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TestInstruments&DiagnosisSystemsforKOREA2SebaKMT–ProductrangeSebaKMThasawiderangeofcablefaultlocation,test-anddiagnosistoolsandsystem,whichcoul

dbeofinterest:1.TDR(TimeDomainReflectometers):TeleflexVX-InstalledinatestvanOR-Portablesolution(c)SebaKMT

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

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

thjoints(c)SebaKMT,allrightsreservedTheTeleflexVXin19”FormatTeleflexVX,(c)SebaKMT2012,allrightsreserved6ProRangeTeleflexVX,(c)

SebaKMT2012,allrightsreserved7Distancedependingamplitudede-attenuationasknownfromourTelecomunits.Impor

tant:Thisisnotarampgain,butanexponentialde-attenuation!De-attenuation=offDe-attenuation=onCable:4x1k

m=4km;TypeRG58withopenendWithactivatedProRangefunction,theendistmuchbettervisibleAdjustabletracethick

nessTeleflexVX,(c)SebaKMT2012,allrightsreserved8Thesystemsbecomebetter,moreaccurateandhaveahigherresolutionProblem:Thetraceshowstooma

nydetailsandthesedetailscanbeconfusing.→Nowitispossibletoshowthetracewithathickerline,→Sameforprintin

g→Thetracethicknessisadjustablefrom1to9pixels.19”InstallationversionsTeleflexVX,(c)SebaKMT2012,allrightsreserved9118304460TeleflexVX-Clas

sicTeleflexVXin19“designassystemintegrationversionforClassicandothercomparablefaultlocationsystems.(FornewSystemsandretrofitofexistingsystems)Inc

lusiveadaptationsettotheClassicSystem15"SXGATFTDisplaywithCCFL-backlight,300cd/m²118308241TeleflexVX-R30TeleflexVXin19“designa

ssystemintegrationversionforR30andothercomparablefaultlocationsystems(FornewSystemsandretrofitofexistingsystems)Inclusiveadaptationsettoth

eR30System15"SXGATFTDisplaywithCCFL-backlight,300cd/m²TeleflexVXPortableTeleflexVX,(c)SebaKMT2012,allrightsreserved10118308242TFXVXPTeleflexVXP

portablewithcaseAsStandAloneVersionforthedirectreflectionmeasurementorascombinationwithotherfaultlocationequipment.15"SXGATFTDisplaywith

CCFL-backlight,300cd/m²Releasedate:Autumn2012DataParameterTeleflexMXTeleflexVXMeasuringrange@80m/µs50m…160km20m…1280kmPulseamplitudeNotadjustabl

emax.55VAdjustablefrom30…160V0,1mby80m/µs0,1m@80m/µs,1,0cm@V/2<40m/µs„Real“sampleRateUpto100MHzUpto400MHzGain-42dB…+54dB,-37…+37dBPulsewidth50

ns…5µs20ns…10µsCompensation25,4Ω…1,6kΩandoff=∞8Ω…2kΩandoff=∞ARMTriggerTriggerlevelinfoursteps,250mVto2VAutomaticbyΔU-T

rigger.DelaytimeNotadjustableAdjustablefrom0…7msin256µsStepsDistancedependingde-attenuationNotavailableProRange0…100%,max.22dB)ARMslideNotavailable1

5ARM-SlideMeasurementsinoneshotCloserangeresolutionSmalllimitationsOptimisedinputcircuitMemoryFlash256MBforDataandP

rogram2GBforProgrammand2GBforDataHighsafetybyseparatedhardware2GBinternalforrecoveryOperatingsystemLinuxKernel2.4LinuxKernel6.2InternalRecoveryNo

tavailableHighsafetybyRecoverysystemUSBV1.1V2.0ExternalcouplingviaISA-BUSviaEthernetDisplayStandard(analogue)17"TFTSXGA,CCFL-Backlight,3

00cd/m²KühlungCoolerfanforDisplayNocoolingfanrequiredRemoteDesktopf.OWTSAnbindungNotavailableAvailabl

eTracethickness1PixelTracethicknessadjustableTeleflexVX,(c)SebaKMT2012,allrightsreserved1112SebaKMT–Productrange

