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TestInstruments&DiagnosisSystemsforKOREA2SebaKMT–ProductrangeSebaKMThasawiderangeofcablefaultlocation,test-anddiagnosistoolsandsystem,whichcouldb

eofinterest:1.TDR(TimeDomainReflectometers):TeleflexVX-InstalledinatestvanOR-Portablesolution(c)Seba

KMT,allrightsreservedHVDC-Cable–200kmUndersea-cablewithafewjointsCablewithnumerousjointsHV-CabelØ120mm(c)SebaKMT,allrightsreservedHVDC–Ca

ble-200km:TDR–TeleflexVXSeaCableopenendSeaCablewithJoints(c)SebaKMT,allrightsreservedHVDC-Cable–200km:TD

R-JointsOverlandcablewithjoints(c)SebaKMT,allrightsreservedTheTeleflexVXin19”FormatTeleflexVX,(c)SebaKMT2012,allrightsreserved6ProRangeTeleflexV

X,(c)SebaKMT2012,allrightsreserved7Distancedependingamplitudede-attenuationasknownfromourTelecomunits.Important:Thisisnotarampg

ain,butanexponentialde-attenuation!De-attenuation=offDe-attenuation=onCable:4x1km=4km;TypeRG58withopenen

dWithactivatedProRangefunction,theendistmuchbettervisibleAdjustabletracethicknessTeleflexVX,(c)SebaKMT2012,allrightsreserved8Thesystem

sbecomebetter,moreaccurateandhaveahigherresolutionProblem:Thetraceshowstoomanydetailsandthesedetailscanbeconfusing.→Nowitispossibletosh

owthetracewithathickerline,→Sameforprinting→Thetracethicknessisadjustablefrom1to9pixels.19”InstallationversionsTeleflexVX,(c)

SebaKMT2012,allrightsreserved9118304460TeleflexVX-ClassicTeleflexVXin19“designassystemintegrationversionforClassicandothercomparablefaultloc

ationsystems.(FornewSystemsandretrofitofexistingsystems)InclusiveadaptationsettotheClassicSystem15"SXGATFTDisplaywithCCFL-backlight,300cd/m²1183

08241TeleflexVX-R30TeleflexVXin19“designassystemintegrationversionforR30andothercomparablefaultlocationsystems(FornewSystemsandr

etrofitofexistingsystems)InclusiveadaptationsettotheR30System15"SXGATFTDisplaywithCCFL-backlight,300cd/m²TeleflexV

XPortableTeleflexVX,(c)SebaKMT2012,allrightsreserved10118308242TFXVXPTeleflexVXPportablewithcaseAsStandAloneVersionf

orthedirectreflectionmeasurementorascombinationwithotherfaultlocationequipment.15"SXGATFTDisplaywithCCFL-bac

klight,300cd/m²Releasedate:Autumn2012DataParameterTeleflexMXTeleflexVXMeasuringrange@80m/µs50m…160km20m…1280kmPulseamplitudeNota

djustablemax.55VAdjustablefrom30…160V0,1mby80m/µs0,1m@80m/µs,1,0cm@V/2<40m/µs„Real“sampleRateUpto100MHzUpto400MHzGain-42dB…+54dB,-37…+3

7dBPulsewidth50ns…5µs20ns…10µsCompensation25,4Ω…1,6kΩandoff=∞8Ω…2kΩandoff=∞ARMTriggerTriggerlevelinfoursteps

,250mVto2VAutomaticbyΔU-Trigger.DelaytimeNotadjustableAdjustablefrom0…7msin256µsStepsDistancedependingde-attenuationNotavailableProRange0…10

0%,max.22dB)ARMslideNotavailable15ARM-SlideMeasurementsinoneshotCloserangeresolutionSmalllimitationsOptim

isedinputcircuitMemoryFlash256MBforDataandProgram2GBforProgrammand2GBforDataHighsafetybyseparatedhardware2GBinternalforrecovery

OperatingsystemLinuxKernel2.4LinuxKernel6.2InternalRecoveryNotavailableHighsafetybyRecoverysystemUSBV1.1V2.0ExternalcouplingviaISA-BUSviaEther

netDisplayStandard(analogue)17"TFTSXGA,CCFL-Backlight,300cd/m²KühlungCoolerfanforDisplayNocoolingfanrequi

redRemoteDesktopf.OWTSAnbindungNotavailableAvailableTracethickness1PixelTracethicknessadjustableTeleflexVX,(c)SebaKMT2012,allrightsreserved1

112SebaKMT–Productrange2.ComprehensiveFaultLocationSystems:➢EZGeneration➢Surgeflex–Portable,fullyautomaticfaultlocationsystem➢R30–Cable

faultlocationsystemupto400kV➢DigiphonePlus–Excellentsurgewavereceiverforacousticandelectromagneticfaultp

inpointing➢MFM-10-SheathFaultLocationSystemTesting,PrelocationandPinpointingofsheathfaults➢ESGNT–Earthfaultlocator(c)SebaKMT,allrightsreserve

dThenew“EZ”GenerationTheEZGeneration13TheEZGeneration142ndGenerationEZ-RESTOREOVERDRIVE2ndGenerationEZ-THUMP2ndGenerationSMART-THUMPT3060IRG2

