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TestInstruments&DiagnosisSystemsforKOREA2SebaKMT–ProductrangeSebaKMThasawiderangeofcablefaultlocation,test-anddiagnosist

oolsandsystem,whichcouldbeofinterest:1.TDR(TimeDomainReflectometers):TeleflexVX-InstalledinatestvanOR-Portablesol

ution(c)SebaKMT,allrightsreservedHVDC-Cable–200kmUndersea-cablewithafewjointsCablewithnumerousjointsHV-Cabel

Ø120mm(c)SebaKMT,allrightsreservedHVDC–Cable-200km:TDR–TeleflexVXSeaCableopenendSeaCablewithJoints(c)SebaKMT,allri

ghtsreservedHVDC-Cable–200km:TDR-JointsOverlandcablewithjoints(c)SebaKMT,allrightsreservedTheTeleflexVXin19”FormatTeleflexVX,(c)SebaKM

T2012,allrightsreserved6ProRangeTeleflexVX,(c)SebaKMT2012,allrightsreserved7Distancedependingamplitudede-attenuati

onasknownfromourTelecomunits.Important:Thisisnotarampgain,butanexponentialde-attenuation!De-attenuation=offDe-att

enuation=onCable:4x1km=4km;TypeRG58withopenendWithactivatedProRangefunction,theendistmuchbettervisibleAdjust

abletracethicknessTeleflexVX,(c)SebaKMT2012,allrightsreserved8Thesystemsbecomebetter,moreaccurateandhaveahigherresolutionP

roblem:Thetraceshowstoomanydetailsandthesedetailscanbeconfusing.→Nowitispossibletoshowthetracewithathickerline,→Sameforprinting→Thetracethicknes

sisadjustablefrom1to9pixels.19”InstallationversionsTeleflexVX,(c)SebaKMT2012,allrightsreserved9118304460TeleflexVX-ClassicTel

eflexVXin19“designassystemintegrationversionforClassicandothercomparablefaultlocationsystems.(FornewSystemsandretrofitofexi

stingsystems)InclusiveadaptationsettotheClassicSystem15"SXGATFTDisplaywithCCFL-backlight,300cd/m²118308241TeleflexVX-R30TeleflexVXin19“des

ignassystemintegrationversionforR30andothercomparablefaultlocationsystems(FornewSystemsandretrofitofexistingsystems)Inclusiveadaptations

ettotheR30System15"SXGATFTDisplaywithCCFL-backlight,300cd/m²TeleflexVXPortableTeleflexVX,(c)SebaKMT2012,allr

ightsreserved10118308242TFXVXPTeleflexVXPportablewithcaseAsStandAloneVersionforthedirectreflectionmeasurementorascombinationwit

hotherfaultlocationequipment.15"SXGATFTDisplaywithCCFL-backlight,300cd/m²Releasedate:Autumn2012DataParameterTeleflexMXTel

eflexVXMeasuringrange@80m/µs50m…160km20m…1280kmPulseamplitudeNotadjustablemax.55VAdjustablefrom30…160V0,1mby80m/µs0,1m@80m/µs,1,0cm@V/2<40m/µs„Real“s

ampleRateUpto100MHzUpto400MHzGain-42dB…+54dB,-37…+37dBPulsewidth50ns…5µs20ns…10µsCompensation25,4Ω…1,

6kΩandoff=∞8Ω…2kΩandoff=∞ARMTriggerTriggerlevelinfoursteps,250mVto2VAutomaticbyΔU-Trigger.DelaytimeNotadjustableAdjustablefrom0…7msin256µsStepsDis

tancedependingde-attenuationNotavailableProRange0…100%,max.22dB)ARMslideNotavailable15ARM-SlideMeasurementsinonesho

tCloserangeresolutionSmalllimitationsOptimisedinputcircuitMemoryFlash256MBforDataandProgram2GBforProgramman

d2GBforDataHighsafetybyseparatedhardware2GBinternalforrecoveryOperatingsystemLinuxKernel2.4LinuxKernel6.2InternalRecoveryNotavailableHighsafet

ybyRecoverysystemUSBV1.1V2.0ExternalcouplingviaISA-BUSviaEthernetDisplayStandard(analogue)17"TFTSXGA,CCFL-Backlight,30