2.ComprehensiveFaultLocationSystems:➢EZGeneration➢Surgeflex–Portable,fullyautomaticfaultlocationsystem➢R30–Cablefaultlocationsystemu

pto400kV➢DigiphonePlus–Excellentsurgewavereceiverforacousticandelectromagneticfaultpinpointing➢MFM-10-SheathFaultLocationSystemTesting,P

relocationandPinpointingofsheathfaults➢ESGNT–Earthfaultlocator(c)SebaKMT,allrightsreservedThenew“EZ”GenerationTheE

ZGeneration13TheEZGeneration142ndGenerationEZ-RESTOREOVERDRIVE2ndGenerationEZ-THUMP2ndGenerationSMART-THUMPT3060IRG2000BaurKi

llerNewGenerationSURGEFLEXT3090T3050SuccessorSMARTE-TRAYOverwiewoftheE-TRAYProduktlineEasiestOperationandHandlingWiththedevelopment

ofthe“EZ”productline,SebaKMThasnowanewgenerationofportablefaultlocationsystem.ThemainfeaturesoftheseSystemsare:

-EasiestOperation-Automaticdisplayoffaultdistance-Brightcolordisplay-NoTDRknowledgerequired-Notrainingrequired-AutomaticEnddetection-All

inoneunitOneuniqueFrontEndforallSystems!15UniqueFeaturesWiththenew,centralcontrolofthe„E-Tray“theelectronicsforallthesesystemsareinon

esealed,independentenclosure.Onetrayservesall.Theuniquefeatureofthistrayisthelogicalprocess,whichwas

developedtodeterminetheconditionofthetestobjectandtodecideautomaticallywhichisthemostreasonableapproachtocontinue,andtoprovidees

sentialdetailstotheoperator.TheE-Trayconsistsofabrilliant,sunreadable,transflective5.7”colour,displayfordirectoutsideoperation,eveninver

ybrightSunlight.16TransformerandJointrecognitionOneoftheoptionalfeaturesoftheEZTrayistheautomaticdetectio

noftransformersorjoints.WiththeirknownpositionasaresultofGISordetailedrecordingitispossibletocorrelatethe

sepositionswiththegeographicallayouts,anddependingonthequalityanddetailsofthisknowledgetoisolatethefaultevenwithoutpinpointing.17Thepurpos

eofthisunitisnotthefaultlocation(pinpointing),butjusttodeterminethefaultysectionbetweentwotransformers

andtoisolateit.ModesofOperation:DCHipottestingPrelocationSurgeEnergy:500or1000JMax.Voltage:12kVWeight:only34kgSurgeSequence10SecondsSupply:12or120

/230VAutomaticTestSequenceAutomaticInterpretationanddetectionof:EndofCable“OPEN”or“SHORT”DistancetoFaultDetectionanddispla

yoftransformers18EZ-Restore™/Overdrive183ModesofOperation:DCHipottestingPrelocationPinpointingSurgeEnergy:500JMax.Voltage:12kVVersio

nMV4kVVersionLVSurgeSequence:10SecondsSupply:Batteryor120/230VAutomaticTestSequenceAutomaticInterpretationanddetec

tionof:EndofCable“OPEN”or“SHORT”DistancetoFaultWeightonly34kgEZ-THUMP™193ModesofOperationDCHipottesting5kVPreloc

ationARMandICEPinpointingSurgeEnergy1000JMax.Voltage2and4kVSurgeSequence10SecondsBatteryOperationor120/230VAutomaticTestSequenceAut

omaticInterpretationanddetectionofEndofCable“OPEN”or“SHORT”DistancetoFaultWeightonly110kg20Smart-THUMP™5kVSMART-THUMPTM5203ModesofOperati

on:DCHipottestingPrelocationARMandICEPinpointingSurgeEnergy:1150JMax.Voltage:7,5and15kVWeight:110kgSupply:InternalBatteryor120/230VAutomaticTestSe

quenceAutomaticInterpretationanddetectionofEndofCable“OPEN”or“SHORT”DistancetoFault21Smart-THUMP15SMART-THUM

PTM1521DCHipottestingupto16kVwithBreakdownrecognitionISOTesting20k…10MCurrentmeasurementPrelocationARMand