000BaurKillerNewGenerationSURGEFLEXT3090T3050SuccessorSMARTE-TRAYOverwiewoftheE-TRAYProduktlineEasiestOperationandHandlin

gWiththedevelopmentofthe“EZ”productline,SebaKMThasnowanewgenerationofportablefaultlocationsystem.Themainfeaturesofthes

eSystemsare:-EasiestOperation-Automaticdisplayoffaultdistance-Brightcolordisplay-NoTDRknowledgerequired-Notrain

ingrequired-AutomaticEnddetection-AllinoneunitOneuniqueFrontEndforallSystems!15UniqueFeaturesWiththenew,centralcon

trolofthe„E-Tray“theelectronicsforallthesesystemsareinonesealed,independentenclosure.Onetrayservesall.Theuniquefeatureofthistrayisthelogicalproce

ss,whichwasdevelopedtodeterminetheconditionofthetestobjectandtodecideautomaticallywhichisthemostreasonableappro

achtocontinue,andtoprovideessentialdetailstotheoperator.TheE-Trayconsistsofabrilliant,sunreadable,transflective5.7”colour,dis

playfordirectoutsideoperation,eveninverybrightSunlight.16TransformerandJointrecognitionOneoftheoptionalfeaturesoftheEZTrayistheautomaticdetectionoft

ransformersorjoints.WiththeirknownpositionasaresultofGISordetailedrecordingitispossibletocorrelatethesepositionswiththegeographicallayouts,andd

ependingonthequalityanddetailsofthisknowledgetoisolatethefaultevenwithoutpinpointing.17Thepurposeofthisunitisnotthefault

location(pinpointing),butjusttodeterminethefaultysectionbetweentwotransformersandtoisolateit.ModesofOperation:DCHipottestingPrelocationSur

geEnergy:500or1000JMax.Voltage:12kVWeight:only34kgSurgeSequence10SecondsSupply:12or120/230VAutomaticTestSequenceAutomaticInterpret

ationanddetectionof:EndofCable“OPEN”or“SHORT”DistancetoFaultDetectionanddisplayoftransformers18EZ-Resto

re™/Overdrive183ModesofOperation:DCHipottestingPrelocationPinpointingSurgeEnergy:500JMax.Voltage:12kVVersionMV4kVV

ersionLVSurgeSequence:10SecondsSupply:Batteryor120/230VAutomaticTestSequenceAutomaticInterpretationanddetectionof:EndofCabl

e“OPEN”or“SHORT”DistancetoFaultWeightonly34kgEZ-THUMP™193ModesofOperationDCHipottesting5kVPrelocationARMandICEPinpointingSu

rgeEnergy1000JMax.Voltage2and4kVSurgeSequence10SecondsBatteryOperationor120/230VAutomaticTestSequenceAutomaticInterpret

ationanddetectionofEndofCable“OPEN”or“SHORT”DistancetoFaultWeightonly110kg20Smart-THUMP™5kVSMART-THUM

PTM5203ModesofOperation:DCHipottestingPrelocationARMandICEPinpointingSurgeEnergy:1150JMax.Voltage:7,5and15

kVWeight:110kgSupply:InternalBatteryor120/230VAutomaticTestSequenceAutomaticInterpretationanddetectionofEndofCable

“OPEN”or“SHORT”DistancetoFault21Smart-THUMP15SMART-THUMPTM1521DCHipottestingupto16kVwithBreakdownrecognitionISOTesting20k…10MCurrentmeasuremen

tPrelocationARMandICEPinpointingSheathtestingandpinpointingSurgeEnergy1500JMax.Voltage8and16kVIntegratedF-OhmSafetySystemSu

rgeSequence10SecondsBatteryOperationor120/230VAutomaticTestSequenceAutomaticInterpretationanddetectionofEndofCable,OPEN,SH

ORT,DistancetoFaultWeight140kg22ThenewSmart-THUMP1622DetailsSmartThump1623820021145,SmartThump16DetailsforSystemwithoutBatteryandTr

uckmountVersionwillfollowSalesPrice:22.500€OfficialAvailabilityandMarketingasusualwiththePowerInfoMail!Versions24:Thereisnotonlythefullfeatur

eSystemWehavealwaystheoptionof:1.Portable2.PortablewithoutBatteryandInverterand3.TruckmountversionTheTruckMountVersionSystemwithoutBatteryandI

nverterEZ-andSMARTTHUMPoperationForamoredetaileddemonstrationthereistheEZTraydemosoftwarewhichdemonstratesAndexplainsallv

ersionsandfunctionalities.25Howistheinterpretationdone?Simplybyalogicalevaluation,basedoncommonfaultlocationknowledgeandexperie

nce.Example:Openorinterrupt1.AutomaticHipotTESTNOFlash-over2.AutomaticTDRReferenceTraceCableEnd“OPEN”3.Automatic

ARM®TraceNOFlash-over4.Basedontheseresults,thesoftwareconcludesthatcablemustbeeither“GOOD”orthatcablehas“burntintheclear”thereforeitissugges

tedtotheoperatortoconfirmthisresultbyatestfromtheotherside,byshorteningtheotherend,orjusttoverifythelengt

h!EZ-andSMARTTHUMPoperationbytheE-tray2627PortableFaultLocationSystem,consistingof:➢SurgeGeneratorSPG32with0...4/8/16/32kV,175

0J,-->continiousduty➢DCTest,➢InternalARM®Filter,➢DecayandCurrentCoupler(ICE),➢PulsedSheathFaultMode0.