0cd/m²KühlungCoolerfanforDisplayNocoolingfanrequiredRemoteDesktopf.OWTSAnbindungNotavailableAvailableTracethickness1PixelT

racethicknessadjustableTeleflexVX,(c)SebaKMT2012,allrightsreserved1112SebaKMT–Productrange2.ComprehensiveFaultLocationSystems:➢EZGeneratio

n➢Surgeflex–Portable,fullyautomaticfaultlocationsystem➢R30–Cablefaultlocationsystemupto400kV➢DigiphonePlus–Exc

ellentsurgewavereceiverforacousticandelectromagneticfaultpinpointing➢MFM-10-SheathFaultLocationSystemTesting,PrelocationandPinpointingofshea

thfaults➢ESGNT–Earthfaultlocator(c)SebaKMT,allrightsreservedThenew“EZ”GenerationTheEZGeneration13TheEZG

eneration142ndGenerationEZ-RESTOREOVERDRIVE2ndGenerationEZ-THUMP2ndGenerationSMART-THUMPT3060IRG2000BaurKi

llerNewGenerationSURGEFLEXT3090T3050SuccessorSMARTE-TRAYOverwiewoftheE-TRAYProduktlineEasiestOperationandHandlingWiththedevelopmentofthe“EZ”product

line,SebaKMThasnowanewgenerationofportablefaultlocationsystem.ThemainfeaturesoftheseSystemsare:-EasiestOperation-Automaticdi

splayoffaultdistance-Brightcolordisplay-NoTDRknowledgerequired-Notrainingrequired-AutomaticEnddetection-Alli

noneunitOneuniqueFrontEndforallSystems!15UniqueFeaturesWiththenew,centralcontrolofthe„E-Tray“theelectronicsforallthesesystemsareinone

sealed,independentenclosure.Onetrayservesall.Theuniquefeatureofthistrayisthelogicalprocess,whichwasdevelopedtodet

erminetheconditionofthetestobjectandtodecideautomaticallywhichisthemostreasonableapproachtocontinue,andtoprovideessentialdet

ailstotheoperator.TheE-Trayconsistsofabrilliant,sunreadable,transflective5.7”colour,displayfordirectoutsideoperation,eveninverybrightSunlight.1

6TransformerandJointrecognitionOneoftheoptionalfeaturesoftheEZTrayistheautomaticdetectionoftransformersorjoints.Withtheirk

nownpositionasaresultofGISordetailedrecordingitispossibletocorrelatethesepositionswiththegeographicallayouts,anddependingonthequality

anddetailsofthisknowledgetoisolatethefaultevenwithoutpinpointing.17Thepurposeofthisunitisnotthefaultlocation(pinpo

inting),butjusttodeterminethefaultysectionbetweentwotransformersandtoisolateit.ModesofOperation:DCHipottestingPrelocationSurgeEnergy:

500or1000JMax.Voltage:12kVWeight:only34kgSurgeSequence10SecondsSupply:12or120/230VAutomaticTestSequenceAutom

aticInterpretationanddetectionof:EndofCable“OPEN”or“SHORT”DistancetoFaultDetectionanddisplayoftransformers18EZ-Restor

e™/Overdrive183ModesofOperation:DCHipottestingPrelocationPinpointingSurgeEnergy:500JMax.Voltage:12kVVersionMV4kV

VersionLVSurgeSequence:10SecondsSupply:Batteryor120/230VAutomaticTestSequenceAutomaticInterpretationanddetecti

onof:EndofCable“OPEN”or“SHORT”DistancetoFaultWeightonly34kgEZ-THUMP™193ModesofOperationDCHipottesting5kV

PrelocationARMandICEPinpointingSurgeEnergy1000JMax.Voltage2and4kVSurgeSequence10SecondsBatteryOperationor120/230VAutomaticTestSequenceAut

omaticInterpretationanddetectionofEndofCable“OPEN”or“SHORT”DistancetoFaultWeightonly110kg20Smart-THUMP™5kVSMART-THUMPTM5203ModesofOperation:DCHipotte

stingPrelocationARMandICEPinpointingSurgeEnergy:1150JMax.Voltage:7,5and15kVWeight:110kgSupply:InternalBatteryor120/230VAutomat

icTestSequenceAutomaticInterpretationanddetectionofEndofCable“OPEN”or“SHORT”DistancetoFault21Smart-THUMP15SMART-THUMPTM1521DCHipottesti

ngupto16kVwithBreakdownrecognitionISOTesting20k…10MCurrentmeasurementPrelocationARMandICEPinpointingSheathtestingandp

inpointingSurgeEnergy1500JMax.Voltage8and16kVIntegratedF-OhmSafetySystemSurgeSequence10SecondsBatteryOperationor120/230VAutomaticTestSequenceA

utomaticInterpretationanddetectionofEndofCable,OPEN,SHORT,DistancetoFaultWeight140kg22ThenewSmart-THUMP1622DetailsSmartThump1623820021145

,SmartThump16DetailsforSystemwithoutBatteryandTruckmountVersionwillfollowSalesPrice:22.500€OfficialAvailabilityandMarketingasusualwit

hthePowerInfoMail!Versions24:ThereisnotonlythefullfeatureSystemWehavealwaystheoptionof:1.Portable2.PortablewithoutBatteryandI

nverterand3.TruckmountversionTheTruckMountVersionSystemwithoutBatteryandInverterEZ-andSMARTTHUMPoperationForamoredetaileddemonstrationthereistheEZTra

ydemosoftwarewhichdemonstratesAndexplainsallversionsandfunctionalities.25Howistheinterpretationdone?Simplybyalogicalevaluation,

basedoncommonfaultlocationknowledgeandexperience.Example:Openorinterrupt1.AutomaticHipotTESTNOFlash-over2.AutomaticTDRReferenceTraceCable

