1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 61089 1991 AMENDEMENT1 AMENDMENT1 199705 Amendement1 Conducteurspourlignesariennes brinscirculaires,cblsencouches concentriques Amendment1 Roundwireconcentriclayoverhead electricalstrandedconductors H Pourprix,voircatalogueenvigueur Forprice,seecur
2、rentcatalogue CODEPRIX PRICECODE IEC1997Droitsdereproductionrservs Copyrightallrightsreserved InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CommissionElectrotechniqueInternationale InternationalElectrotechni
3、calCommission2 61089amend.1CEI:1997 AVANTPROPOS Leprsentamendementattabliparlecomitdtudes7delaCEI:Conducteurspour ligneslectriquesariennes. Letextedecetamendementestissudesdocumentssuivants: FDIS Rapportdevote 7/502/FDIS 7/506/RVD Lerapportdevoteindiqudansletableaucidessusdonnetouteinformationsurlev
4、oteayant aboutilapprobationdecetamendement. Page6 1 Domainedapplication Modifiercommesuit: 1.1 LaprsenteNormeinternationaleprescritlescaractristiqueslectriquesetmcaniques desconducteurspourlignesariennesbrinscirculaires,cblsencouchesconcentriqueset constitusdunecombinaisondesdiffrentsfilsmtalliquess
5、uivants: a) Filsdaluminium: aluminiumcrouidurselonlaCEI60889dsignparA1 * ; alliagedaluminiumtypeBselonlaCEI60104dsignparA2*; alliagedaluminiumtypeAselonlaCEI60104dsignparA3*. b) Filsenacierzingu(selonlaCEI60888): aciernormaldsignparS1AouS1B,pourlesquelsAetBsontlesclassesde revtementdezinc,correspond
6、antrespectivementauxclasses1et2; acierhautersistancedsignparS2AetS2B; aciertrshautersistancedsignparS3A. c) Filsdacierrevtusdaluminium(selonlaCEI61232): classe20SA,typesAetB,dsignsrespectivementparSA1AetparSA1B; classe27SAdsignparSA2. * Larsistivitdecesmtauxestlasuivante(enordrecroissant): A1:28,264
7、n W m(correspondant61%IACS), A2:32,530n W m(correspondant53%IACS), A3:32,840n W m(correspondant52,5%IACS).61089Amend.1IEC:1997 3 FOREWORD ThisamendmenthasbeenpreparedbyIECtechnicalcommittee7:Overheadelectrical conductors. Thetextofthisamendmentisbasedonthefollowingdocuments: FDIS Reportonvoting 7/50
8、2/FDIS 7/506/RVD Fullinformationonthevotingfortheapprovalofthisamendmentcanbefoundinthereporton votingindicatedintheabovetable. Page7 1 Scope Amendasfollows: 1.1 ThisInternationalStandardspecifiestheelectricalandmechanicalcharacteristicsof roundwire,concentriclay,overhead,electricalandstrandedconduc
9、torsmadeofcombinations ofanyofthefollowingmetalwires: a) Aluminiumwires harddrawnaluminiumasperIEC60889designatedA1 * ; aluminiumalloytypeBasperIEC60104,designatedA2*; aluminiumalloytypeAasperIEC60104,designatedA3*. b) Zinccoatedsteelwires(asperIEC60888): regularstrengthsteel,designatedS1AorS1B,wher
10、eAandBarezinccoating classes,correspondingrespectivelytoclasses1and2; highstrengthsteel,designatedS2AorS2B, extrahighstrengthsteel,designatedS3A. c) Aluminiumcladsteelwires(asperIEC61232): class20SA,typesAandB,designatedrespectivelySA1AandSA1B; class27SA,designatedasSA2. * Theresistivityofthesemetal
11、sisasfollows(inincreasingorder): A1:28,264n W m(correspondingto61%IACS), A2:32,530n W m(correspondingto53%IACS), A3:32,840n W m(correspondingto52,5%IACS).4 61089amend.1CEI:1997 1.2 Lesdsignationsdesconducteursinclusdanscettenormesont: A1,A2,A3, A1/S1A,A1/S1B,A1/S2A,A1/S2B,A1/S3A, A2/S1A,A2/S1B,A2/S3