..5kV,➢ShortTermBurning(faultconditioning),➢TestVanmountedorruggedframewithwheels,➢ReflectometerTeleflexT30-Ewith➢One-Butto

n-Operation,➢OperatorGuidingSoftwareSurgeflex32with1750(3500)Joules(c)SebaKMT,allrightsreserved28HV-ModuleSPG32typicallyequippedwithTDRTeleflexT30

E(incl.DecayandImpulsecurrentmethod)DCTesting0...32kVDCSurging0…4kV;1200J0…8kV;1750J0...16kV;1750J0...32kV;1750JSurgerate3...10s,SinglepulseBurning

0...32kV;160mASheathfaultlocating0...5kV;160mAPhysicalDataofSystemConnectingcable6m(standard)Mainssupply230V;50

/60Hz,2kVADimensions(WxHxD)800x1280x800mmWeight135kgPortable(142kgincl.4kVOption)Surgeflex32:TechnicalData(c)SebaKM

T,allrightsreserved29•One-Button-Operation•10.4“VGAColourTFTHiBrite-FullySunreadableDisplay•QuickSteps®-ModewithautomaticTes

tProcedures•Step-by-StepEasyModeforOperatorGuidingSoftwarewithOnline-Help•Expert-ModewithaccesstoallParameters•A

utomaticFaultRecognitionandDistanceIndication•AutomaticCableEndRecognition•HighResolutionduetospecialPulseShape•Displayof3Traces(colorseparated)•A

RM®-Mode•ImpulseCurrentMethod•DecayMethodTeleflexT30-E(c)SebaKMT,allrightsreserved30Range10m…50km(TransientMethods

20m…100km)Pulsewidth35nsto4µsSamplingrate200MHzAccuracy±0.1%ofrangeDisplay10.4“VGAcolourTFTdisplayV/250m/µs...150m/µsModesDirectL1,L2ComparisonL1,L

2,MemoryDifferenceL1,L2,MemoryARM®-ModeImpulseCurrentMode,DecayModeMemory100TracesInterfaceUSBforPCandprinterOperat

ingtemperature-15°C...50°CDimensions(WxHxD)360x160x270mmSupplyInternalNiMhbattery,110/250VWeight6kgTeleflexT30-E:TechnicalDat

a(c)SebaKMT,allrightsreservedHVOperationfromonesingleunitonly(c)SebaKMT,allrightsreserved32Faultlocationupto

400kVR30theTestVansystemforanyapplication➢DCTestingupto110kV➢Optionsupto150kVand400kVFaultlocationinallknowntechnologies➢ARMandICEupto50kV➢Decay1

10kV➢OptionalDecayMethodupto400kVFullyintegratedsafetyconceptComparablylowweightandvolumeLowpowerconsumptionR3

0themostpowerfulFaultLocationSystem(c)SebaKMT,allrightsreserveddigiPHONE+SystemThedigiPHONE+Systemconsistsof:theReceivert

heSensorandtheHeadset(c)SebaKMT,allrightsreservedCarefulhandling,nightworkandfilteringishistorynow:TodaywehaveanewdefinitionofsilenceThei

nnovationinfaultpinpointingSeveralnew,innovativemethodsofthedigiPHONE+willensurethesilenceThetechnologythatletsyo

uhearthefault–onlythefault!Notraffic!Nohighheels!Notalking!Nonoise!Youhearonlywhatyouwanttohear,•-“THE”Fault!Yourearswilllik

eit!digiPHONE+System(c)SebaKMT,allrightsreservedFeatures/Benefits➢Highestacousticqualityandexternalnoiseimmun

ity➢AutomaticVolumeMutewith„Bangprotection“➢Bright,suncapabledisplay➢EasiestOperation➢Ergonomical,adjustabletelescopichandle➢Dis

tancemeasurementinMillisecondsormeters➢Selectablevolumelimitationto84dB(A)➢Easytracingwithleft–rightindication

➢Faultdirectionindication➢Automaticadjustmentformagneticandacousticchannel➢WeatherproofIP65Sensor,better

IP54receiver➢Highgroundstabilityofthesensorupto45°➢New,highperformanceconnectors!(c)SebaKMT,allrightsreser

vedSensorAdjustablehandleExchangeabletipsActiveElektronic–theevaluationhappenscompletelyinthesensor!Hou

sing:DualshelldiecastingwithtelescopichandleSoftrubberrimsforacousticshieldingDimensions:Diameter230mm(attheouterlip)Height:140mmHandlelength:

