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800kV李勇伟1,周康1,李力2,何江3(1.中国电力工程顾问集团公司,北京100011;2.中国电力工程顾问集团西南电力设计院,成都610021;3.中国电力工程顾问集团华东电力设计院,上海200063):800kV800kV,,-,,800kV-km16400MW,800kV,:800kV;;;;;:TM721:A:1003-6520(2009)07-1518-08Designof800kVDCUHVTransmissionLineLIYong-wei1,ZHOUKang1,LILi2,HEJiang3(1.ChinaPowerEngineeringConsultingGroupCorporation,Beijing100011,China;2.ChinaPowerEngineeringConsultingGroupSouthWestElectricPowerDesignInstitute,Chengdu610021,China;3.ChinaPowerEngineeringConsultingGroupEastChinaElectricPowerDesignInstitute,Shanghai200063,China)Abstract:Itisnecessarytostudyandanalyzemaindesignprincipleof800kVDCTransmissionsysteminordertoascertaintechnicalprincipleandstandardaswellasmeettherequirementsofprojectconstruction.OnthebasisofXiangjiaba-ShanghaiDCTransmissionLineProject,wediscussedtheprimarydesignprincipleofUHVDCoverheadtransmissionlinedesign,includingatmosphericparameters,reliabilityofstructure,selectionofbundleconductorofpolar,selectionofgroundwire,selectionofinsulatortype,insulatorsetandfitting,insulationco-ordinationofairgaponthetower,polarconductorheighttotheground,polarconductorheightcrossingovertheobstaclesontheground,polarconductorconfigurationonthetowerandwidthofROWetc.Wealsoprovidedsameinformationinrelationtothe800kVXiangjiaba-ShanghaiTransmissionLineProject,suchasbriefintroductiontotheProject,maintechnicalscheme,importantdesigndata,technicalcharacteristic,estimatedperkilometertowerweight,perkilometerconcretevolumeoffoundationetc.BypracticeofdesigningXiangjiaba-ShanghaiDCbipolaroverheadtransmissionlineprojectwith6400MWtransmissionpower,itisverifiedthat800kVDCTransmissionlineisfeasibleintechniqueandreasonableineconomy.Keywords:800kV;DC;UHV;bipolar;transmissionline;design01800kV,6400MW,,1907km,0~1580m4,6112005,[1]20087,,2010,800kV1,,15183572009731HighVoltageEngineeringVol.35No.7July31,2009,,500kV[2],,,10m10min,100,27m/s,,2728303235m/s510152030mm4,1.1,37,500kV32,,,800kV()[3]2800kV,,500kV,[4],:1)1000m,20m,05MHz80%58dB2)1000m,20m,(L50)45dB3),30kV/m100nA/m2;,25kV/m80nA/m24),15kV/m,4~8500~900mm2,6630mm2,,,,6LGJ-720/50450mm,,6LGJ-720/50,22m,18m20076,,50dB,41dB,30kV/m,,,,,[5],,20mm,30mm6AACSR-720/503800kV,,EmE0,Em/E0,,3mm,17mmJLB20A-180,20mmJLB20A-180,30mmJLB20A-240,(OPGW),,,500kV,28kmOPGW1519200973574500kV[6,7],,2km,800kV-ESDDNSDD,,,1,,,,,,210300400530kN,300kN400kN90%,300400530kN3,[8,9]500kV,3300kN(H=195mm)V567081,400kN(H=205mm)617481109136158m,125152166m,,,,,,3617481400kN,,,,1Tab.1PollutionareaanddesignvaluesESDD/(mgcm-2)NSDD/(mgcm-2)/km0.050.301:53690.080.481:86060.150.901:10932,10511512m3,,,67kV/m[10],300kN100015002000m616365,400kN100015002000m6164665,V,,VV300400530kN,210kN10~20mm400kN,30mm550kN,,,1,,400mm,650mm800mm,1000mm1520July2009HighVoltageEngineeringVol.35No.71(:mm)Fig.1Typicalinsulatorsets2(160kV)(:mm)Fig.2Typicalrigidjumper,,(AGS),,,26,816kV(),17,185,32[11,12]50%U50%=K2K3Ur(1-3N)K1(1),Ur;N;K1;K2;K350%2Tab.2Airgaponthetowerm500100020002.12.32.55.56.36.96.97.68.4U50%=K2K3Um(1-2s)K1(2),Um;s;K1;K2;K3500m69m10-5,,,GB/T16927.1-1997IEC60071-2:1521200973571996,65~85m2000m,,,,0,,,,,,,-10,10~30,249~136kA,500kV10~15177~125kA7[13]800kV,3500kV1000kV800kV500kV,500kV800kV4,5800kV5007501000kV[14,15]8,,,,3500kV1000kVTab.3ElectricfieldcriteriaforDC500kVandAC1000kVline500kV/(kVm-1)/m1000kV/(kVm-1)/m3012.51022.02516.0727.015*4*:*,4800kVTab.4800kVconductorheightforeachconfigurationoftower/(kVm-1)/m/(kVm-1)/m3018.03019.02521.02522.015*15*:*,5Tab.5Electricalclearancestootherobstaclesm500kV750kV1000kV800kV14.019.527.021.56.010.016.015.014.019.527.021.58.512.018.017.06.07.010.010.58.512.016.015.09.011.515.517.58.511.012.013.06.58.510.011.07.08.514.013.57.08.516.015.0,27%,19%,54%,8,3ZV28-10,460m650m,36~57m,ZVF32-1P1522July2009HighVoltageEngineeringVol.35No.73(:mm)Fig.3Typicaltowertype,,420m550m,36~57mJ28-1,550m600m,30~48m,0~209,,,,,;,,,10,6Tab.6Widthofrightofwayforeachofconfiguration/m/m/m223676221440,800kV,7m,15kV/m,,6800kV4114,,7,4AACSR/EST-640/290JLB14-340,OPGW1523200973574Fig.4Widthofrightofway7Tab.7Mainfeaturesofrivercrossings/m2580340127182985/m500-1580-500840-1705-856509-1733-476518-2052-415------------/m191201201246/m2.12.12.12.1/m5.55.55.55.56420kN6420kN6420kN6550kN6550kN6550kN6550kN6550kN,I7,,10%,5mm12500kV500kV,4720mm2500kV800kV500kV800kV1000m,14m23m,265m63m,500kV26m58m,800kV36m76m500kV800kVkm40100t,75160m3131800kV,6400MW,,800kV,[1].800kV[R].:,2008.[2]DL/T5092-1999110~500kV[S].:,1999.[3]Q/GDW2009800kV()[S].:,2009.[4]DL/T1088-2008800kV[S].:,2006.[5]Q/GDW182-2008[S].:,2008.[6]Q/GDW181-2008500kV[S].:,2008.[7]EPRI.HVDCtransmissionlinereferencebook[M].Califoria,USA:EPRI,1993.[8],,.800kV[R].:,2007.[9].800kV[R].:,2007.[10].[R].:,2008.[11].800kV[R].:,2007.[12].800kV[R].:,2007.[13].800kV()-[R].:,2008.[14]Q/GDW102-2003750kV[S].:,2003.[15]Q/GDW178-20081000kV[S].:,2008.1524July2009HighVoltageEngineeringVol.35No.7LIYong-weiProfessor1960,,LILiProfessor1964,,ZHOUKangSeniorengineer1973,,HEJiangEngineer1978,,,2009-06-182009-06-3020096,320Mvar/1000kV,(VIT),,,,,,,,152520097357