35kV电缆设计中三芯与单芯电缆的选择与比较

20115No．52011ElectricWire＆Cable201110Oct．201135kV2530086～10kV66kV。35kV。35kV。TM247．1A1672-6901201105-0015-03SelectionandCompareDesign35kVThree-CoreCablewithSingle-CoreCablesHANLi-kuietalDezhouPowerSupplyCompanyDezhou253008ChinaAbstractThree-corepowercableswithsingleselectiongenerallyfollowthefollowingrules6～10kVcablesusuallyselectedthreecorecable66kVandabovethegeneralcableselectselectsingle-corecables．Howevervoltage35kVhasthree-coreandsinglecable．Howistheselectionoftheengineersandtechniciansneedtofaceadifficultprob-lem．Basedonthethreecoreandsinglecorecables35kVanalysisandcomparisonAclearapplicationoftheirownenvironmentandconditionsforthemajorityofelectricityandtechnicalpersonnelinengineeringpracticehasselectedthecabletoprovideareferenceandhelp．Keywordsdesignofcablelinethree-corecablesingle-corecablecomparisonselected2011-01-111972－．1237253008．0。66kV6kV35kV。。。35kV630mm2、、。。35kV400mm2500mm2。35kV。11．1400mm235kV。12。1。121400mm2、。、。23．7。1．22。1/mm2/mm/mm/mm/mm/kg/km40023．510．55．0125．12339040023．510．52．960．563402、、、、400mm2500m400mm21000m11/323132312、312、3675A720A920/m3×350/m=1050/m22。。。22·61·20115No．52011ElectricWire＆Cable201110Oct．20114．3352。λ2。3/Ω/mλ2/W/m0．0005632．04827．60．0001321．15531．35。。1ThomasWorzyk．Submarinepowercables-designinstallationre-pairenvironmentalaspectsM．Springer-VerlagBerlinHeidel-berg2009．210kVUm=12kV110kVUm=126kVS．3ICEANo．S-57-401Steelarmor＆associatedcoveringsforim-pregnatedpaperinsulatedcablesS．4MethodstopreventmechanicaldamagetosubmarinecablesC//presentedbyCigreWorkingGroup21asSessionPaper12-21atthe1986CigreSessionParisFrance．5FurugenMetal．CompletionofsubmarinecablelinescombininglowenvironmentalimpactwithlowcostJ．FurukawaReview20022144-49．6CigreElectraNo．171RecommendationsformechanicaltestsonsubmarinecablesS．7GB/T12706．2—20021kV35kV26kV30kVS．8IEC60287Electriccables-calculationofthecurrentratingS．9．M．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2002．16。、。335kV。500mm2。、、。1GB50217—2007S．2DL/T621—1997S．3．J．20092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7-10．1881－2－3－4－5－6－7－8－3。。。·22·20115No．52011ElectricWire＆Cable201110Oct．2011