ICEPinpointingSheathtestingandpinpointingSurgeEnergy1500JMax.Voltage8and16kVIntegratedF-OhmSafetySystemSurgeSequence10Sec

ondsBatteryOperationor120/230VAutomaticTestSequenceAutomaticInterpretationanddetectionofEndofCable,OPEN,SHORT,D

istancetoFaultWeight140kg22ThenewSmart-THUMP1622DetailsSmartThump1623820021145,SmartThump16DetailsforSystemwithou

tBatteryandTruckmountVersionwillfollowSalesPrice:22.500€OfficialAvailabilityandMarketingasusualwiththePowerInfo

Mail!Versions24:ThereisnotonlythefullfeatureSystemWehavealwaystheoptionof:1.Portable2.PortablewithoutBa

tteryandInverterand3.TruckmountversionTheTruckMountVersionSystemwithoutBatteryandInverterEZ-andSMARTTHUMPoperationForamoredetailedd

emonstrationthereistheEZTraydemosoftwarewhichdemonstratesAndexplainsallversionsandfunctionalities.25Howistheinterpretationdone?Sim

plybyalogicalevaluation,basedoncommonfaultlocationknowledgeandexperience.Example:Openorinterrupt1.AutomaticHipotTESTNO

Flash-over2.AutomaticTDRReferenceTraceCableEnd“OPEN”3.AutomaticARM®TraceNOFlash-over4.Basedontheseresults,thesoftwareconcludesthatcable

mustbeeither“GOOD”orthatcablehas“burntintheclear”thereforeitissuggestedtotheoperatortoconfirmthisresultbya

testfromtheotherside,byshorteningtheotherend,orjusttoverifythelength!EZ-andSMARTTHUMPoperationbytheE-tray2627PortableFaultLocationSystem,consist

ingof:➢SurgeGeneratorSPG32with0...4/8/16/32kV,1750J,-->continiousduty➢DCTest,➢InternalARM®Filter,➢DecayandCurrentCoupler(ICE),➢PulsedSh

eathFaultMode0...5kV,➢ShortTermBurning(faultconditioning),➢TestVanmountedorruggedframewithwheels,➢ReflectometerTel

eflexT30-Ewith➢One-Button-Operation,➢OperatorGuidingSoftwareSurgeflex32with1750(3500)Joules(c)SebaKMT,allrightsreserved28HV-ModuleSPG32typicallyequi

ppedwithTDRTeleflexT30E(incl.DecayandImpulsecurrentmethod)DCTesting0...32kVDCSurging0…4kV;1200J0…8kV;1750J0...16kV;1750J0...32kV;1750J

Surgerate3...10s,SinglepulseBurning0...32kV;160mASheathfaultlocating0...5kV;160mAPhysicalDataofSystemConnectingcable6m(s

tandard)Mainssupply230V;50/60Hz,2kVADimensions(WxHxD)800x1280x800mmWeight135kgPortable(142kgincl.4kVOption)Surgef

lex32:TechnicalData(c)SebaKMT,allrightsreserved29•One-Button-Operation•10.4“VGAColourTFTHiBrite-FullySunrea

dableDisplay•QuickSteps®-ModewithautomaticTestProcedures•Step-by-StepEasyModeforOperatorGuidingSoftwarewithOnl

ine-Help•Expert-ModewithaccesstoallParameters•AutomaticFaultRecognitionandDistanceIndication•AutomaticCableEndRecognition•HighRe

solutionduetospecialPulseShape•Displayof3Traces(colorseparated)•ARM®-Mode•ImpulseCurrentMethod•DecayMethodTeleflexT30-E(c)SebaKMT,allri

ghtsreserved30Range10m…50km(TransientMethods20m…100km)Pulsewidth35nsto4µsSamplingrate200MHzAccuracy±0.1%ofrangeDisplay10.4“VGAcolourT

FTdisplayV/250m/µs...150m/µsModesDirectL1,L2ComparisonL1,L2,MemoryDifferenceL1,L2,MemoryARM®-ModeImpulseCurren

tMode,DecayModeMemory100TracesInterfaceUSBforPCandprinterOperatingtemperature-15°C...50°CDimensions(WxHxD)360x160x270mmSupplyInternalNiMhbattery,110

/250VWeight6kgTeleflexT30-E:TechnicalData(c)SebaKMT,allrightsreservedHVOperationfromonesingleunitonly(c)SebaKMT,allrightsreserved32

Faultlocationupto400kVR30theTestVansystemforanyapplication➢DCTestingupto110kV➢Optionsupto150kVand400kVFaultlocationinallknowntechnologies➢