End“OPEN”3.AutomaticARM®TraceNOFlash-over4.Basedontheseresults,thesoftwareconcludesthatcablemustbeeither“GOOD”orthatc

ablehas“burntintheclear”thereforeitissuggestedtotheoperatortoconfirmthisresultbyatestfromtheotherside,byshorteningt

heotherend,orjusttoverifythelength!EZ-andSMARTTHUMPoperationbytheE-tray2627PortableFaultLocationSystem,consistingof:➢SurgeGener

atorSPG32with0...4/8/16/32kV,1750J,-->continiousduty➢DCTest,➢InternalARM®Filter,➢DecayandCurrentCoupler(I

CE),➢PulsedSheathFaultMode0...5kV,➢ShortTermBurning(faultconditioning),➢TestVanmountedorruggedframewithwheels,➢ReflectometerTeleflexT3

0-Ewith➢One-Button-Operation,➢OperatorGuidingSoftwareSurgeflex32with1750(3500)Joules(c)SebaKMT,allrightsreserve

d28HV-ModuleSPG32typicallyequippedwithTDRTeleflexT30E(incl.DecayandImpulsecurrentmethod)DCTesting0...32kVDCSurging0…4kV;1200J0…8kV;1750J0...1

6kV;1750J0...32kV;1750JSurgerate3...10s,SinglepulseBurning0...32kV;160mASheathfaultlocating0...5kV;160mAPhysicalDataofSystemConnectingcable6

m(standard)Mainssupply230V;50/60Hz,2kVADimensions(WxHxD)800x1280x800mmWeight135kgPortable(142kgincl.4kVOption)Surgeflex32

:TechnicalData(c)SebaKMT,allrightsreserved29•One-Button-Operation•10.4“VGAColourTFTHiBrite-FullySunreada

bleDisplay•QuickSteps®-ModewithautomaticTestProcedures•Step-by-StepEasyModeforOperatorGuidingSoftwarewithOnline-Help•Expert-ModewithaccesstoallPara

meters•AutomaticFaultRecognitionandDistanceIndication•AutomaticCableEndRecognition•HighResolutiondue

tospecialPulseShape•Displayof3Traces(colorseparated)•ARM®-Mode•ImpulseCurrentMethod•DecayMethodTeleflexT30-E(c)SebaKMT,allrightsreserved30Ran

ge10m…50km(TransientMethods20m…100km)Pulsewidth35nsto4µsSamplingrate200MHzAccuracy±0.1%ofrangeDisplay10.4“

VGAcolourTFTdisplayV/250m/µs...150m/µsModesDirectL1,L2ComparisonL1,L2,MemoryDifferenceL1,L2,MemoryARM®-ModeImpulseCurr

entMode,DecayModeMemory100TracesInterfaceUSBforPCandprinterOperatingtemperature-15°C...50°CDimensions(WxHxD)360x160x270mmSupply

InternalNiMhbattery,110/250VWeight6kgTeleflexT30-E:TechnicalData(c)SebaKMT,allrightsreservedHVOperationfromonesingleunitonly(

c)SebaKMT,allrightsreserved32Faultlocationupto400kVR30theTestVansystemforanyapplication➢DCTestingupto110kV➢Optionsupto150kVand400kVFaultlocation

inallknowntechnologies➢ARMandICEupto50kV➢Decay110kV➢OptionalDecayMethodupto400kVFullyintegratedsafety

conceptComparablylowweightandvolumeLowpowerconsumptionR30themostpowerfulFaultLocationSystem(c)SebaKMT,allrightsre

serveddigiPHONE+SystemThedigiPHONE+Systemconsistsof:theReceivertheSensorandtheHeadset(c)SebaKMT,allrightsreserved

Carefulhandling,nightworkandfilteringishistorynow:TodaywehaveanewdefinitionofsilenceTheinnovationinfaultpin

pointingSeveralnew,innovativemethodsofthedigiPHONE+willensurethesilenceThetechnologythatletsyouhearthefault–onlythefault!Notraffic!Nohi

ghheels!Notalking!Nonoise!Youhearonlywhatyouwanttohear,•-“THE”Fault!Yourearswilllikeit!digiPHONE+System(c)SebaKM

