用于大跨越的高强度耐热铝合金导线的研制

20081No.12008ElectricWire&Cable20082Feb.,2008,,(,200093):,:;;;;;;:TM244.1;TM244.2:A:167226901(2008)0120021205DevelopmentofaHighStrengthHeatResistantAluminiumAlloyConductorforLargeSpanInstallationLIWen2hao,etal(ShanghaiElectricalCableResearchInstitute,Shanghai200093,China)Abstract:Thispaperpresentsthestudyanddevelopmentofahighstrengthheatresistantaluminiumalloyconductorforlargespaninstallation.Theauthordescribedandanalysedtheperformanceandtry2productionoftheconductorandputforwardsomerecommendations.Keywords:aluminiumalloyconductor;largespan;highstrength;heatresistance;largecapacity;development;recommendation:2007208215:(1953-),,.:1000[200093].0,,22,22,,,,,150,(),80%22,50%,,,,,,,,2004,,,160,,,,,60,,,,,,,,225248MPa(2.304.50mm),55%IACS,275MPa,50%IACS2,80,,,,,300(1985),,22,222.5%IACS,,,,,,,,380,,:(2.304.50mm)225248MPa2.0%55%IACS150,,2005,,,(),():(4.20mm)265MPa2.0%52.5%IACS150,17.8%,,,(AT2KTA1),,()()1()1()4.20mm()/mm4.200.0424.203/mm213.850.2813.87()/MPa251.8(2650.95)254(250mm)/%2.02.420/(mm2/m)0.032840.03152/(%IACS)52.554.7(1d,8)(2301h)/%9090.8/(kg/km)366873.43702.04(),,,2220081No.12008ElectricWire&Cable20082Feb.,2008(),,11,12t,,,5,,(17%),(),:+,,8t,,,,,,,,,,,,,,;,,,,,,(),,,,;;,6(),(),11:(),(54.7%IACS)(2.4%)3220081No.12008ElectricWire&Cable20082Feb.,2008()(4.20mm)()252MPa60%IACS66%,55%IACS(AT2KTAl)17.8%(),,,,()7()(4.20mm)265MPa,,,,275MPa()1,22,,,,,,,,,,,,,,,22,,,,,22,,:,,,,,,,,,,:,,,,222220/(nm)/(%IACS)32.8452.531.355520/(nm)52.5550.17/(nm)9010012015064.7265.2068.7074.10/%10.76.114(40)/A1220137916251922/%1133363:(22)AACSR/EST2640/290;JGQNR2LH55/EST2640/290,4220081No.12008ElectricWire&Cable20082Feb.,20082:22,,100(2290)0.7%,13%;120,6%,33%,,,,,,,,,822,,:,,,,2008,,2005,60%IACS,,,,,,,,,,,,:[1],,,.[A].[C].1994.[2].[J].,2003,24(8):428.[3],,,.[A].[C].2004.[4],.[A].[C].2006.(20)11(2006,):[1],,.DS18B20[J].,2002,(9):29231.[2]IEC6028722001,Calculationofthecurrentratingofelectriccables[S].5220081No.12008ElectricWire&Cable20082Feb.,2008