ARMandICEupto50kV➢Decay110kV➢OptionalDecayMethodupto400kVFullyintegratedsafetyconceptComparablylowweightandvolumeLowpowerconsumptionR30them

ostpowerfulFaultLocationSystem(c)SebaKMT,allrightsreserveddigiPHONE+SystemThedigiPHONE+Systemconsistsof:theReceivertheSensorandtheHead

set(c)SebaKMT,allrightsreservedCarefulhandling,nightworkandfilteringishistorynow:TodaywehaveanewdefinitionofsilenceTheinnov

ationinfaultpinpointingSeveralnew,innovativemethodsofthedigiPHONE+willensurethesilenceThetechnologythatletsyouhearthefault–onlythefault!Notraf

fic!Nohighheels!Notalking!Nonoise!Youhearonlywhatyouwanttohear,•-“THE”Fault!Yourearswilllikeit!digiPHO

NE+System(c)SebaKMT,allrightsreservedFeatures/Benefits➢Highestacousticqualityandexternalnoiseimmunity➢AutomaticVolumeMu

tewith„Bangprotection“➢Bright,suncapabledisplay➢EasiestOperation➢Ergonomical,adjustabletelescopichandle➢

DistancemeasurementinMillisecondsormeters➢Selectablevolumelimitationto84dB(A)➢Easytracingwithleft–rightindication➢Faultdirectionindication➢Automatic

adjustmentformagneticandacousticchannel➢WeatherproofIP65Sensor,betterIP54receiver➢Highgroundstabilityofthe

sensorupto45°➢New,highperformanceconnectors!(c)SebaKMT,allrightsreservedSensorAdjustablehandleExchangeabletipsActiveElekt

ronic–theevaluationhappenscompletelyinthesensor!Housing:DualshelldiecastingwithtelescopichandleSoftrubberrimsforacousticsh

ieldingDimensions:Diameter230mm(attheouterlip)Height:140mmHandlelength:450…750mmWeight:SensormitTeleskopstabca.2kgDynamicrange:acousticc

hannel>110dBDynamicrange:magneticchannel>110dBFrequencyrange:100...1500Hz4Filtersettings:OFF100…1500HzLowpass100…400HzBa

ndpass300…500HzHighpass700…1500Hz(c)SebaKMT,allrightsreservedReceiverJogdialON/OFFManualMuteKeyThereceiverisonly

forthedisplayofthedatageneratedfromthesensorandthesignalprocessingofthesignalsfortheheadset.Dimensions(withrubbe

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

swith2500mAhcapacity:>10Std.Display:ColorTFT-320x240PixelAdjustmentSelectablelimitationto84dB(A),VolumeAkusticGain:>120dB(c)SebaKMT,allrights

reservedTracingAgreencablesymbolbeneaththesensorsymbolinthecenterofthedigiPHONE+displayshowsthesidepositionofthesensorinre

lationtothecabletrace.Thisensuresautomatically,thattheuserremainswiththesensordirectlyontopofthecable,whichma

kesthefaultlocationmoreaccuratebutalsoeasier.Weakfaultaremuchfasterdetectedandlocated.Acrossmeasuremen

tisnotrequired,sincethesystemispositionedautomaticallyintheY-axisontopofthecable(c)SebaKMT,allrightsreservedTheCompa

ssThe„Compass“functionofthedigiPHONE+recognisesfromthedata,especiallyfromthedifferencetimemeasurement,iftheuserismovingto

wardsthefault.Thisisindicatedbythearrowinthedisplay.TheuserfollowsthearrowandppoachesautomaticallythefaultpositionIfthedigiPHON

E+detectsanincreaseofthedifferencetime,itmeans,thattheuserhaspassedthefaultalready.Inthiscaseabentarrowindicate

sthisandrequeststheusertomovebackward.Beforethefault:ThenewvalueislowerthantheolddifferencevalueAfterthefault:Thenewvalu

eishigherthantheolddifferencevalue(c)SebaKMT,allrightsreservedMFM10(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreserved41ExamplefromGreece42B

adworkmanshipasstandardproblemMoreandmoreunitsareinstalledbyun-experiencedcheapservicecompaniesworldwide.→MFM-10SheathfaultlocatorrequiredExample

