IEC605024VsIEEE48

13.03.2008WBHENGINEERINGIEC60502-4,IEC60840,IEC62067inContexttoIEEE48&404Dipl.Ing.W.B.Haverkamp,VDE,CIGRE,IEEECableaccessoriesforratedVoltagesUm=1.2kVuptoUm=550kV13.03.20082ICCNashville2010Abstract•TheintentionofthispresentationistoexploretheIECstandardsfortestingandqualificationofcableaccessoriessuppliedandinstalledonextrudedandlaminatedpowercable.TestmethodsandproceduresexampleswillbebroughtintocontextwiththecurrentIEEE404and48standards.13.03.20083ICCNashville2010Structure•Statusofcurrentstatus–Rangeofapprovals–Testprogram–Comparison•Comments•Conclusions13.03.20084ICCNashville2010StandardsandRequirementsOtherthanCrystalBallMagic13.03.20085ICCNashville2010CurrentStandardStatus•IECStandardscoveringratedVoltagesIECStandardscoveringratedVoltages–UUmm=1.2kV-500kVbythreedifferentpapers=1.2kV-500kVbythreedifferentpapersdividedintothreedifferentVoltageapplicationdividedintothreedifferentVoltageapplicationranges.ranges.•IEEE48-2008andIEEE4042006coveringratedIEEE48-2008andIEEE4042006coveringratedVoltageUVoltageUmm=2.5kV–500kVinonedocumenteach.=2.5kV–500kVinonedocumenteach.13.03.20086ICCNashville2010Standards:MV-ApplicationTermination&SplicesTransformer&GISIECIEC60502-4Um≤42kVIEC60502-4Um≤42kVCENELECENHD629Um≤42kVEN61442Um≤42kVHD629Um≤42kVEN61442Um≤42kVIEEEIEEE48Um≤46kVIEEE386Um≤36.6V13.03.20087ICCNashville2010CENELEC?•EuropeanCommitteeforElectrotechnicalStandardisation–Foundedin1973asamergeroftwopreviousEuropeanOrganizationsCENELandCENELCOM–Theaimisharmonizingthenationalstandardsintoharmonizedstandardse.gVDE,BS,SENetc.©CENELECmembersEUneighbouringcountriesaffiliates13.03.20088ICCNashville2010Standards:HVApplicationTerminationTransformer&GISIECIEC60840Um≤170kVIEC60815Um≤170kVIEC62067Um≤500kVIEC60859Um≤170kVIEC60840Um≤170kVIEC62067Um≤500kVCENELECHD632Um≤145kVEN61442HD632Um≤145kVEN61442IEEEIEEE48Um≤550kVIEEE1300Um≤550kV13.03.20089ICCNashville2010Standards:HVApplicationSplicesIECIEC60840Um≤170kVIEC62067Um≤500kVCENELECHD632Um≤145kVIEEEIEEE404Um≤500kV13.03.200810ICCNashville2010IECTitles•IEC60502-4ed.2.02005Powercableswithextrudedinsulationandtheiraccessoriesforratedvoltagesfrom1kV(Um=1.2kV)upto30kV(Um=36kV)HD629.1S2:2006(harmonized)Testrequirementsonaccessoriesforuseonpowercablesofratedvoltagefrom3.6/6(7.2)kVupto20.8/36(42kV)-Testmethodrequirements•IEC60840ed.3.02004Powercableswithextrudedinsulationandtheiraccessoriesforratedvoltagesabove30kV(Um=170kV)upto500kV(Um=550kV)-Testmethodrequirements•IEC62067ed.1.12006Powercableswithextrudedinsulationandtheiraccessoriesforratedvoltagesabove150kV(Um=170kV)upto500kV(Um=550kV)-Testmethodrequirements13.03.200811ICCNashville2010IEC60504basisstructure•TheIEC60504isdividedinfourparts–Part1:Cablesforratedvoltagesof1kV(Um=1.2kV)upto3kV(Um=3.6kV)–Part2:Cablesforratedvoltagesfrom6kV(Um=7.2kV)upto36kV(Um=42kV)–Part3:reserved–Part4:Testrequirementsonaccessoriesforcableswithratedvoltagesfrom6kV(Um=7.2kV)upto36kV(Um=42kV)ThisstandardisthebaserootfortheharmonizedHD629.1S2:2006andisthefourthpartoftheIEC60504.13.03.200812ICCNashville2010Grandfatherclauseetc.•IEC60502-2/HD629-1–Thisstandarddeterminesthetestrequirementsforaccessoriesusedonpowercablewithratedvoltagesfrom3.6/6(7.2)kVupto18/30(36)kV,complyingwithIEC60502-2.–Formerly,approvalsofproductsnowcoveredbythisIECstandardhavebeenachievedonbasisofnationalstandardsdemonstrationofsatisfactoryserviceperformance.Thisissuedoesnotinvalidateexistingapprovals.