HD 22.2 S2 A10-1995 Rubber Insulated Cables of Rat

HARMONIZATIONDOCUMENTHD22.2S2/A1ODOCUMENTD'HARMONISATIONHARMONISIERUNGSDOKUMENTJune1995UDC621.315.211.2.027.475.001.4ICs29.060.20Descriptors:SeeHD22.2C2:1992EnglishversionRubberinsulatedcablesofratedvoltagesuptoandincluding450/750VPart2:TestmethodsConducteursetcâblesisolésaucaoutchouc,detensionassignéeaupluségaleà450/750VPartie2:Méthodesd'essaisIsolierteStarkstromleitungenmiteinerIsolierungausGummimitNennspannungenbis450/750VTeil2:PrüfverfahrenThisamendmentA10modifiestheHarmonizationDocumentHD22.2S2:1992;itwasapprovedbyCENELECon1995-05-15.CENELECmembersareboundtocomplywiththeCENICENELECInternalRegulationswhichstipulatetheconditionsforimplementationofthisamendmentonanationallevel.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalimplementationmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENELECmember.Thisamendmentexistsinthreeofficialversions(English,French,German).CENELECmembersarethenationalelectrotechnicalcommitteesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENELECEuropeanCommitteeforElectrotechnicalStandardizationComitéEuropéendeNormalisationElectrotechniqueEuropäischesKomiteefürElektrotechnischeNormungCentralSecretariat:ruedeStassart35,B-1050Brussels1995CopyrightreservedtoCENELECmembersRef.No.HD22.2S2:1992/A10:1995EPage2HD22.2S2:1992/A10:1995ForewordThisamendmentwaspreparedbytheTechnicalCommitteeCENELECTC20,Electriccables.ThetextofthedraftwassubmittedtotheUniqueAcceptanceProcedureandwasapprovedbyCENELECasamendmentA10toHD22.2S2:1992on1995-05-15.Thefollowingdateswerefixed:-latestdatebywhichtheexistenceoftheamendmenthastobeannouncedatnationallevel(doa)1996-01-01-latestdatebywhichtheamendmenthastobeimplementedatnationallevelbypublicationofaharmonizednationalstandardorbyendorsement(dopl1996-07-01-latestdatebywhichthenationalstandardsconflictingwiththeamendmenthavetobewithdrawn(daw)1996-07-01iForproductswhichhavecompliedwithHD22.2S2:1992anditsamendmentsA5:1992,A6:1992,A7:1992,A8:1993andA9:1993before1996-07-01,asshownbythemanufacturerorbyacertificationbody,thispreviousstandardmaycontinuetoapplyforproductionuntil1997-07-01..Page3HD22.2S2:1992/A10:1995Insertnewsub-clauses3.4and3.53.4ThreeDullevflexinotest3.4.1TestmethodThetestshallbecarriedoutinaccordancewithsub-clause3.1exceptforthefollowingmodificationstotheapparatusdescribedtherein.(i)CarrierTheapparatusdescribedinsub-clause3.1.2shallhaveamodifiedcarrierC,asshowninFigure3a.(¡i)PullevwheelsThethreepulleywheelsofmodifiedcarrierCshallbeofequaldiametertoeachotherinaccordancewiththetableC.TableCDiameterofDullevwheelsCabletype(numberandnominalcrosssectionalareaofconductors)2x0.75mm22xlmmz3x0.75mmz2x1.5mm23x1mm23x1.5mm2Diameterofpulleywheels(mm)404040454550(i¡¡)SDeedofcarrierTheconstantspeedofthemodifiedcarrierCshallbeapproximatelyO.1m/s.(iv)WeightTheappliedweighttostresstheconductorasdescribedinsub-clause3.1.3ofshallbecalculatedonthebasisof28N/mmzofconductorcrosssection.3.4.2ReauirementsDuringthetestwith1000cycles,ie2000singlemovements,neitherinterruptionofthecurrent,shortcircuitbetweentheconductorsnorshortcircuitbetweenthecableandthepulleys(theflexingapparatus)shalloccur.Aftertherequirednumberofcyclesthesheathofthecable,ifany,shallberemoved.Thecoresshallthenwithstandthevoltagetestcarriedoutinaccordancewithsub-clause2.3,butwithatestvoltagenotexceeding2,OOOV.CENELECHD*22=2S2/ALO95m3V04.583015449L476mPage4HD22.2S2:1992/A10:1995IAIFiaure3a:ModifiedcarrierCaCENELECHDx22.2S2/ALO95M34045830154492302MPage5HD22.2S2:1992/A1O:19953.5Kinktest3.5.13.5.23.5.33.5.43.5.5AoDlicabilityThetestisapplicableto2and3coresheathedcords,withconductorcross-sectionalareasuptoandincluding1.5mm2.ADDaratUSThetestshallbecarriedoutbymeansofatensilestrengthtestingmachineorequivalentapparatus.Thereshallbetwoclampsforfixingthecord.Theupperclampshallbecapableofupwardsanddownwardsmovement.Thelowerclampshallallowfreemovementintheverticaldirection,butshallbepreventedfromtwistingaboutitsverticalaxissothatnochangetothetorsioninthecordisintroducedduringthetest.ThearrangementisshowninFigure3b.SamDleThetestcordsampleshallhavealengthofapproximatelyonemetre.Thecordshallbetwistedthreetimes,asshowninPosition1(startingpositiononly)ofFigure3b,andthenfixedintheupperandlowerclampssuchthatthestartingdistancebetweentheclampsis200mm.Thetotalextendedlengthofcordbetweenthetwoclampsisapproximately800mm,asshowninposition2(extendedposition)ofFigure3b.Foursamplesshallbepreparedfortesting,twowiththetwistsappliedinaclockwisedirectionandtwoinananticlockwisedirection.TestorocedureThelowerclampshallbeloadedwithaweight,sufficienttoexertthetensileforcegiveninTableD.Eachconductorofthecordshallbeloadedwithacurrent,asspecifiedinTableE.Thecurrentmaybeatalowvoltage.Themoveableupperclampshallmakeupwardsanddownwardsmovementsattherateofninecompletecyclesperminute(onecompletecycleequalsoneupwardsanddownwardsmovement).Thedistanceoftravelforeachmovement(upordown)shallbe650mm.Whentheupperclampisfullyraised