450…750mmWeight:SensormitTeleskopstabca.2kgDynamicrange:acousticchannel>110dBDynamicrange:magneticchannel>110dBFrequencyrange:100...1500Hz4Fil

tersettings:OFF100…1500HzLowpass100…400HzBandpass300…500HzHighpass700…1500Hz(c)SebaKMT,allrightsreservedReceiverJogdialON/OFFManualMuteKeyTherecei

verisonlyforthedisplayofthedatageneratedfromthesensorandthesignalprocessingofthesignalsfortheheadset.Dimensions(withrubberfra

me):65mmx225mmx100mm(HxWxD)Weight:app.1kg(incl.Batteries)Supply:6piecesMignoncellsTypIECR6(Alkali-Mangan)Operationtime:@Mignoncellswith2500mAhca

pacity:>10Std.Display:ColorTFT-320x240PixelAdjustmentSelectablelimitationto84dB(A),VolumeAkusticGain:>120dB(c)SebaKMT,

allrightsreservedTracingAgreencablesymbolbeneaththesensorsymbolinthecenterofthedigiPHONE+displayshowsthesideposit

ionofthesensorinrelationtothecabletrace.Thisensuresautomatically,thattheuserremainswiththesensordirectlyontopofthecable,

whichmakesthefaultlocationmoreaccuratebutalsoeasier.Weakfaultaremuchfasterdetectedandlocated.Acrossmeasurementisnotrequired,sincethesystemisp

ositionedautomaticallyintheY-axisontopofthecable(c)SebaKMT,allrightsreservedTheCompassThe„Compass“function

ofthedigiPHONE+recognisesfromthedata,especiallyfromthedifferencetimemeasurement,iftheuserismovingtowardsthefault.Thisisindicatedbythearrowinth

edisplay.TheuserfollowsthearrowandppoachesautomaticallythefaultpositionIfthedigiPHONE+detectsanincreaseofthedifferencetime,itmeans,thatth

euserhaspassedthefaultalready.Inthiscaseabentarrowindicatesthisandrequeststheusertomovebackward.Beforethefault:Thenewvalueislowerthan

theolddifferencevalueAfterthefault:Thenewvalueishigherthantheolddifferencevalue(c)SebaKMT,allrightsreservedMFM10(c)SebaKMT,allrightsreserved(c)Se

baKMT,allrightsreserved41ExamplefromGreece42BadworkmanshipasstandardproblemMoreandmoreunitsareinstalledbyun-experi

encedcheapservicecompaniesworldwide.→MFM-10SheathfaultlocatorrequiredExample(c)SebaKMT,allrightsreserved43MFM10(c)SebaKMT,allrightsreservedDieOpti

calappearance44➢Clearfrontendwithfewoperatingelelments➢AlsointhenewMFM10theeasygopriciplewithjogdiala

ndaccordingopticalfeedbackofthejogdialmotionisrealised➢Intuitiveeasiestoperationwithalargedisplay➢Lessc

onnectioncables➢SolidPelicase(c)SebaKMT,allrightsreserved45MFM10-Features➢Testvoltageupto10kVDC(bipolar!)➢Upto750mAcont

inuouscurrentdrivingcapability(dependingonoutputvoltage(30mAat10kV)→withincertainlimitsusefulasburnun

it!➢Flickeraswellasignitionsoffaultsduringtestingarerecognizedanddisplayed➢Widerangemainssupply88to264V➢Faultlocatingusingthewel

lknownvoltagedropmethod→improvedaccuracyduetolow-noisepreamplifier➢LoggingisdonebyEasyprot➢Easiest,menuguidedoperation➢F

orprelocationtheMFM10checksforwrongconnectionsandinformstheoperatoraccordingly.➢EasyGorotaryknobsuppl

ementedbyatouchscreen(c)SebaKMT,allrightsreservedTheHandling46➢Easy,menuguidedoperationwithrotaryencoderandtouch

screen➢Weightreductionofmorethan30%comparedtotheMFM5-1bynewtechnologies➢OnlyonesingleHVconnectioncable,thepermitstesting,prelocationan

dpinpointingwithoutreconnecting➢Thetestofallconnectedtestleadyavoidsfalsemeasurementsandacceleratesth

ecompleteprocedure➢Themonitoringduringthetest,especiallyduringthevoltagerampupphasedetectsshorttimevoltageorcurrentchanges,whichmightindicate

afaultanddisplaystheseafterthetesttotheoperator.Bythisway,alsomultiplefaultscanbedetectedwithoutapermanentobservationofthedisplay..➢Pelicase

withTrolleyforeasiesttransportability(c)SebaKMT,allrightsreservedTheoperationalspeed-Conclusion47➢Acom

pleteprelocationisjust15seconds➢Easiestoperationg➢OnlyoneHVconnectioncable➢Batteryoperationforatleast2hour

sAllofthesefeaturespermitaveryfasttestandmeasurementCablemanufacturersaremoreandmoreinterestedincheckingthequalityofth

eircontractorcompaniesdoingtheinstallationofthecables.→OurnewMFM-10isthedefinitelyagreattooltodothis.(c)SebaKMT,allrightsreserved48Data