–Aftertestingexaminationhasaddedtothetestsequence–Shortcircuitonconductorandshieldismandantoryatambientandelevatedtemperature13.03.200813ICCNashville2010RangeofapprovalIEC60502-4•Approvalrequirements:–Rangeofaconductorcross-sectionalarea95mm²-300mm²Testcross-sectioncanbeselectedeither120mm²,150mm²or185mm²–Incasetherangeoftheaccessoriesisextendingthegivenrange,additionaltestsampleshavetoappliedwiththeextendedcrosssectionsinadditiontothetestcrosssectionasmentionedabove–Approvalisdependingonthecableinsulationmaterial©IEC60502-413.03.200814ICCNashville2010ProductcoverageIEC60502-4•Thespecificationcovers–TerminationIndoorOutdoor–SplicesInlinestraight/branch/stoppTransitionstraight/branch–Separableconnectors/screened/unscreendRating200/250A;400A600/630A;800A;1250A13.03.200815ICCNashville2010RangeofapprovalIEC60502-4(continued)•Differentinsulationscreensrequireextensiontestsgettingapprovalofthecompleteproductrange•Singlecorecabletestresultsdonotapprove3coreapplication•ApprovalofaccessoriestestedforaspecifiedU0shallextendtheaccessoryforthelowerU013.03.200816ICCNashville2010ListedTestsIEC60502-4•Outdoorterminationwillbetestedwet1minanddry5minat4U0:–requiredifferenttesttimethanIEEE#48-2009atdryandwet.Testlevelare~25%lower•DClevelislowerthanfromIEEE#48-2009>30%,timingisthesame.•BILisoneratingleveldifferent–RatingvoltageUr=15kVIEC60504-4:95kV1.2/50µsIEEE48/404:110kV1.2/50µs•ThermalCycling1000h–Testvoltage2.5U0maxconductortemp90°C+5°Ktiming8hintotal>2hsteadyheating>3hcooling©IEC60502-413.03.200817ICCNashville2010•4samplessec.1.1ACorDCasstart-up•3samplesforthermalanddynamikshortcurrenttest.Weatheringtestedondifferentset-ups©IEC60502-413.03.200818ICCNashville2010ComparisonofIECandIEEETestlevels1,06,011,016,021,026,01,0010,00100,00BIL/UoAC/Uo1,06,011,016,021,026,01,0010,00100,00BIL/UoAC/UoU0U0ThediagramsshowthedifferentvaluesforBilandAC-WithstandbasedonphasetogroundvoltageU0IEC60502-4ratedvoltage≤42kVIEEE48&404ratedvoltage≤46kV13.03.200819ICCNashville2010ThermalCyclingMVApplicationIEC60502-4–Loadcycling:4testsamplesCycletime8h1000h(126cycles)totalmeans500hdryinairand500himmersedinwater(jointsonly)atmaxconductortemperature+5K–10Kfor2hsteadyheating.Theconductortemperaturecalibration.–Separatecalibrationcableloopcarryingthesamecurrentload,butnovoltageapplied–Connectedcalibrationcableloopisolated–Temperaturemonitoring2hsteadyϑTimeonecycle8hMaxCondTemp.+5-+10K13.03.200820ICCNashville2010ThermalCyclingMVApplicationIEEE48&404–Loadcycling:3splices&3splicesCycletime24h3splices720h(30cycles)totaldryinairand3splices720himmersedinwater(jointsonly)atmaxconductoremergingtemperature0K-5Kfor6hsteadyheating.Theconductortemperaturemustbecalibratedbefore.–SeparatecalibrationcableloopwiththermalcouplesbondedtothecableJacket,carryingthesamecurrentload,butnovoltageappliedand–Connectedcalibrationcableloopisolated6hsteadyϑTimeonecycle24hMaxCondEmergTemp0K/-5K13.03.200821ICCNashville2010Otherdifferences•IEC60502-4–Shortcircuittestsreachingmaxpermissbleconductortemperature(XLPE250°C)intheranget=1s-5sdefinedinIEC61442clause11twoshotsShieldtestingatmaxshieldcurrentIdfort=1s-5sdeclaredbythemanufactureroneshotDynamicshortcircuittest–3categoriest=10ms<60msIp>63kA,Ip>80kA,Ip>125kA•IEEE404–Shortcircuittests170msI≤35kA,OneshotplusACwithstandafterwards–ShieldtestingIEEEStd.59213.03.200822ICCNashville2010Moredifferences.....