12、A, A3/S1A,A3/S1B,A3/S3A, A1/A2,A1/A3, A1/SA1A,A2/SA1A,A3/SA1A, S1A,S1B,S2A,S3A, SA1A,SA1B,SA2. NOTELesconducteursutilisantunseultypedefilssontappelsconducteurshomognes(parexempleA1, A2,S1A,SA2,etc.).Parailleurs,lorsquelesfilsouconducteursenaciersontcits,ceuxcipeuventtresoit zingussoitrecouvertsdalum
13、inium(SxouSAx). 2 Rfrencesnormatives Ajouterlalisteletitredelanormesuivante: CEI61232:1993, Filsdacierrevtusdaluminiumpourusageslectriques Page8 3 Systmededsignation Ajouterlesalinassuivantslafinde3.2: LesconducteurshomognesfaitsdefilsdacierzingusontdsignsparS1A,S1B,S2A,S3A. Lesconducteurshomognesfa
14、itsdefilsdacierrevtusdaluminiumsontdsignsparSA1A, SA1BouSA2. Ajouterlalinasuivantlafinde3.4: LorsquelesfilsdacierrevtusdaluminiumSA1Asontutilissdanslesconducteurscomposs aulieudesfilsenacierzingu,ladsignationdesconducteursdevientAx/SA1A. Ajouterlesalinassuivantslafinde3.5 : 500A1/SA1A54/7:Conducteur
15、constitude54filsdaluminiumA1etde7filsdacier revtusdaluminiumclasse20SA,typeA(SA1A).LasectiondefilsdaluminiumA1est gale484mm 2 etcelledelacierrevtudaluminiumde62,8mm 2 ,valeurstrouvesdans lestableauxdelannexeD. 40SA1A19:Conducteurconstitude19filsdacierrevtusdaluminium,classe20SA, typeA(SA1A).Lasectio
16、ntotaledesfilsdacierrevtusdaluminiumestde120mm 2 ,cequi quivautlammeconductivitque40mm 2 defilsdaluminiumA1. 40S1A19:Conducteurconstitude19filsdaciernormalayantunrevtementdezinc, typeA(S1A).Lasectiontotaledesfilsdacierestde271,1mm 2 ,cequiquivautlamme conductivitque40mm 2 defilsdaluminiumA1.61089Ame
17、nd.1IEC:1997 5 1.2 Theconductordesignationsincludedinthisstandardare: A1,A2,A3, A1/S1A,A1/S1B,A1/S2A,A1/S2B,A1/S3A, A2/S1A,A2/S1B,A2/S3A, A3/S1A,A3/S1B,A3/S3A, A1/A2,A1/A3, A1/SA1A,A2/SA1A,A3/SA1A, S1A,S1B,S2A,S3A, SA1A,SA1B,SA2. NOTEConductorsmadeofthesamewiredesignationarecalledhomogeneousconducto
18、rs(e.g.A1,A2,S1A, SA2,etc.).Furthermore,wheneverreferenceismadetosteelwiresorconductors,thesecaneitherbe aluminiumcladorzinccoated(SxorSAx). 2 Normativereferences Add,tothelist,thetitleofthefollowingstandard: IEC61232:1993, Aluminiumcladsteelwiresforelectricalpurposes Page9 3 Designationsystem Addth
19、efollowingparagraphsattheendof3.2: HomogeneousconductorsmadeofzinccoatedsteelwiresaredesignatedS1A,S1B,S2A, S3A. HomogeneousconductorsmadeofaluminiumcladsteelwiresaredesignatedSA1A,SA1Bor SA2. Addthefollowingparagraphattheendof3.4: WhenaluminiumcladsteelwiresSA1Aareusedinacompositeconductorinsteadof
20、zinc coatedwires,thedesignationbecomesAx/SA1A. Addthefollowingparagraphsattheendof3.5: 500A1/SA1A54/7:Conductormadeof54wiresofA1aluminiumand7wiresofaluminium cladsteelclass20SAwires,typeA(SA1A).TheareaoftheA1aluminiumwiresisequalto 484mm 2 and62,8mm 2 forthealuminiumcladsteelwireswhichcanbefoundinth
21、etables ofannexD. 40SA1A19:Conductormadeof19wiresofaluminiumcladsteelwiresclass20SA,typeA (SA1A).Theareaofaluminiumcladsteelwiresis120mm 2 whichhasthesameconductivity as40mm 2 ofA1aluminiumwires. 40S1A19:Conductormadeof19wiresofregularstrengthsteelwires,withazinccoating typeA(S1A).Theareaofsteelwire