GeneralOutputvoltage±0…10kVDC,bipolartestandmeasurementOutputcurrent750mA@0,4kV,60mA@5kV,30mA@10kVDisp

lay5,7’’320x240;GraphicsLCD;LEDilluminationUserinterfaceEasy-Gorotaryknob/pushbuttonandtouchscreenMainssupply88…264VAC,50…60Hz,<800VAIn

tegratedbatteryNIMH,ca.150Wh,batteryoperationforallapplicationsExternalDCsupply12V...24VDCforbatterychargingandnonHV-operat

ionOperatingconditions-25°C…+55°C;93%rel.humidity(30°C,noncondensing)Dimensions500x457x305mmProtectionratingIP54(withclosedlid)We

ightincl.Acc.~20kgSheathtestingResistanceYesTransient/intermittentfaultdetectionYesBurningYesVoltageandcurrentlimitationYesT

estprotocolYes,EasyProtviaUSBPrelocationMeasuringtechniquevoltagedropmethod(incl.directresistancemeasurement)Accuracy±0,1%;16b

itresolution,atleast153µV/bitMeasuringsequenceAutomaticmeasuringsequencewithouttheneedforbridgeadjustmen

t;Definablecablesections50sectionsPinpointing0-10kVDCpulsedadjustabledutycycle4,8HzforusewithA-FramesAdjustablecurrentlimitYesIntegrateddischargi

ngunitMax.capacityoftestobject10µFOutputvoltage(c)SebaKMT,allrightsreservedESGNT–EarthfaultlocatorThenewESGNTRe

placementoftheESG80AmodernMFM10requiresalsoamodernpinpointingtechnologyWiththenewESGNT,manyrequirementsfromthefieldandsaleswererealized-Automatic

zeroadjustment-Automaticdetectionofthepulserate-Easyhandlingwithoutpermanentadjustment-Highersensitivity-Lessmix-upbyclearcolorcodingEarthRods-Bett

erhandling-Saferbyinsulatedconstruction-MoreforcefortheinsertionintothegroundTheeasymeasurementTargetwasmostcloseorientationontheconve

ntionalpointerinstrumentA.QuasianaloguedisplaywiththenormalconventionaldisplayB.HistoryDisplay,theresponse

ofupto7pulses(ca.15seconds)isdisplayedThemeasurementprocedure➢Asvoltagegradientsinducedbythecurrentflowingbackfromthefaultpositionexistaroundtheear

thingpointofthegenerator,themeasuremightbeelevated(pos.1)indicatesthedirectionofthefaultpositionatthispoi

nt.➢Athalf-waypointbetweenthegeneratorandthefaultposition,thesignalstrengthreachesaminimum(pos.2)signalstrengthincreasesagai

n.➢Themaximumsignalstrengthismeasuredwhenoneoftheearthspikesisdirectlyabovethefault.➢Ifthefaultisexac

tlybetweenthetwoeartheindicatorunitdoesnotdisplayareading.➢Ifthefaultpositionispassedby,thepolaritychanges(pos.5)indicat

orunitpointstotheotherdirection.DisplayMessbildschirmMenübildschirmeMeasuringDisplayMenueDisplayDisplayBargraphforactualValuedisplayactualValueZ

oomLevelActiveFunctionsBatteryStatusFeatures➢Highersensitivity–Measuringrange0,01mV…200V➢Automaticadaptationtothevoltage➢Suppressionofexte

rnaldisturbances(50/60Hz,16⅔Hz,100/120Hz)➢EliminationofDCinfluences➢Automaticzeroadjustment➢Automaticdetect

ionofthepulserate➢Easierhandlingwithoutpermanentadjustment➢Mechanicallystrongandelectricallysafeconstructio

noftheearthrods➢DisplayunitIP54TheEarthRodconceptCableholdersDividableRodsIsolatedupperpartSolidtipsC

olorcodingUniqueSebaKMTdesignTheTransportcaseThevehiclemountingAsforthedigiPHONE+theESGNThasanownvehicleholder.Generally,we

offereitherthecaseorthevehicleholder.ThereisnoobjectiontoofferbothScopeofDeliveryEarthfaultprobeESGNT1xDisplayESG-NT11

83059332xEarthrodsESG-NT1183066921xTestlead2mred8100031811xTestlead2mblack8100031801xManualESGNT1xTransportBag1183029781xInserttra

nsportbagESG118306092AvailabilityAvailablefromMay2012Versions:ESGNTCombiunitwithdigiPHONE+62SebaKMT–Productrange4.V

LF(VeryLowFrequency)CR(CosineRectangular)CableTestingsystems:➢Mostpowerfultestingapproach,inparticularfor(very)long

cables➢Waveformsimilarto50Hz–powerfrequency:Strongincreaseduringzero-crossing➢Fullyautomatic,easytousesystem➢Testmethodaccordingtointernatio

nalstandards(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–PortablesolutionsIVLFCR-28(899005936)4.6µF@28kV7

.0µF@18kV11.0µF@12kVVLFCR-40-B(899004500)2.2µF@40kV2.5µF@35kV5.0µF@18kVVLFCR-60-B(899007186)VLFCR-60-B-OFFS(890025374)0,8µF@60

kV1,7µF@35kV3,0µF@18kVVLFCR-60-P(899007187)VLFverylowfrequencyCRCosineRectangleBBasisPPlus(symmetrical)PZPrüf-Zusatz(testad

don)CENCentrixOFFSOffshore(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–Portab

lesolutionsIIVLFCR-40-P(899004501)VLFCR-40-P-PZ-CEN(890022741)4,4µF@40kV5,0µF@35kV10,0µF@18kVVLFCR-60-P-OFFS(890025376