T,allrightsreservedFeatures/Benefits➢Highestacousticqualityandexternalnoiseimmunity➢AutomaticVolumeMutewith„Ba

ngprotection“➢Bright,suncapabledisplay➢EasiestOperation➢Ergonomical,adjustabletelescopichandle➢DistancemeasurementinMillisecondsormeters➢Sele

ctablevolumelimitationto84dB(A)➢Easytracingwithleft–rightindication➢Faultdirectionindication➢Automaticadjustmentformagneticandaco

usticchannel➢WeatherproofIP65Sensor,betterIP54receiver➢Highgroundstabilityofthesensorupto45°➢New,highperformanceconnectors!(c)Seb

aKMT,allrightsreservedSensorAdjustablehandleExchangeabletipsActiveElektronic–theevaluationhappenscompletelyinthesensor!Housing:Dualsh

elldiecastingwithtelescopichandleSoftrubberrimsforacousticshieldingDimensions:Diameter230mm(attheouterlip)Heig

ht:140mmHandlelength:450…750mmWeight:SensormitTeleskopstabca.2kgDynamicrange:acousticchannel>110dBDynamicrange:magneticchannel>110

dBFrequencyrange:100...1500Hz4Filtersettings:OFF100…1500HzLowpass100…400HzBandpass300…500HzHighpass7

00…1500Hz(c)SebaKMT,allrightsreservedReceiverJogdialON/OFFManualMuteKeyThereceiverisonlyforthedisplayo

fthedatageneratedfromthesensorandthesignalprocessingofthesignalsfortheheadset.Dimensions(withrubberframe):65mmx225mmx100mm(H

xWxD)Weight:app.1kg(incl.Batteries)Supply:6piecesMignoncellsTypIECR6(Alkali-Mangan)Operationtime:@Mignoncellswith2500mAh

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

eencablesymbolbeneaththesensorsymbolinthecenterofthedigiPHONE+displayshowsthesidepositionofthesensorinrelationtothecabletrace.Thisensuresautoma

tically,thattheuserremainswiththesensordirectlyontopofthecable,whichmakesthefaultlocationmoreaccuratebutalsoeasier.Weakfaultaremuchfasterdetected

andlocated.Acrossmeasurementisnotrequired,sincethesystemispositionedautomaticallyintheY-axisontopofthecable(c)SebaKMT,allrig

htsreservedTheCompassThe„Compass“functionofthedigiPHONE+recognisesfromthedata,especiallyfromthedifferencetimemeasurement,iftheuserismovingtow

ardsthefault.Thisisindicatedbythearrowinthedisplay.TheuserfollowsthearrowandppoachesautomaticallythefaultpositionI

fthedigiPHONE+detectsanincreaseofthedifferencetime,itmeans,thattheuserhaspassedthefaultalready.Inthiscaseabentarrowindicatesthisandrequeststh

eusertomovebackward.Beforethefault:ThenewvalueislowerthantheolddifferencevalueAfterthefault:Thenewvalueishigherth

antheolddifferencevalue(c)SebaKMT,allrightsreservedMFM10(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreserved41ExamplefromGreece

42BadworkmanshipasstandardproblemMoreandmoreunitsareinstalledbyun-experiencedcheapservicecompaniesworldwide.→MFM-1

0SheathfaultlocatorrequiredExample(c)SebaKMT,allrightsreserved43MFM10(c)SebaKMT,allrightsreservedDieOptic

alappearance44➢Clearfrontendwithfewoperatingelelments➢AlsointhenewMFM10theeasygopriciplewithjogdialandaccordingopti

calfeedbackofthejogdialmotionisrealised➢Intuitiveeasiestoperationwithalargedisplay➢Lessconnectioncables➢SolidPelic

ase(c)SebaKMT,allrightsreserved45MFM10-Features➢Testvoltageupto10kVDC(bipolar!)➢Upto750mAcontinuouscurrentdrivi

ngcapability(dependingonoutputvoltage(30mAat10kV)→withincertainlimitsusefulasburnunit!➢Flickeraswellasignitionsoffaultsduringtestingare

recognizedanddisplayed➢Widerangemainssupply88to264V➢Faultlocatingusingthewellknownvoltagedropmethod→improvedaccuracyduetolow-

noisepreamplifier➢LoggingisdonebyEasyprot➢Easiest,menuguidedoperation➢ForprelocationtheMFM10checksforwrongconnectionsandi

nformstheoperatoraccordingly.➢EasyGorotaryknobsupplementedbyatouchscreen(c)SebaKMT,allrightsreservedTheHandling46➢Easy,menuguidedo

perationwithrotaryencoderandtouchscreen➢Weightreductionofmorethan30%comparedtotheMFM5-1bynewtechnologies➢Onlyonesin

gleHVconnectioncable,thepermitstesting,prelocationandpinpointingwithoutreconnecting➢Thetestofallconnectedte

stleadyavoidsfalsemeasurementsandacceleratesthecompleteprocedure➢Themonitoringduringthetest,especiallyduringthevoltagerampupphasedet

ectsshorttimevoltageorcurrentchanges,whichmightindicateafaultanddisplaystheseafterthetesttotheoperator.Bythisway,alsomultiplefaultscanbedetectedwith

outapermanentobservationofthedisplay..➢PelicasewithTrolleyforeasiesttransportability(c)SebaKMT,allrightsreservedTheoperationalspeed-Co

