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【英文标准名称】:Insulatorsforoverheadlineswithanominalvoltageabove1000V-Ceramicinsulatorsfora.c.systems-Characteristicsofinsulatorunitsofthelongrodtype
【原文标准名称】:标称电压1000V以上的额定电压的架空线路用绝缘子交流系统用陶瓷绝缘子长棒型绝缘子单元的特性
【标准号】:IEC60433-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC36B
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;绝缘子串组合件;陶瓷绝缘子;棒形绝缘子;高环绝缘子;绝缘子;电气工程;架空线
【英文主题词】:Alternatingcurrentnetworks;Alternatingvoltages;Ceramicinsulators;Designations;Electricalengineering;High-collarinsulators;Insulators;Marking;Overheadpowerlines;Parameters;Properties;Ratings;Rod-typeinsulators;Stringinsulatorunits;Switchgears
【摘要】:ThisInternationalStandardisapplicabletostringinsulatorunitsofthelongrodtypewithinsulatingpartsofceramicmaterialintendedforuseina.c.overheadpowerlineswithanominalvoltagegreaterthan1000Vandafrequencynotgreaterthan100Hz.Itisalsoapplicabletoinsulatorsofsimilardesign,usedinsubstations.Thisstandardisapplicabletoceramicstringinsulatorunitsofthelongrodtype,eitherwithaclevisendfittingatbothendsforcouplingwithatongue,orwithasocketendfittingatbothendsforcouplingwithapinball.Theobjectofthisstandardistoprescribespecifiedvaluesforelectricalandmechanicalcharacteristics,andfortheprincipaldimensionsofceramicstringinsulatorunitsofthelongrodtype.Thisstandardisapplicabletostringinsulatorunitsforuseonoverheadlinessituatedinlightlypollutedareas,andthecreepagedistancesgivenintable1havebeenestablishedaccordingly,usingtheIEC60815recommendationof16mm/kVforpollutionlevelI.However,shortercreepagedistancesmaybeusedinsomenon-pollutedareas.Ifspecificoperatingconditionsrequireorallownon-standard(longerorshorter)creepagedistances,themechanicalcharacteristicsaswellasthelengthsL(seeclause4)ofthisstandardshouldbeusedunlesstheneedforexceptionallylongcreepagedistancesrequiresvaluesofLgreaterthanthosegivenintable1.Inthecaseofspecialrequirements,e.g.veryheavypollutedareasandforotherparticularorextremeenvironmentalconditions,itmaybenecessaryforcertaindimensionstobechanged.NOTES1Asfarasreasonablyapplicable,thisInternationalStandardmayalsobeappliedtosimilarinsulatorunitsoutsidethescopeofthisstandard,suchasinsulatorsforelectrictractionlines.2ThisInternationalStandarddoesnotincludetestsoninsulatorsanddimensionsofendfittings.3BallandsocketcouplingsarecoveredbyIEC60120,clevisandtonguecouplingsbyIEC60471.4Forthedefinitionofpollutionlevels,seeIEC60815.5Theterm"ceramic"isusedinthisInternationalStandardtorefertoporcelainmaterialsand,contrarytoNorthAmericanpractice,doesnotincludeglasses.
【中国标准分类号】:K48
【国际标准分类号】:29_080_10
【页数】:13P.;A4
【正文语种】:英语