)VLFCR-60-P-PZ-CEN(890022745)1,6µF@60kV3,0µF@35kV5,5µF@18kVVLFverylowfrequencyCRCosineRectangleBBasisPPlus(symmetrical)PZPrüf-

Zusatz(testaddon)CENCentrixOFFSOffshore(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–Testvanso

lutionsIVLFCR-54-PZ-CEN1(890002585)VLFCR-54-PZ-CEN3(890003040)VLFCR-54-PZ-CLASSIC(893016159)VLFCR-54-PZ-R30(892473488

)5,0µF@54kV8,0µF@36kV21,0µF@18kVVLFCR-80-B(890012125)VLFCR-80-B-PZ-CEN(890012123)2,0µF@80kV(45kV)3,0µF@6

0kV(36kV)4,5µF@40kV4,8µF@36kV9,9µF@20kV(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–TestvansolutionsIIVLFCR-60-HP(890022222)

6,5µF@60kV10,3µF@38kVVLFCR-60-25µF(890025800)VLFCR-60-25µFtrailer(110000000)25,0µF@60kVHP:HighPower(6,5µF-symmetrical)25µF:ConEdversion

(symmetrical)VLFCR-80-P(890012124)VLFCR-80-P-PZ-CEN(890012122)2,5µF@80kV4,5µF@60kV7,0µF@40kV7,7µF@36kV14µF@20kV67ProductOvervi

ewVLFSinustechnologyVLFSinus34kV:➢Testvoltage:34kV➢Testcapacity0,1Hz:0,6µF➢Testcapacity0,01Hz:3,5µF➢T

estfrequency:0.1Hz(0.1Hz–0.01Hz)(automaticfrequencyadaption)NOTE:TheVLFSinus34hasbeendesignedfortheIEEEmarketformaintenancetestingcablesup

to25kV.68➢0,7µF0.1Hz,30kVpeak(20kVRMS)➢5,0µF0.01Hz,30kVpeak(20kVRMS)➢Load-detectionRandC➢Breakdownrecognition➢Manualandautomati

cfrequency-adaption➢F-Ohm➢Testmodes:Sinus,DC+,DC-,rectangularwave,pulsedDCvoltageforsheath-faultlocating.➢ProtocollingandupdateviaUSB➢P

rotectionclassIP20/IP67➢Robustcasing=PELI-Case1440withintegratedtrolley➢Option:tanDeltatestattachmentVLF-S

inseriesTechnicaldetails30(34)kV69VLF-SinseriesTechnicaldetails54kV•Testvoltage:54kV•Testcapacity0,1Hz:1µF•Testcapacity0,01Hz:5,

0µF•Testfrequency:0.1Hz(0.1Hz–0.01Hz)(automaticfrequencyadaption)-FirsttestvanshassuccessfullybeendeliveredtoEDFFrance,integratedi

nCentrix1and3-phase.VertriebstagungBaunach2009,(c)SebaKMT2009,allrightsreserved.VLFTanDeltaSystemdescription/theoreticalexplanati

onsSebaKMT2012VLFTanDeltaTanDeltabasics➢AllMVandHVpowercableshaveahighvoltagelifeexpectancy;➢Duringthewholeservicelifetheya

resubjectedtothermal,electrical,mechanicalandenvironmentalstresses;➢Thesestresseswillchangethemorphologicalpropertiesof

theinsulation,sowillage/degradetheinsulationmaterial;➢Resultisadecreaseofthebreakdown-strengthoftheinsulation;➢

Decreaseoftheinsulationbreakdown-strengthwillintheendleadtocablefailures;➢Toavoidfailuresintheinsulationthemeasurementofthedielectriclossescoul

dbeahelpfultool.RCIICR1tan==VLFTanDeltaTanDeltabasicsUICIRIδDielectriclossesaremainlydominatedbytheconductivel

ossesthatoccurintheinsulationmaterial,incaseofpaper-masscablesalsothepolarization-losseswillinfluencethedielectriclosse

s.TheDielectriclosses(TanDelta)canbecalculatedaccordingto:Visuallygivenby:Insimpleterms,theinsulationresistanceisinverselyproportionalwiththe

TanDelta.(c)SebaKMT2009,allrightsreserved.VLFTanDeltaTanDeltabasicsThemostimportantageingphenomenonforPILC

cablesisthedegradationofcellulose,whatbasicallymeansthatmoisturecomesfreefromthepaperinsulationbecauseofthermalandche

micalprocesses.Thismoisturecontentwilldecreasetheinsulationresistance,resultinginanincreaseinTanDelt

a.ItisclearthatwithPILCcablesexternalwateringresswillalsoinfluencetheTanDelta!ForXLPEcablesthermalageingishardlymeasurablewiththeTa

nDeltamethod,theIRC-methodhoweveriscapableofdetectingthattypeofageing.ThefocusofTanDeltameasurementsonXLPEcablesisdetectingthepresenceofwat

ertrees.Watertreesarethemostimportantageingphenomenonforpolymercablesandcouldleadintoearlycablefaults!(c)SebaKMT2009,allrightsreserve

d.VLFTanDeltaFromwater-treetofailureE-FieldSheathfaultExistenceofwatertreesgrowingofelectricaltreesBreakdownofthecable(c)SebaKMT,allrightsrese

rved.VLFTanDeltaWatertrees–electricalequationsCRf=21tan=)(tan)(421UURRRRRRRisolationxisolationRCR1C1R2C