nclusion47➢Acompleteprelocationisjust15seconds➢Easiestoperationg➢OnlyoneHVconnectioncable➢Batteryoperation

foratleast2hoursAllofthesefeaturespermitaveryfasttestandmeasurementCablemanufacturersaremoreandmoreinterestedincheckingthequalityoftheircontra

ctorcompaniesdoingtheinstallationofthecables.→OurnewMFM-10isthedefinitelyagreattooltodothis.(c)SebaKMT,allrightsreserved48DataGeneralOutputvoltag

e±0…10kVDC,bipolartestandmeasurementOutputcurrent750mA@0,4kV,60mA@5kV,30mA@10kVDisplay5,7’’320x240;GraphicsLCD;LEDilluminationUserint

erfaceEasy-Gorotaryknob/pushbuttonandtouchscreenMainssupply88…264VAC,50…60Hz,<800VAIntegratedbatteryNIMH,ca.150Wh,batter

yoperationforallapplicationsExternalDCsupply12V...24VDCforbatterychargingandnonHV-operationOperatingconditions-25°C…+55°C;

93%rel.humidity(30°C,noncondensing)Dimensions500x457x305mmProtectionratingIP54(withclosedlid)Weightincl.Acc.~20kgSheathtestingResistanceY

esTransient/intermittentfaultdetectionYesBurningYesVoltageandcurrentlimitationYesTestprotocolYes,EasyProtviaUSBPrelocationMeasuringtechniqu

evoltagedropmethod(incl.directresistancemeasurement)Accuracy±0,1%;16bitresolution,atleast153µV/bitMeasuringsequenceAutomati

cmeasuringsequencewithouttheneedforbridgeadjustment;Definablecablesections50sectionsPinpointing0-10kVDCpulsedadjustabledutycycle4,8Hzfo

rusewithA-FramesAdjustablecurrentlimitYesIntegrateddischargingunitMax.capacityoftestobject10µFOutputvoltage(c)SebaKMT,allrightsreservedESGNT–

EarthfaultlocatorThenewESGNTReplacementoftheESG80AmodernMFM10requiresalsoamodernpinpointingtechnologyWiththenewESGNT,manyr

equirementsfromthefieldandsaleswererealized-Automaticzeroadjustment-Automaticdetectionofthepulserate-Ea

syhandlingwithoutpermanentadjustment-Highersensitivity-Lessmix-upbyclearcolorcodingEarthRods-Betterhandlin

g-Saferbyinsulatedconstruction-MoreforcefortheinsertionintothegroundTheeasymeasurementTargetwasmostcloseorientationonth

econventionalpointerinstrumentA.QuasianaloguedisplaywiththenormalconventionaldisplayB.HistoryDisplay,theresponse

ofupto7pulses(ca.15seconds)isdisplayedThemeasurementprocedure➢Asvoltagegradientsinducedbythecurrentflowingbackfromthefaultpositionexi

staroundtheearthingpointofthegenerator,themeasuremightbeelevated(pos.1)indicatesthedirectionofthefaultpositionatthispoint.➢Athalf-waypointbe

tweenthegeneratorandthefaultposition,thesignalstrengthreachesaminimum(pos.2)signalstrengthincreasesa

gain.➢Themaximumsignalstrengthismeasuredwhenoneoftheearthspikesisdirectlyabovethefault.➢Ifthefaultisexactlybetweenthetwoearthe

indicatorunitdoesnotdisplayareading.➢Ifthefaultpositionispassedby,thepolaritychanges(pos.5)indicatorunitpointstotheotherdirection.DisplayMess

bildschirmMenübildschirmeMeasuringDisplayMenueDisplayDisplayBargraphforactualValuedisplayactualValueZoomLevelActiveFunctionsBatteryStatusFeature

s➢Highersensitivity–Measuringrange0,01mV…200V➢Automaticadaptationtothevoltage➢Suppressionofexternaldisturbances(50/60Hz,16⅔Hz,100/120Hz)➢Elimina

tionofDCinfluences➢Automaticzeroadjustment➢Automaticdetectionofthepulserate➢Easierhandlingwithoutpermanentadjustment➢Mechanicallyst

rongandelectricallysafeconstructionoftheearthrods➢DisplayunitIP54TheEarthRodconceptCableholdersDividableR

odsIsolatedupperpartSolidtipsColorcodingUniqueSebaKMTdesignTheTransportcaseThevehiclemountingAsforthedigiPHONE+theESGNThasanownvehi

cleholder.Generally,weoffereitherthecaseorthevehicleholder.ThereisnoobjectiontoofferbothScopeofDeliveryEarthfaultprobeESGNT1xDisplayESG-

NT1183059332xEarthrodsESG-NT1183066921xTestlead2mred8100031811xTestlead2mblack8100031801xManualESGNT1xTransportBag118302978