22、sis271,1mm 2 whichhasthesameconductivityas40 mm 2 ofA1aluminiumwires.6 61089amend.1CEI:1997 4 Dfinitions Modifier,lapage10,ladfinitiondu rapportdacier commesuit: rapportdacier:Rapportdelasectiondesfilsdaciercelledesfilsdaluminium,exprimen pourcentage. Page10 5.1 Matriau Modifiercommesuit: Leconducte
23、urestconstitusoitdefilsdaluminiumbrinscirculaires,soitdefilsdacier brinscirculaires(zingusourevtusdaluminium)oudeleurscombinaisons.Tousles filsdoiventavoir,avantcblage,lespropritsprescritesdanslaCEI60104,laCEI60888, laCEI60889etlaCEI61232. Page12 5.4 Cblage Modifier5.4.4commesuit: 5.4.4 Lesrapportsd
24、ecblagepourlesfilsenacier(zingusourevtusdaluminium)doivent trelessuivants: a) Lerapportdecblagepourlacouchede6filsdunemede7filsoude19filsdacierne doitpastreinfrieur16nisuprieur26. b) Lerapportdecblagepourlacouchede12filsduneme19filsdaciernedoitpas treinfrieur14nisuprieur22. c) Lerapportdecblagedesco
25、nducteurshomognesenaciernedoitpastreinfrieur 10nisuprieur16pourtouteslescouches. Remplacerletextede5.4.6commesuit: 5.4.6 Dansunconducteurayantplusieurscouchesdefils,lerapportdecblagedune quelconquecouchenedoitpastresuprieuraurapportdecblagedelacouche immdiatementsousjacente. Modifier5.4.7commesuit:
26、5.4.7 Touslesfilsdacierdoiventresternaturellementleurplaceaprscblageetlorsquils sontcoups,lesextrmitsdesfilsdoiventresterenplaceoutrereplacesfacilementla mainetalorsresterpeuprsenposition.Cetteexigencesappliqueaussilacouche extrieuredesfilsdaluminium. Bienquilsoitdsirablequetouslesfilsdacierduncondu
27、cteurrestentenplaceaprsavoir tcoups,ilpeuttredifficiledatteindrecettepropritdanslecasdesconducteursayant plusde19fils.61089Amend.1IEC:1997 7 4 Definitions Amend,onpage11,thedefinitionof “steelratio ”asfollows: steelratio: Theratioofsteelcrosssectionalareatoaluminiumcrosssectionalareagivenas apercent
28、age. Page11 5.1 Material Amendasfollows: Conductorsshallbemadeupofroundaluminiumwires,orroundsteelwires(zinccoatedor aluminiumclad)ortheircombinations.Allwiresshallhavebeforestrandingtheproperties specifiedinIEC60104,IEC60888,IEC60889,andIEC61232. Page13 5.4 Stranding Amend5.4.4asfollows: 5.4.4 Thel
29、ayratiosforsteelwires(zinccoatedoraluminiumclad)shallbeasfollows: a) Thelayratioforthe6wirelayerofthe7and19wiresteelcoresshallbenotlessthan16 normorethan26. b) Thelayratioforthe12wirelayerof19wiresteelcoreshallbenotlessthan14normore than22. c) Thelayratioforhomogeneoussteelconductorsshallnotbelessth
30、an10normorethan 16foralllayers. Replacethetextof5.4.6bythefollowing: 5.4.6 Inaconductorhavingmultiplelayersofwires,thelayratioofanylayershallbenot greaterthanthelayratioofthelayerimmediatelybeneathit. Amend5.4.7asfollows: 5.4.7 Allsteelwiresshalllienaturallyintheirpositionafterstranding,andwhencut,t
31、hewire endsshallremaininpositionorbereadilyreplacedbyhandandthenremainapproximatelyin position.Thisrequirementalsoappliestotheouterlayerofaluminiumwiresofaconductor. Althoughitisdesirablethatallsteelwiresofasteelconductorremaininpositionafterbeing cut,itmaybedifficulttoachievethispropertyforsteelcon
