmarinepowercableengineeringispresentedrevealingthatmostofthemareHVDCsubmarinecablelinks.ThepaperdescribesthefeaturesofHVDCtransmissionsystemandemphasisisfocusedonthesuperiorityoftheDCpowercablesoverACpowercablesinrespectoftransmissioncapacityoperatinglossesandmaximumcableroutelengthbasedonthedetailedDCandACcurrentratingcalculation.Theprospectofdevelop-mentofHVDCsubmarinecablesisconfirmedandtheywouldbetheoptimizedselectionandeventheonlyoptionforextralongsubmarinecableroute.OwingtounbalanceddevelopmentofdifferentkindsofpowercablesinChinaitisproposedthatXLPEHVDCcablewouldbethefirstpriorityfordevelopmentandtheconcernedbasicresearchandR&DofXLPEcompoundforDCcablesshouldbetakenasthekeytechniquesforpromotionofdevelopmentofHVDCXLPEcablesandDCsubmarinecableengineeringapplicationinChina.KeywordsDCsubmarinecabletransmissionDCXLPEsubmarinecableBahdercoefficientspacechangeXLPEcompoundwithpropertyofsuppressionofspacechargeaccumulationunderDCvoltage2011-11-221936-.1000200093.0。、、。。、。。。。1。1、、。、XLPE。1。901。XLPE。。11NorNedHVDC2008-±450kV700MW580km2×270km2×150km2EstlinkHVDCLight2006-XLPE±150kV350MW2×74km2×31km3SkagerrakHVDCLink121976-19773199342014-Skagerrak12250kV3350kV4500kV1+2500MW3440MW4700MW1-3127km4140km4BalticDableHVDC1994-450kV600MW450km5KontekHVDC1995-2010400kV600MW52km6SAPEIHVDC2010-±500kV1000MW2×420km7NordE.ON1HVDCLight2009-XLPE±150kV400MW2×128km82005PPLP-±500kV22800MW4×48.9km46.5km9VanCouverIslandSubmarineCableLink1984-525kV1200MVA30+9km7110Nexans500kV700MVA4×31km41。、·2·20123No.32012ElectricWire&Cable20126Jun.2012。。22.12.1.1。IEC6028711.4.1.2。2.1.2。1。1ρ=ρoe-αθ-bE1ρα℃-1θ℃bmm/kVEkV/mmρo。α=0.1℃-1b=0.03mm/kV。r2。2。Er=δUrδ-1Rδ-rcδkV/mm2UkVδ5。β=αΔθlnRrc3Δθ。2γ=bUR-rc4δ=β+γγ+15Rrc。3.1.1。3.1.3。2XLPEXLPE。XLPE。XLPE。XLPEα=0.15℃-1b=0.15mm/kV。XLPE。2.1.312m25℃1.0K·m/W。2XLPE90℃90℃50℃。3XLPE30kV/mm30kV/mm28kV/mm。2.2IEC60287。3.1.3。XLPE90℃90℃。2.31。。2。。2.4500kV、200kV、110kV。500kV·3·20123No.32012ElectricWire&Cable20126Jun.20121、2。1500kV。DCAC-1AC-2。1500kV2500kVXLPEXLPE。DCA-1A-2。2.5。2。500kV1000~3000mm22.481000mm2~3.673000m2。2500kVXLPEXLPE2500kV/kV/mm2/A/MW//MVA500500XLPE10002000300010002000300010002000300010002000300010002000300010002000300015122265287290710451129113013931554139520772642774876928953114312497561133143678590497797712051344680103913216707588038249891080-1.922.512.941.551.882.14-2.032.743.291.652.102.45-2.893.764.412.322.823.21-3.044.114.932.483.153.67-1.111.451.700.891.091.24-1.201.581.900.951.211.42-1.672.172.551.341.631.86-1.762.382.851.431.822.12500kVNex-ans800mm2700MVA。11719MW2.462。。·4·20123No.32012ElectricWire&Cable20126Jun.20123、。500kV3。3/kV/mm2/AW/m/W/m/%500XLPEXLPE1000200030001000200030001000200030001000200030001000200030009071045112911301393155415122265287277487692813952077264269.978.282.659.067.473.350.356.460.569.175.779.441.6446.350.1--18.112.09.3-12.88.26.2--24.021.317.7-20.714.011.2--261511-19117.8--413224-3521153500kV7.8%~19%15%~35%500kVXLPEXLPE11%~26%XLPEXLPE24%~41%。。CO2。4。。。。。1500kV30km。500kV。XLPE420kV2.4km。275kVXLPE。。110~220kV70km。。1580km。500~600kV。XLPE350kV。。55.1。·5·20123No.32012ElectricWire&Cable20126Jun.2012。。、。。。。80110kV220kVXLPEXLPE110kV、220kVXLPE。。110~220kVXLPE3km。XLPEXLPE。XLPEXLPEXLPE。5.2XLPE5.2.1XLPE、XLPE。。1972Bahder。。Bahder3Bahder。BahderBahder4。4Bahder。Bahder。。4/℃T1T2Vd/kVVr/kV/kVBahder409085409060+450+300+300-396-313-224-603-548-5150.410.690.994141-120+2623423100.438665-180+3425080.748044-600+109016000.85PPLP。1。。XLPE。XLPEXLPE。4XLPEBahder5。54XLPEBahder/mm/℃/kV/kV/mmBahderXLPE3h90℃2.59131020-10050060040.055.646.20.630.330.881h90℃663.500010020010016.733.328.60.8510.61h4.44.4--8014518.233.00.230.2145BahderXLPEXLPE。·6·20123No.32012ElectricWire&Cable20126Jun.20125.2.2XLPEXLPE500kVXLPEXLPEXLPE、XLPE、XLPE5。。Bahder0.5。500kVXLPE。500kVXLPEElectra171Electra189。LDPEMgOLDPE/MgO6。。MgO。XLPEXLPE。XLPE。XLPEXLPE。XLPEXLPEXLPE。5.2.3XLPE1。。ABB320kVEPDMTB219。110kVXLPE。XLPEXLPEXLPE。、。2。XLPE。500kV22000mm6300mm44mm/kV。31mm/kV。。5.2.4XLPEXLPEXLPE7。XLPECCVVCV。6。。、。。。。XLPE。、XLPEXLPE。10·7·20123No.32012ElectricWire&Cable20126Jun.201223、、。PE。、、、、、。3。33.1。1W=πD1+2t+6WD1t。2D2D2=D1+3t+3δδPE。3L12~15mmα≤20°。4D3D3=D2+0.5~1100mm180mm。。3.2。0.5mm。4、、、。≤0.8≤0.2。10%~20%。。1.M.1982.2..檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿2001.71.J.200711-9.2EollC.K.Theoryofstressdistributionininsulationofhigh-voltageDCcablesPart1J.IEEETransOnElectricalInsulation1975Vol.EI1027-35.3BahderBGarciaF.GBrookesAS.InsulationcoordinationinhighvoltageDCcablesC.CIGRESession197221-03.4.J.T.IEEJapan19991192212-222.5MaekawaYetal.ResearchanddevelopmentofDC±500kVex-trudedcablesC.CIGRESession200221-203.6TatsuoTakadaetal.SpacechargetrappinginelectricalpotentialwellcausedbypermanentandlnduceddipolesforLDPE/MgOnanocompositeJ.IEEETrans.OnDEI2008151152-160.7.XLPEJ.197722-8.·01·20123No.32012ElectricWire&Cable20126Jun.2012
本文标题:我国发展直流海底电力电缆的前景
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