(c)SebaKMT,allrightsreserved43MFM10(c)SebaKMT,allrightsreservedDieOpticalappearance44➢Clearfrontendwith

fewoperatingelelments➢AlsointhenewMFM10theeasygopriciplewithjogdialandaccordingopticalfeedbackofthejogdialmoti

onisrealised➢Intuitiveeasiestoperationwithalargedisplay➢Lessconnectioncables➢SolidPelicase(c)SebaKMT,allrig

htsreserved45MFM10-Features➢Testvoltageupto10kVDC(bipolar!)➢Upto750mAcontinuouscurrentdrivingcapability(dependingonoutputv

oltage(30mAat10kV)→withincertainlimitsusefulasburnunit!➢Flickeraswellasignitionsoffaultsduringtestingarerecognized

anddisplayed➢Widerangemainssupply88to264V➢Faultlocatingusingthewellknownvoltagedropmethod→improvedaccuracyduetolow-n

oisepreamplifier➢LoggingisdonebyEasyprot➢Easiest,menuguidedoperation➢ForprelocationtheMFM10checksforwrongconnectionsandinformstheoperatoraccordingly

.➢EasyGorotaryknobsupplementedbyatouchscreen(c)SebaKMT,allrightsreservedTheHandling46➢Easy,menuguidedoperationwithrotar

yencoderandtouchscreen➢Weightreductionofmorethan30%comparedtotheMFM5-1bynewtechnologies➢OnlyonesingleHVconnection

cable,thepermitstesting,prelocationandpinpointingwithoutreconnecting➢Thetestofallconnectedtestleadyavoidsfalsemeasurementsandacceleratesthe

completeprocedure➢Themonitoringduringthetest,especiallyduringthevoltagerampupphasedetectsshorttimevoltageorcurrentchanges,whichmightindicateafaultan

ddisplaystheseafterthetesttotheoperator.Bythisway,alsomultiplefaultscanbedetectedwithoutapermanentobservationofthedisplay..➢PelicasewithTrolleyfore

asiesttransportability(c)SebaKMT,allrightsreservedTheoperationalspeed-Conclusion47➢Acompleteprelocationisjust15seconds➢Easiestoperationg➢

OnlyoneHVconnectioncable➢Batteryoperationforatleast2hoursAllofthesefeaturespermitaveryfasttestandmeasurementCablemanufacturersaremoreandmo

reinterestedincheckingthequalityoftheircontractorcompaniesdoingtheinstallationofthecables.→OurnewMFM-10isthedef

initelyagreattooltodothis.(c)SebaKMT,allrightsreserved48DataGeneralOutputvoltage±0…10kVDC,bipolartestandmeasurementOutputcurrent750mA@0,4k

V,60mA@5kV,30mA@10kVDisplay5,7’’320x240;GraphicsLCD;LEDilluminationUserinterfaceEasy-Gorotaryknob/pushbuttonandtouchscreenMainssupply88…264VAC,50…60H

z,<800VAIntegratedbatteryNIMH,ca.150Wh,batteryoperationforallapplicationsExternalDCsupply12V...24VDCforba

tterychargingandnonHV-operationOperatingconditions-25°C…+55°C;93%rel.humidity(30°C,noncondensing)Dimensions500x

457x305mmProtectionratingIP54(withclosedlid)Weightincl.Acc.~20kgSheathtestingResistanceYesTransient/intermittentfaultdetectionYesBurningYesVolt

ageandcurrentlimitationYesTestprotocolYes,EasyProtviaUSBPrelocationMeasuringtechniquevoltagedropmethod(incl.directresistancemeasu

rement)Accuracy±0,1%;16bitresolution,atleast153µV/bitMeasuringsequenceAutomaticmeasuringsequencewithouttheneedforbridgeadjustment;Definablecabl

esections50sectionsPinpointing0-10kVDCpulsedadjustabledutycycle4,8HzforusewithA-FramesAdjustablecurrentlimitYesIntegrateddischargingunitMax

.capacityoftestobject10µFOutputvoltage(c)SebaKMT,allrightsreservedESGNT–EarthfaultlocatorThenewESGNTReplacementoftheESG80AmodernMFM10require

salsoamodernpinpointingtechnologyWiththenewESGNT,manyrequirementsfromthefieldandsaleswererealized-Automaticzeroadjustment-Automaticd

etectionofthepulserate-Easyhandlingwithoutpermanentadjustment-Highersensitivity-Lessmix-upbyclearcolorcodingEarthRods-B

etterhandling-Saferbyinsulatedconstruction-MoreforcefortheinsertionintothegroundTheeasymeasurementTargetwasmos

tcloseorientationontheconventionalpointerinstrumentA.QuasianaloguedisplaywiththenormalconventionaldisplayB.HistoryDisplay