32、ductorswithmorethan19wires.8 61089amend.1CEI:1997 5.5 Raccordements Modifier5.5.1commesuit: Aucunraccordement,quelquilsoit,nedoittrefaitsurlesfilsenacierzingusourecouverts daluminiumdurantlecblage. Page16 5.7 Rsistancemcaniqueduconducteur Ajouter,lapage18,lenouveautextesuivant5.7.2: Larsistancelatra
33、ctionassignedesconducteurshomognesenacier(SxyouSAx)estla sommedelarsistancelatractiondetouslesbrinsconstituants. NOTELarsistancelatractionassignedesconducteursA1/SA1Aestcalculeaveclarsistancela rupturedetouslesfils,ensebasantsurlhypothsequetouslesfilsontdesallongementscompatiblesla rupture. Ajouter,
34、aprs5.7.4,lenouveauparagraphesuivant: 5.8 Conductivit Laconductivitdeconducteurscompositesconstitusdecombinaisonsdefilsdaluminiumet dacierestcalculeenngligeantlacontributiondelaconductivitdesfilsdacier. NOTEUneexceptioncetterglepeuttreadmise,aprsententeentrelespartiesconcernes,dansle casdescblesdega
35、rdefibresoptiques(CGFO)quidailleursfontlobjetdetravauxencoursaucomit dtudes7. Laconductivitdesconducteurshomognesenfilsdacierrevtusdaluminium(SAx)est calculeenutilisantlesconductivitsappropriesspcifiesdanslaCEI61232. Laconductivitdesconducteurshomognesenacierzingu(Sx)estcalculeensebasantsur unecondu
36、ctivitmoyennede9%IACS.61089Amend.1IEC:1997 9 5.5 Joints Amend5.5.1asfollows: 5.5.1 Duringstranding,thereshallbenojointsofanykindmadeinthezinccoatedor aluminiumcladsteelwireorwires. Page17 5.7 Conductorstrength Add,onpage19,thefollowingnewtextto5.7.2: Theratedtensilestrength(RTS)ofhomogeneoussteelcon
37、ductors(SxyorSAx)shallbetaken asthesumofRTSofallwiresatfailure. NOTERTSofA1/SA1Aiscalculatedwiththefailurestrengthofcomponentwires,basedontheassumption thatwireshavecompatibleelongationsatrupture. Add,after5.7.4,thefollowingnewsubclause: 5.8 Conductivity Theconductivityofcompositeconductorsmadeofaco
38、mbinationofaluminiumandsteelwires iscalculatedwhileneglectingthecontributionoftheconductivityofsteelwires. NOTEAnexceptiontothisrulecanbeadmitted,followinganagreementbetweenconcernedparties,inthe caseofopticalgroundwires(OPGW)whicharecurrentlybeingstudiedbytechnicalcommittee7. Theconductivityofhomog
39、eneousconductorswithaluminiumcladsteelwires(SAx)is calculatedbasedontherelevantconductivityinIEC61232. Theconductivityofhomogeneouszinccoatedsteelconductors(Sx)iscalculatedbasedonan averageconductivityof9%IACS.10 61089amend.1CEI:1997 Page65 AjouterlestableauxconducteurssuivantslafindelannexeD: Addth
40、efollowingconductortablesattheendofannexD: TableauD.17DonnespourconducteursdutypeS1A TableD.17DatafortypeS1Aconductors Code numrique Section Nombrede fils Diamtre Fils Conducteur Masse linique Rsistance latraction Rsistance encourant continu Code number Area Numberof wires Diameter Wire Conductor Li
41、near mass Rated strength DC resistance mm 2 mm mm kg/km kN W/km 4 27,1 7 2,22 6,66 213,3 36,3 7,1445 6,3 42,7 7 2,79 8,36 335,9 55,9 4,5362 10 67,8 7 3,51 10,53 533,2 87,4 2,8578 12,5 84,7 7 3,93 11,78 666,5 109,3 2,2862 16 108,4 7 4,44 13,32 853,1 139,9 1,7861 16 108,4 19 2,70 13,48 857,0 142,1 1,7944 25 169,4 19 3,37 16,85 1339,1 218,6 1,1484 40 271,1 19 4,26 21,31 2142,6 349,7 0,7177 40 271,1 37 3,05 21,38 2148,1 349,7 0,7196 63 427,0 37 3,83 26,83 3383,2 550,8 0,4569 NOTELespropritsdesconducteursso
