架空输电线路绝缘子串机械振动疲劳性能研究

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:1003-8337(2009)01-0012-06:2008-12-09:(1975—),,,,。20091(227)20092InsulatorsandSurgeArrestersNo1.2009(Ser.№.227)Feb.2009,,,,(,430074):、,,D-300-2KD-3,,。,,。,(15%),。3000,,14%,。,24mm,,。:;;;;:TM216:ATheStudyofMachaincalVibrationCharacteristicsofTransmissionLineInsulatorsStringZHANGRui,WUGuang-ya,YUANTian,ZHANGQin,YAOTao(WuhanHighVoltageResearchInstituteofSGCC,Wuhan430074,China)Abstract:Inordertoresearchonfatiguepropertiesofoverheadtransmissionlineinsulatorstring,wireandfittingscausedbymechanicalvibration,refertotheinsulatorstringvibrationtestmethod,us-ingD-300-2typevibrationtableandKD-3sinusoidalvibrationcontrolInstrument,asetofinsulatorstringvibrationtestsystemstomeetthetestrequirementsisdeveloped,andatfirstresearchingonporcelainandglasssuspensioninsulatorstring,aswellasrodsuspensioncompositeinsulatorsforalotofmechanicalvibrationtest.Theresultsshowthatthesuspensionstringstesthadbasicallynoeffectoninsulatorstrength,buttensionstringstesthadagreaterimpact.Aftertensionstringtest,mechanicalstrengthofporcelaininsulatorsrelativelydecreasedinvariousdegree(about15%),andmechanicalstrengthofglassinsulatorchangessmaller.After30milliontimesvibrationtestforcompositeinsulatorswithpressingtechnology,theinsulatormechanicalstrengthdecreasedinvariousdegree,thehighestdeclinewasof14%,andwithgreaterdispersion.Forthelineinvibration-proneareas,itissuggestedtousetheanti-acidcorewithdiameterof24mmandaboveandenhanceastrengthclass,eventousemulti-string-paralleloperationmode.Keywords:transmissionline;insulatorsstring;vibrationfatiguecharacteristics;vibrationtestmethod;machaincalstrength輥輰··0,:、。(、)()。、、(),、、[1-3]。,。,,。,。,,3~150Hz[4],30%~50%[5]。[6-9],0.5~10m/s,,,。3~62Hz,5m/s,31Hz。,,,。(),。,,。、。2002,、、,、、400~765kV,,()。,(),,。,,;,、,,,,。,,,,、,,、、()。12002,,,。1.1,,。,。(1),,6kN。,30m。39kN。(2),,,30m。,39kN。(3),、。,f10Hz,107,1000/f1.8(mm)。、。1.2,,1(a),1(b)。1.3LGJ-720,2397.7kg/km,,4280kg。,20091(227)輥輱··20091(227)530′,1400N。,3000ND-300-2KD-3。,。ADSSOPGW,。。1.4,。,DX-H-1。1.4.1、,、。,10~90Hz,200m/s2。,A/D,。1.4.2Win98/Win2000,、、。,。,。2,,。,、。2~5。(a)(b)1:1;2;3;4;5;6“”;7“V”;8;9;10;11;12。2“I”34“V”輥輲··/kNFXBW-400/120C260.4FXBW-400/160C287.3FXBW-500/300C425.9FXBW-500/300D468.2FXBW-500/300E482.2FXBW-500/300F448.6FXBW-1000/300G435.1FXBW-1000/400H552.54/kN/kN1XZP-210273.54.92XP2-210265.64.03LXY-120161.84.64LXY-210274.915.82:12A,34B。()2。,(“V”),6kN,,,,;(15%),。,,。,。,,。2.2,,,;。3。4。//kN/kN/kN1XZP-2104×4110012000212~248229.87.82XZP-2102×41“V”10002570248~291275.96.63XZP-2104×41“V”10017510257~293278.26.94XP2-2102×35“V”10075000256~287275.06.65XP2-2104×35“V”10036580255~281269.56.36XP2-2104×3510028650245~271262.66.47LXY-1202×40“I”10028640151~162157.23.18LXY-2104×3510030589249~300278.313.0:1~6A,7~8B。1()2.1,,,;,60%(),40%,。()1。/()/kNFXBW-400/120C“I”10523275262.8()FXBW-400/120C“I”10423850267.9()FXBW-400/160C10264130301.0(/)FXBW-400/160C10368250297.8()FXBW-500/300C“I”30000163393.3()FXBW-500/300D30008420436.5(/)FXBW-500/300D“I”30002840462.0(/)FXBW-500/300E“I”30038400480.6()FXBW-500/300F“I”30001280382.5()FXBW-1000/300G30002560374.6()FXBW-1000/400H30002560490.6()320091(227)輥輳··,,,,,,14%,;5%;120kN160kN1000,,300kN400kN3000,(12%)。,。,、,。,。,,[10-11]。,。,。,、,。,。33.1、()、、。,1.12080、,。,,,、、。,,,、、、、,,,,,,,,。[12],()。,。,()();,,。,,DL/T864—2004《1000V》10003000。3.2、,,,,;,、、、,,、。DL/T864—2004,:;。,20~40Hz,3000。、。3.3,,,,。。,、20091(227)輥輴··,。。,,,,。,,。[13],,。,,。,,24mm,,。,,,,、、,。4(1),;(2),,。(15%),。3000,,14%,;(3)、()、、,;(4)。,24mm,,。:[1],.[M].:,2002.[2].[J].,1997,18(9):38-44.[3],,,.[J].,2004,37(10):31-33.[4].[M].:,1991.[5].[M].:,1984.[6][]г.H..[M].:,1983.[7],.[M].:,2007.[8].[M].:,1987.[9].[M].:,2002.[10],.[J].,2004,5(4):63-68.[11].500kV[R].:,2007.[12],.[J].,2008,28(4):123-128.[13],.[M].:,2008.20091(227):CN200620022926.1:CN2912044:2006.04.24:2007.06.13:,、,,。,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!輥輵··

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