1xInserttransportbagESG118306092AvailabilityAvailablefromMay2012Versions:ESGNTCombiunitwithdigiPHONE+62SebaKMT–Produc

trange4.VLF(VeryLowFrequency)CR(CosineRectangular)CableTestingsystems:➢Mostpowerfultestingapproach,inparticularfor(very)longcables➢W

aveformsimilarto50Hz–powerfrequency:Strongincreaseduringzero-crossing➢Fullyautomatic,easytousesystem➢Testmethodaccordingtointernationalsta

ndards(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–PortablesolutionsIVLFCR-28(899005936)4.6µF@28kV

7.0µF@18kV11.0µF@12kVVLFCR-40-B(899004500)2.2µF@40kV2.5µF@35kV5.0µF@18kVVLFCR-60-B(899007186)VLFCR-60-B-OFFS(890025374)0,8µF@60kV1,7µ

F@35kV3,0µF@18kVVLFCR-60-P(899007187)VLFverylowfrequencyCRCosineRectangleBBasisPPlus(symmetrical)PZPrüf-Zusatz(testaddon)CENCentri

xOFFSOffshore(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–PortablesolutionsIIVLFCR-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)CENCentrixOFFSOffshor

e(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–TestvansolutionsIVLFCR-54-P

Z-CEN1(890002585)VLFCR-54-PZ-CEN3(890003040)VLFCR-54-PZ-CLASSIC(893016159)VLFCR-54-PZ-R30(892473488)5,0µF@54

kV8,0µF@36kV21,0µF@18kVVLFCR-80-B(890012125)VLFCR-80-B-PZ-CEN(890012123)2,0µF@80kV(45kV)3,0µF@60kV(36kV)4,5µF@40kV4,8µF@36kV9,9µF@20kV(c)SebaKMT,all

rightsreservedProductsVLFCRtechnology–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(890012

124)VLFCR-80-P-PZ-CEN(890012122)2,5µF@80kV4,5µF@60kV7,0µF@40kV7,7µF@36kV14µF@20kV67ProductOverviewVLFSinus

technologyVLFSinus34kV:➢Testvoltage:34kV➢Testcapacity0,1Hz:0,6µF➢Testcapacity0,01Hz:3,5µF➢Testfrequency:0.1Hz(0.1Hz–0.01Hz)(automaticfr

equencyadaption)NOTE:TheVLFSinus34hasbeendesignedfortheIEEEmarketformaintenancetestingcablesupto25kV.68➢0,7

µF0.1Hz,30kVpeak(20kVRMS)➢5,0µF0.01Hz,30kVpeak(20kVRMS)➢Load-detectionRandC➢Breakdownrecognition➢Manualandautomaticf

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

ssIP20/IP67➢Robustcasing=PELI-Case1440withintegratedtrolley➢Option:tanDeltatestattachmentVLF-SinseriesTechnicaldeta

ils30(34)kV69VLF-SinseriesTechnicaldetails54kV•Testvoltage:54kV•Testcapacity0,1Hz:1µF•Testcapacity0,01Hz:5,0µF•Testfrequency:0.1Hz(0.1Hz–0

.01Hz)(automaticfrequencyadaption)-FirsttestvanshassuccessfullybeendeliveredtoEDFFrance,integratedinCentrix1and3-phase.VertriebstagungBaunach2009,(c

)SebaKMT2009,allrightsreserved.VLFTanDeltaSystemdescription/theoreticalexplanationsSebaKMT2012VLFTanDeltaTanDeltabas

ics➢AllMVandHVpowercableshaveahighvoltagelifeexpectancy;➢Duringthewholeservicelifetheyaresubjectedtothermal,electrical,mechanicalandenviro

nmentalstresses;➢Thesestresseswillchangethemorphologicalpropertiesoftheinsulation,sowillage/degradetheinsulationmateri

al;➢Resultisadecreaseofthebreakdown-strengthoftheinsulation;➢Decreaseoftheinsulationbreakdown-strengthwillintheendleadtocablefailure

s;➢Toavoidfailuresintheinsulationthemeasurementofthedielectriclossescouldbeahelpfultool.RCIICR1tan==VLFTanDeltaTanDeltabasicsUICIRIδDielectriclo

ssesaremainlydominatedbytheconductivelossesthatoccurintheinsulationmaterial,incaseofpaper-masscablesalsothepolarization-losseswillinfluenceth

edielectriclosses.TheDielectriclosses(TanDelta)canbecalculatedaccordingto:Visuallygivenby:Insimpleterms,the

insulationresistanceisinverselyproportionalwiththeTanDelta.(c)SebaKMT2009,allrightsreserved.VLFTanDeltaTanDeltabasicsThemostimportantagein

gphenomenonforPILCcablesisthedegradationofcellulose,whatbasicallymeansthatmoisturecomesfreefromthepaperinsulationbecauseofth

ermalandchemicalprocesses.Thismoisturecontentwilldecreasetheinsulationresistance,resultinginanincreaseinTanDelta.ItisclearthatwithPILCcablesexternal