,theresponseofupto7pulses(ca.15seconds)isdisplayedThemeasurementprocedure➢Asvoltagegradientsinducedbythecurrentflowingbackfromthefaultpositionexista

roundtheearthingpointofthegenerator,themeasuremightbeelevated(pos.1)indicatesthedirectionofthefaultpositionatthispoint.➢A

thalf-waypointbetweenthegeneratorandthefaultposition,thesignalstrengthreachesaminimum(pos.2)signalstrengthincreas

esagain.➢Themaximumsignalstrengthismeasuredwhenoneoftheearthspikesisdirectlyabovethefault.➢Ifthefaultisexactlybetweenthetwoeartheindicatorunitdo

esnotdisplayareading.➢Ifthefaultpositionispassedby,thepolaritychanges(pos.5)indicatorunitpointstotheotherdirectio

n.DisplayMessbildschirmMenübildschirmeMeasuringDisplayMenueDisplayDisplayBargraphforactualValuedisplayactu

alValueZoomLevelActiveFunctionsBatteryStatusFeatures➢Highersensitivity–Measuringrange0,01mV…200V➢Automaticadaptationtothevoltage➢Suppressi

onofexternaldisturbances(50/60Hz,16⅔Hz,100/120Hz)➢EliminationofDCinfluences➢Automaticzeroadjustment➢Automaticde

tectionofthepulserate➢Easierhandlingwithoutpermanentadjustment➢Mechanicallystrongandelectricallysafeconstructionoftheearthrods➢DisplayunitIP54

TheEarthRodconceptCableholdersDividableRodsIsolatedupperpartSolidtipsColorcodingUniqueSebaKMTdesignTheTranspor

tcaseThevehiclemountingAsforthedigiPHONE+theESGNThasanownvehicleholder.Generally,weoffereitherthecaseorthevehicleholder.Thereis

noobjectiontoofferbothScopeofDeliveryEarthfaultprobeESGNT1xDisplayESG-NT1183059332xEarthrodsESG-NT1183066921xTestlead2mred81

00031811xTestlead2mblack8100031801xManualESGNT1xTransportBag1183029781xInserttransportbagESG118306092AvailabilityA

vailablefromMay2012Versions:ESGNTCombiunitwithdigiPHONE+62SebaKMT–Productrange4.VLF(VeryLowFrequency)CR(CosineRectangular)CableTestingsys

tems:➢Mostpowerfultestingapproach,inparticularfor(very)longcables➢Waveformsimilarto50Hz–powerfrequency:Strongincreaseduringzero-crossing➢Fullyauto

matic,easytousesystem➢Testmethodaccordingtointernationalstandards(c)SebaKMT,allrightsreserved(c)SebaKMT,a

llrightsreservedProductsVLFCRtechnology–PortablesolutionsIVLFCR-28(899005936)4.6µF@28kV7.0µF@18kV11.0µF@12kVVLFCR-40-B(899004

500)2.2µF@40kV2.5µF@35kV5.0µF@18kVVLFCR-60-B(899007186)VLFCR-60-B-OFFS(890025374)0,8µF@60kV1,7µF@35kV3,

0µF@18kVVLFCR-60-P(899007187)VLFverylowfrequencyCRCosineRectangleBBasisPPlus(symmetrical)PZPrüf-Zusatz(testadd

on)CENCentrixOFFSOffshore(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–Portabl

esolutionsIIVLFCR-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)CENCe

ntrixOFFSOffshore(groutedHVoutputline)(c)SebaKMT,allrightsreservedProductsVLFCRtechnology–TestvansolutionsIVLFCR-54-PZ-CEN1(8

90002585)VLFCR-54-PZ-CEN3(890003040)VLFCR-54-PZ-CLASSIC(893016159)VLFCR-54-PZ-R30(892473488)5,0µF@54kV8,0µF@36kV21,0µF@1

8kVVLFCR-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,allri

ghtsreservedProductsVLFCRtechnology–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@80

kV4,5µF@60kV7,0µF@40kV7,7µF@36kV14µF@20kV67ProductOverviewVLFSinustechnologyVLFSinus34kV:➢Testvoltage:34k