2R3C3R4C4Watertreestan.10-30123456700,511,522,53U/U00.1Hzdissipationfactorreferencecable(new)slightlyservice-aged(1)modera

telyservice-aged(2)moderatelyservice-aged(3)stronglyservice-aged(4)JICABLE,Versailles,June1995,paperB.9.6.VoltagedependenceoftheTanDeltaofnewan

dserviceagedMVXLPEpowercables.ImportantfactorinthedecisionmakingprocessistheTan,alsocalledtip-up.VLFTanDe

ltaTanDeltabasicsVLFTanDeltaTanDeltabasicsPDinElectricalPowerApparatus;ISBN3-8007-1760-3].VoltagedependenceoftheTanDeltaofapo

orandwellimpregnatedPILCpowercables.AlsointhiscaseinadditiontotheabsoluteTanDeltafactor,theTanortip-upi

sanimportantfactorinthedecisionmakingprocess.IncaseofpoorlyimpregnatedPILCcablestheincreaseinTanDeltaisaresultofthedischargesintheinsulation.(c

)SebaKMT,allrightsreserved.VLFTanDeltaDecisionmakingXLPECablesTheleveloftheTanDeltacanbedistinguishedintothreecatego

ries,insulationisingoodcondition,insulationisagedortheinsulationishighlydegraded.Dependingonthiscategorydifferentm

aintenanceactionsapply.XLPE(accordingtoIEEE4002001,Table2)TanDeltameasuredat0,1Hzsinusoidalat2U0.Cablemustalsobere

placedwhenTanbetween1U0and2U0isbiggerthen1·10-3(alternativecalculatetheTanbetween0.5U0and1.5U0)TanDeltaat2U0AssessmentRepetitionrateTan≤

1.2·10-3Good5years2.2·10-3>Tan>1.2·10-3AgedAnnuallyTan≥2.2·10-3HighlydegradedReplacement(c)SebaKMT2009,allrightsreserved.Furtherdecisioncriteri

aareestablishedinthenorms:•IEC60502-2;cablesareingoodcondition,ifthetemperatureoftheconductoris5°C–10°Candthetan<

0.8·10-3•IEC141-1;cablesareingoodconditionif:[tanδ(2U0)-tanδ(0.5U0)]<1·10-3VLFTanDeltaDecisionmakingXLPECables(c)SebaKMT,a

llrightsreserved.VLFTanDeltaDifferencesbetweenhomo-polymerandco-polymerinsulation.TheIEEE4002001tableisbasedonexperiencesw

ithhomo-polymercables.Atthemomentbeingalmosteveryinsulationisbasedoncopolymercross-linkedPE.Whatwillbethe

consequencesconsideringtheevaluationcriteria?Copolymerinsulationhasgotahigherdissipationfactorduetoitshighcontentofadditionalco

mpounds.HoweverthesecompoundsslowtheagingprocessoftheXLPEcables.graphform:M.Kuschel,W.Kalkner,„Dielectricrespo

nsemeasurementsintimeandfrequencydomainofdifferentXLPEhomo-andcopolymerinsulatedmediumvoltagecables,“IEE,September199

9SebaKMT2009,allrightsreserved.VLFTanDeltainfluencesofaccessoriesFurtherstudiesandexperiencesdealtwitht

heinfluencesonthedissipationfactorcausedbyaccessorieslikejoints/terminations.ThegraphbyBrown[1]depictstheinfluencestotheloss

factorgivenbyhot-shrinkjoints.Thiseffectwasalsoproofedinfurtherindependentstudies[2].Skjølberg[3]showedthatjointswithresistivefieldcontrolh

aveaparticularhighinfluenceonthedissipationfactor.[1]KentWBrown,„MVCableTestingwithVLFatTVANuclear,“WGC18,April2005[2]

EisemannD,„UntersuchungenzumdielektrischenVerhaltenvonMittelspannungs-kabelgarnituren,“VattenfallEurope,TU