wateringresswillalsoinfluencetheTanDelta!ForXLPEcablesthermalageingishardlymeasurablewiththeTanDeltamethod,theIRC-methodhoweveriscapableofdet

ectingthattypeofageing.ThefocusofTanDeltameasurementsonXLPEcablesisdetectingthepresenceofwatertrees.Watertreesarethemostimportantageingphe

nomenonforpolymercablesandcouldleadintoearlycablefaults!(c)SebaKMT2009,allrightsreserved.VLFTanDeltaFromwater-tre

etofailureE-FieldSheathfaultExistenceofwatertreesgrowingofelectricaltreesBreakdownofthecable(c)SebaKMT,allrightsreserved.VLFTanDeltaWate

rtrees–electricalequationsCRf=21tan=)(tan)(421UURRRRRRRisolationxisolationRCR1C1R2C2R3C3R4C4Watertreestan

.10-30123456700,511,522,53U/U00.1Hzdissipationfactorreferencecable(new)slightlyservice-aged(1)moderatelyservice-aged(2)moderatelys

ervice-aged(3)stronglyservice-aged(4)JICABLE,Versailles,June1995,paperB.9.6.VoltagedependenceoftheTanDelt

aofnewandserviceagedMVXLPEpowercables.ImportantfactorinthedecisionmakingprocessistheTan,alsocalledtip-up.VLFTanDeltaTanDeltabasicsVLFTanDeltaTan

DeltabasicsPDinElectricalPowerApparatus;ISBN3-8007-1760-3].VoltagedependenceoftheTanDeltaofapoorandwellimpregnatedPILCpowercables.Alsointhisc

aseinadditiontotheabsoluteTanDeltafactor,theTanortip-upisanimportantfactorinthedecisionmakingprocess.Incaseofpoor

lyimpregnatedPILCcablestheincreaseinTanDeltaisaresultofthedischargesintheinsulation.(c)SebaKMT,allrightsreserved.V

LFTanDeltaDecisionmakingXLPECablesTheleveloftheTanDeltacanbedistinguishedintothreecategories,insulationisingoodcondition,ins

ulationisagedortheinsulationishighlydegraded.Dependingonthiscategorydifferentmaintenanceactionsapply.XLPE(accordin

gtoIEEE4002001,Table2)TanDeltameasuredat0,1Hzsinusoidalat2U0.Cablemustalsobereplacedwhen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.Furtherdecisionc

riteriaareestablishedinthenorms:•IEC60502-2;cablesareingoodcondition,ifthetemperatureoftheconductoris5°C–10°Candthetan<0.8

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

eserved.VLFTanDeltaDifferencesbetweenhomo-polymerandco-polymerinsulation.TheIEEE4002001tableisbasedonex

perienceswithhomo-polymercables.Atthemomentbeingalmosteveryinsulationisbasedoncopolymercross-linkedPE.Whatwillbetheconsequencesconsideringt

heevaluationcriteria?Copolymerinsulationhasgotahigherdissipationfactorduetoitshighcontentofadditionalcompounds.Howeverthese

compoundsslowtheagingprocessoftheXLPEcables.graphform:M.Kuschel,W.Kalkner,„DielectricresponsemeasurementsintimeandfrequencydomainofdifferentX

LPEhomo-andcopolymerinsulatedmediumvoltagecables,“IEE,September1999SebaKMT2009,allrightsreserved.VLFTanDeltainfluencesofaccessoriesFurtherstudiesa

ndexperiencesdealtwiththeinfluencesonthedissipationfactorcausedbyaccessorieslikejoints/terminations.Thegraph

byBrown[1]depictstheinfluencestothelossfactorgivenbyhot-shrinkjoints.Thiseffectwasalsoproofedinfurtherindependentstudies[2].Skjø

lberg[3]showedthatjointswithresistivefieldcontrolhaveaparticularhighinfluenceonthedissipationfactor.[1]KentWBrown,„MVCableTestingwithVLF

atTVANuclear,“WGC18,April2005[2]EisemannD,„UntersuchungenzumdielektrischenVerhaltenvonMittelspannungs-kabe

lgarnituren,“VattenfallEurope,TU-Berlin,2008[3]SkjølbergJ.,„On-siteConditionAssessmentofXLPEPowerCableswithJoint

s,“SINTEFEnergyResearch,Norway(c)SebaKMT,allrightsreserved.VLFTanDeltaTanDeltadecisionmakingforXLPE/PEcables;Mostimportantcriteriafor

diagnosisistheΔtanδ.Thisparametergivesinformationabouttheagingofthecable.Itisindependentoftheinsulationcomposition,eitherhomo-orcopolymer.Ne

verthelesstheinfluencesgivenbyjointscouldnotbeneglected.→Thecomparisonofthecablesphasestoeachotherand

togetherwith„fingerprints“ofthecablephasesinhealthyconditionorformermeasurementsofthedissipationfactorg

ivethesecondcriteriaforagingdiagnosisviatanδ.Finallytheexperiencesoftheownerofthenetworkcouldalsogiveveryimportantinformationabouttheagingofthecable

s.(c)SebaKMT,allrightsreserved.LikedemonstratedatthegraphshowingthewellandbadimpregnatedPILCcablecouldbegenerallysaid:Tan(XLPE)<<Tan(PILC)