V➢Testcapacity0,1Hz:0,6µF➢Testcapacity0,01Hz:3,5µF➢Testfrequency:0.1Hz(0.1Hz–0.01Hz)(automaticfrequencyadaption)NOTE:TheVLFSinus34hasbeen

designedfortheIEEEmarketformaintenancetestingcablesupto25kV.68➢0,7µF0.1Hz,30kVpeak(20kVRMS)➢5,0µF0.01Hz,30kVpeak(20kVRMS)➢Load-detectionRan

dC➢Breakdownrecognition➢Manualandautomaticfrequency-adaption➢F-Ohm➢Testmodes:Sinus,DC+,DC-,rectangularwave,pulsedDCvoltageforsheath-faultlo

cating.➢ProtocollingandupdateviaUSB➢ProtectionclassIP20/IP67➢Robustcasing=PELI-Case1440withintegratedtrolley➢Option:tanDeltate

stattachmentVLF-SinseriesTechnicaldetails30(34)kV69VLF-SinseriesTechnicaldetails54kV•Testvoltage:54kV•Testcapacity0,1Hz:1µ

F•Testcapacity0,01Hz:5,0µF•Testfrequency:0.1Hz(0.1Hz–0.01Hz)(automaticfrequencyadaption)-Firsttestvanshassuccessf

ullybeendeliveredtoEDFFrance,integratedinCentrix1and3-phase.VertriebstagungBaunach2009,(c)SebaKMT2009,allrightsreser

ved.VLFTanDeltaSystemdescription/theoreticalexplanationsSebaKMT2012VLFTanDeltaTanDeltabasics➢AllMVandHVpowercableshave

ahighvoltagelifeexpectancy;➢Duringthewholeservicelifetheyaresubjectedtothermal,electrical,mechanicalanden

vironmentalstresses;➢Thesestresseswillchangethemorphologicalpropertiesoftheinsulation,sowillage/degradetheins

ulationmaterial;➢Resultisadecreaseofthebreakdown-strengthoftheinsulation;➢Decreaseoftheinsulationbreakdown-strengthwillintheendleadtocabl

efailures;➢Toavoidfailuresintheinsulationthemeasurementofthedielectriclossescouldbeahelpfultool.RCIICR1tan==VLFTanDeltaTanDeltabasicsUICI

RIδDielectriclossesaremainlydominatedbytheconductivelossesthatoccurintheinsulationmaterial,incaseofpaper-masscabl

esalsothepolarization-losseswillinfluencethedielectriclosses.TheDielectriclosses(TanDelta)canbecalculatedacc

ordingto:Visuallygivenby:Insimpleterms,theinsulationresistanceisinverselyproportionalwiththeTanDelta.(c)SebaKMT2009,allrightsr

eserved.VLFTanDeltaTanDeltabasicsThemostimportantageingphenomenonforPILCcablesisthedegradationofcellulose,whatbasicallymeansthatmoisture

comesfreefromthepaperinsulationbecauseofthermalandchemicalprocesses.Thismoisturecontentwilldecreasetheinsulationresistance,resultinginan

increaseinTanDelta.ItisclearthatwithPILCcablesexternalwateringresswillalsoinfluencetheTanDelta!ForXLPEcablesthermalageingishardlymeasurablewiththe

TanDeltamethod,theIRC-methodhoweveriscapableofdetectingthattypeofageing.ThefocusofTanDeltameasurementsonXLPEcables

isdetectingthepresenceofwatertrees.Watertreesarethemostimportantageingphenomenonforpolymercablesandcouldleadintoearlycablefaults!(c)SebaKMT2009,allr

ightsreserved.VLFTanDeltaFromwater-treetofailureE-FieldSheathfaultExistenceofwatertreesgrowingofelectricaltreesBreakdownofthecable(c)Se

baKMT,allrightsreserved.VLFTanDeltaWatertrees–electricalequationsCRf=21tan=)(tan)(421UURRRRRRRiso

lationxisolationRCR1C1R2C2R3C3R4C4Watertreestan.10-30123456700,511,522,53U/U00.1Hzdissipationfactorreferencecable(new)slightlyservice-aged(1

)moderatelyservice-aged(2)moderatelyservice-aged(3)stronglyservice-aged(4)JICABLE,Versailles,June1995,paperB.9