•IEEE48–Noweathering–Itisadvisedthatsufficienttestsareavailable,whichcouldbeused,whenrequiredbytheclient•IEC60502-4–IndoorterminationonlyHumiditytesting–300h@1.25U0(0.4±0.1)l/h/m³Water(70±10)mS/mSaltFogtesting–1000h@1.25U0(0.4±0.1)l/h/m³Water(1600±200)mS/m13.03.200823ICCNashville2010IEC60840•DifferencesaccordingtotheIEC60502-4structure–TheWGTC20ofIECOrg.hadwellunderstood,thatcableandaccessoriesarebuildingacablesystemandthereforewillbechargedwiththesamerequirementsduringitsservicetimeThisspecificationprovidestestrequirementsforcableandtherespectedaccessories.Itdifferentiatesin–Routinetest–Sampletest('Fingerprinting')–Typetest–Afterinstallationtest13.03.200824ICCNashville2010©IEC6084013.03.200825ICCNashville2010ComparisonofIECandIEEETestlevelsThediagramsshowthedifferentvaluesforBilandAC-WithstandbasedonphasetogroundvoltageU0.TheBILduetoinsulationcoordinationIEEE1313.1&IEC60071-1-2isnearlyequivalent.20,030,040,050,060,070,080,090,0100,01,0010,00BIL/UoAC/Uo20,030,040,050,060,070,080,090,0100,01,0010,00BIL/UoAC/UoIEC60840ratedVoltageUm≤170kVIEEE48&404ratedVoltageUm≤170kVU0U02.5U013.03.200826ICCNashville2010ThermalCycling20heatcycles:8hrs90°C+5°C≤10°C@2hrsplateau,then16hrscoolingatambienttemperatureContinuoustest-voltageappliedU=152kVAC(2U0)Heatcycletest30heatcycles:12hrs130°C+0°C≤5°C@6hrsplateau,then12hrscoolingatambienttemperatureContinuoustest-voltageappliedU=160kVAC(2U0)1.75Uofor10sec,thendecreasedto1.5U0PDq≤5pC(133kV5secthen114kVPD)PartialdischargeU0for30sec,thendecreasedto1.75U0PD@q≤3pC(140kV30sec120kVPD)IEC60840TestIEEE48/40413.03.200827ICCNashville2010MechanicsofPolymersunderTemperatureStrain©Peschke,Siemens13.03.200828ICCNashville2010BILandSectionalizerBIL650kV1.2/50µs±10shotsConductorTemperature90°C+5≤10°CACVoltageWithstand2.5U0=190kV30minHeatcycletestBIL650kV1.2/50µs±10shotsConductorTemperature130°C+0≤5°CACVoltageWithstand2.5U0=200kV360min1.75Uofor10sec,thendecreasedto1.5U0PDq≤5pC(133kV5secthen114kVPD)PartialDischarge2Uofor30sec,thendecreasedto1.75U0PDq≤3pC(140kV5secthen124kVPD)20kVD.C.1minSheath-Sheath±10shots60-75kVSheath–Ground±10shots30-37.5kVSectionalizer20kVA.C.1minSheath-Sheath±10shots60kVSheath–Ground±10shots30kVIEC60840TestIEEE48/40413.03.200829ICCNashville2010AftertestexaminationIEC60840(IEC62067)requiresafterprequalificationtestanexaminationandvisualinspection.13.03.200830ICCNashville2010IEC62067extrudedpowercablesandprefabricatedaccessoriesUm=170kV–Um=550kV©IEC6206713.03.200831ICCNashville2010TestlevelsatratedVoltage>150kV50,0100,0150,0200,0250,0300,01,0010,00BIL/UoAC/Uo50,0100,0150,0200,0250,0300,01,0010,00BIL/UoAC/UoIEC62067ratedVoltageUm>150kVIEEE404ratedVoltageUm>150kVThediagramsshowthedifferentvaluesforBILandAC-WithstandbasedonphasetogroundvoltageU0.TheBILduetoinsulationcoordinationIEEE1313.1&IEC60071-1-2isisdifferent,sincetheIEEEusesdifferentcategories.13.03.200832ICCNashville2010Comments•UptoUm≤46kVaccessoriescanbequalifiedindependently(IEC)fromcables•Beyondthisvoltagelevelaccessoryqualificationislinkedtoparticularcabletypessupplied.PrequalificationPrequalificationisamust!•BILtestlevelsofIECareratherdifferentatratedVoltagesbelowU0≤7kVcomparedwithratedlevelsinIEEE•ThecomparisondemonstratewithregardtoBILthatIECandIEEErequiredvaluearesimilarbyratedvoltages13.03.200833ICCNashville2010Comments•TheACtestvoltageshowevervarybetween2U0(IEC)and2.5U0(IEEE).•Themajordifferentisthethermalcyclingconductortemperature90°Cand130°C–XLPEthermalexpansionbehaviorandchangesincrystallizationattemperaturesT<110willlooseitsmechanicalresistance.–CablesystemthermalshortcircuittestsarenotcoveredintheIEEE404&48.TheI²tbasedonlevelIk≤35kAfor170msdoesprovideconductortemperaturesϑ<<250°C(XLPE)lowerasrequested.13.03.200834ICCNashville2010Conclusion•Sincethesoshowndifferencesasinsomecasesnotifiedapossibleplatformshouldbecreatedinharmonizingand/oradaptingthestandardrequirementswithinIEEEandIEConinsulatedconductorsforpowerapplications.•ItiswellacceptedbyconsumerandsuppliersthatproductsqualifiedeithertoIECortoIEEEqualificationstandardshasprovideddecentoperationservicehistoryrecordsuptoday.13.03.200835ICCNashville2010Thankyouforyourattention!