TheTanvalueofPILCcablesforwellimpregnatedcablesshouldbeintherangeof1·10-3-3·10-3and10·10-3±5·10-3forpoorimpregnatedPILCcables.TheΔ

Tanshouldnotexceed2·10-3.VLFTanDeltaTanDeltadecisionmakingforPILCcables;(c)SebaKMTallrightsreserved.Generallytakenthedielectriclosse

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

Tanshouldnotexceed1·10-3.VLFTanDeltaTanDeltadecisionmakingforEPRcables;graphfrom:KentWBrown,„MVCableTestingwithVLFatTVANuclear,“WGC18,April2

005VLFTanDeltaSEBAKMTVLFTanDeltameasurementsystemThetanDeltasystemcanbeoperatedasportableunit,orfromoutofatestvan.Dependingonthecombinationoft

hetanDeltawiththeVLFSinusSystem:-VLFSinus34-VLFSinus54ThemaximumtestvoltageofthetanDeltaSystemis62kVpeak.Porta

bleapplicationofthetanDeltasystemIntegratedapplicationofthetanDeltasystemVLFTanDelta,(c)SebaKMT2008,allrightsreserved.VLFTanDeltaSEBAKMTVLFTan

DeltameasurementsystemSebaKMTtanDeltaattachmentwithoutleakagecurrentcorrection20.07.202387DielectricalDiagnosisVLFTanDelta20.07

.202388VLFTanDeltaTest-setupforPILCcablesorXLPEcableswithclean/newterminations20.07.202389VLFTanDeltaTest-setupforXLPEcableswithpollutedor

oldterminations20.07.202390VLFTanDeltaExampleconnectionforcompensationterminationleakagecurrentGuardingbandmustb

esetupintherightpositionnearendfarend20.07.202391VLFTanDeltaUsersoftwareMeasurementscreenofthetrendfromtheTanDeltaa

sfunctionofthevoltage,foraprogrammedsequencewith4differentvoltagelevels,forphaseL1,L2andL3.Possibilitytocheckdifferencesbetweenphases.20.07.202392V

LFTanDeltaFeatures➢TanDeltaismeasuredonHV-potentialandthusindependentofsheathfaultsormultiple➢groundingsituations.MeasurementonPILCwit

hgroundedmetallicsheathisalsopossible.Alsononeedtodisconnectthescreens➢Frombothterminationstheleakagecurrentisguardedandsubt

racted,incaseoflowTanDeltavalues,fromthetotalcurrentwhichleadstoahighaccuracyoftheTanDelta.➢Plausibilitycheckofthevoltageisintegrate

dinthesoftware(softwarechecksifvoltagelevelatmeasurementunit,VLFunitandenteredvalueatcontrolunitareequal).➢TanDeltasystemisavailableasportable

unitorcanbeintegratedinameasurementvan.➢Optiontoprogramsequences,withupto6differentvoltagelevelsandadjustablemeasu

rementtimes.CombinationofVarioandVLFCR-60-25µFforConEdisonNewYorkin2002ProductoverviewVLFCRtechnologyTestvansolutions(c

)SebaKMT,allrightsreserved94ConnectionTechnologyVehicleinstallation(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreserved95Featuresandben

efitsoftheVLF60/25µFConEd–VLF60/25isauniquepropertestingsystemfor:➢MVcablesupto80km(1-ph.Testwith30kVcoppercabl

e)or➢MVcablesupto26km,(3-ph.testsimultaneously)➢Cableswithhighcapacitance,e.g.duetotheirlargediameter,…➢Cablesthatarebadlyaccessable➢Cableswhichhave

noredundanceNow10yearsofexperienceswithConEd–testsystems:➢10yearsofcomprehensivetestinghasreducedthefailurerateinthepowernetworkss

ignificantly➢FirstsystemworldwidefortestingonXLPE-andmixedcablesaccordingtointernationalstandards(c)SebaKM

T,allrightsreserved96HighlyecommendCommissioningTestProcedureToassuresafeoperationforatleast10–20yearswerecommendfol

lowingtestprocedureaftercommissiongprocess:(1)Insulationtest(Meggertest)(2)SheathtestwithMFM-10toanalyzeinstallationquality(3)VLFCosin

etest:3xU0for1houraccordingtointernationalstandards(4)PDtestingtolocalizefaultyjoints/terminations(OWTS)(5)Lateron,periodicalorperm

anentdiagnosiswillhelptofindweaklinksinthecables.(→Preventivemaintenance)