-Berlin,2008[3]SkjølbergJ.,„On-siteConditionAssessmentofXLPEPowerCableswithJoints,“SINTEFEnergyResea

rch,Norway(c)SebaKMT,allrightsreserved.VLFTanDeltaTanDeltadecisionmakingforXLPE/PEcables;Mostimportantcriteriafordiagnosisisth

eΔtanδ.Thisparametergivesinformationabouttheagingofthecable.Itisindependentoftheinsulationcomposition,eitherh

omo-orcopolymer.Neverthelesstheinfluencesgivenbyjointscouldnotbeneglected.→Thecomparisonofthecablesphasestoea

chotherandtogetherwith„fingerprints“ofthecablephasesinhealthyconditionorformermeasurementsofthedissipationfactorgivethesecondcr

iteriaforagingdiagnosisviatanδ.Finallytheexperiencesoftheownerofthenetworkcouldalsogiveveryimportant

informationabouttheagingofthecables.(c)SebaKMT,allrightsreserved.Likedemonstratedatthegraphshowingthew

ellandbadimpregnatedPILCcablecouldbegenerallysaid:Tan(XLPE)<<Tan(PILC)TheTanvalueofPILCcablesforwellimpregnatedcablesshouldbeintherang

eof1·10-3-3·10-3and10·10-3±5·10-3forpoorimpregnatedPILCcables.TheΔTanshouldnotexceed2·10-3.VLFTanDe

ltaTanDeltadecisionmakingforPILCcables;(c)SebaKMTallrightsreserved.Generallytakenthedielectriclosseso

fXLPE/PE,EPRanPILCareorderedlike:Tan(XLPE)<Tan(EPR)<Tan(PILC)TheTanvalueofEPRcablesisgiveninarangeof0.5·10-3-2·10-3TheΔTan

shouldnotexceed1·10-3.VLFTanDeltaTanDeltadecisionmakingforEPRcables;graphfrom:KentWBrown,„MVCableTestingwithVLFatTVANucle

ar,“WGC18,April2005VLFTanDeltaSEBAKMTVLFTanDeltameasurementsystemThetanDeltasystemcanbeoperatedasportableunit,orfromoutofatestv

an.DependingonthecombinationofthetanDeltawiththeVLFSinusSystem:-VLFSinus34-VLFSinus54ThemaximumtestvoltageofthetanDe

ltaSystemis62kVpeak.PortableapplicationofthetanDeltasystemIntegratedapplicationofthetanDeltasystemVLFTanDelta,(c)SebaKMT2008,allrightsreserv

ed.VLFTanDeltaSEBAKMTVLFTanDeltameasurementsystemSebaKMTtanDeltaattachmentwithoutleakagecurrentcorrection20.07.202387D

ielectricalDiagnosisVLFTanDelta20.07.202388VLFTanDeltaTest-setupforPILCcablesorXLPEcableswithclean/newterminations20.07.202389VLFTanDeltaTest-setu

pforXLPEcableswithpollutedoroldterminations20.07.202390VLFTanDeltaExampleconnectionforcompensationtermin

ationleakagecurrentGuardingbandmustbesetupintherightpositionnearendfarend20.07.202391VLFTanDeltaUsersoftwareMeasurementscreenofthetrendfromtheTan

Deltaasfunctionofthevoltage,foraprogrammedsequencewith4differentvoltagelevels,forphaseL1,L2andL3.Possibilityto

checkdifferencesbetweenphases.20.07.202392VLFTanDeltaFeatures➢TanDeltaismeasuredonHV-potentialandthusindepen

dentofsheathfaultsormultiple➢groundingsituations.MeasurementonPILCwithgroundedmetallicsheathisalsopossible.Alsononeedtodisconnectthescreens➢Fro

mbothterminationstheleakagecurrentisguardedandsubtracted,incaseoflowTanDeltavalues,fromthetotalcurrentwhichleadstoahighaccuracyoftheTa

nDelta.➢Plausibilitycheckofthevoltageisintegratedinthesoftware(softwarechecksifvoltagelevelatmeasurementunit

,VLFunitandenteredvalueatcontrolunitareequal).➢TanDeltasystemisavailableasportableunitorcanbeintegratedi

nameasurementvan.➢Optiontoprogramsequences,withupto6differentvoltagelevelsandadjustablemeasurementtimes.Combinationof

VarioandVLFCR-60-25µFforConEdisonNewYorkin2002ProductoverviewVLFCRtechnologyTestvansolutions(c)SebaKMT,allrigh

tsreserved94ConnectionTechnologyVehicleinstallation(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreserved95Feature

sandbenefitsoftheVLF60/25µFConEd–VLF60/25isauniquepropertestingsystemfor:➢MVcablesupto80km(1-ph.Testwith30kVcoppercable)or➢MVcablesupto26k

m,(3-ph.testsimultaneously)➢Cableswithhighcapacitance,e.g.duetotheirlargediameter,…➢Cablesthatarebadlyaccessable➢CableswhichhavenoredundanceNow10ye

arsofexperienceswithConEd–testsystems:➢10yearsofcomprehensivetestinghasreducedthefailurerateinthepowernetworks

significantly➢FirstsystemworldwidefortestingonXLPE-andmixedcablesaccordingtointernationalstandards(c)SebaKMT,allrightsreserved96Highly

ecommendCommissioningTestProcedureToassuresafeoperationforatleast10–20yearswerecommendfollowingtestpr

ocedureaftercommissiongprocess:(1)Insulationtest(Meggertest)(2)SheathtestwithMFM-10toanalyzeinstallationqual

ity(3)VLFCosinetest:3xU0for1houraccordingtointernationalstandards(4)PDtestingtolocalizefaultyjoints/terminations(OWTS)(5)L

ateron,periodicalorpermanentdiagnosiswillhelptofindweaklinksinthecables.(→Preventivemaintenance)