.6.VoltagedependenceoftheTanDeltaofnewandserviceagedMVXLPEpowercables.ImportantfactorinthedecisionmakingprocessistheTan,alsocalledtip-up.VLFT

anDeltaTanDeltabasicsVLFTanDeltaTanDeltabasicsPDinElectricalPowerApparatus;ISBN3-8007-1760-3].Voltagedepende

nceoftheTanDeltaofapoorandwellimpregnatedPILCpowercables.AlsointhiscaseinadditiontotheabsoluteTanDeltafactor,theTanortip-upisanimpor

tantfactorinthedecisionmakingprocess.IncaseofpoorlyimpregnatedPILCcablestheincreaseinTanDeltaisaresultofthedischargesintheinsulation.(c)S

ebaKMT,allrightsreserved.VLFTanDeltaDecisionmakingXLPECablesTheleveloftheTanDeltacanbedistinguishedint

othreecategories,insulationisingoodcondition,insulationisagedortheinsulationishighlydegraded.Dependingonthiscategory

differentmaintenanceactionsapply.XLPE(accordingtoIEEE4002001,Table2)TanDeltameasuredat0,1Hzsinusoidalat2U0.CablemustalsobereplacedwhenTan

between1U0and2U0isbiggerthen1·10-3(alternativecalculatetheTanbetween0.5U0and1.5U0)TanDeltaat2U0AssessmentRepetitionrateTan≤1.2·10-3G

ood5years2.2·10-3>Tan>1.2·10-3AgedAnnuallyTan≥2.2·10-3HighlydegradedReplacement(c)SebaKMT2009,allrightsreserved

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

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

(c)SebaKMT,allrightsreserved.VLFTanDeltaDifferencesbetweenhomo-polymerandco-polymerinsulation.TheIEEE4002001tableis

basedonexperienceswithhomo-polymercables.Atthemomentbeingalmosteveryinsulationisbasedoncopolymercross-linkedPE.W

hatwillbetheconsequencesconsideringtheevaluationcriteria?Copolymerinsulationhasgotahigherdissipationfact

orduetoitshighcontentofadditionalcompounds.HoweverthesecompoundsslowtheagingprocessoftheXLPEcables.graphform:M.Kuschel,W.Kalkner,„Dielectricresponsem

easurementsintimeandfrequencydomainofdifferentXLPEhomo-andcopolymerinsulatedmediumvoltagecables,“IEE,September1999SebaKMT2009,allri

ghtsreserved.VLFTanDeltainfluencesofaccessoriesFurtherstudiesandexperiencesdealtwiththeinfluencesonthedissipationfactorcausedbyaccessorie

slikejoints/terminations.ThegraphbyBrown[1]depictstheinfluencestothelossfactorgivenbyhot-shrinkjoints.Thisef

fectwasalsoproofedinfurtherindependentstudies[2].Skjølberg[3]showedthatjointswithresistivefieldcontrolhaveaparticularhighinfluenceonthe

dissipationfactor.[1]KentWBrown,„MVCableTestingwithVLFatTVANuclear,“WGC18,April2005[2]EisemannD,„UntersuchungenzumdielektrischenV

erhaltenvonMittelspannungs-kabelgarnituren,“VattenfallEurope,TU-Berlin,2008[3]SkjølbergJ.,„On-siteConditionAssessmentofXLPEPowerCableswithJoints,“SI

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

eΔtanδ.Thisparametergivesinformationabouttheagingofthecable.Itisindependentoftheinsulationcomposition,eitherhomo-orcopolymer.Neverthelesstheinf

luencesgivenbyjointscouldnotbeneglected.→Thecomparisonofthecablesphasestoeachotherandtogetherwith„fingerprin

ts“ofthecablephasesinhealthyconditionorformermeasurementsofthedissipationfactorgivethesecondcriteriaforagingdiagnosisviatanδ.Finallytheexperiencesof

theownerofthenetworkcouldalsogiveveryimportantinformationabouttheagingofthecables.(c)SebaKMT,allrightsreserved.Likedemonstratedatthegra

phshowingthewellandbadimpregnatedPILCcablecouldbegenerallysaid:Tan(XLPE)<<Tan(PILC)TheTanvalueofPILCcablesf

orwellimpregnatedcablesshouldbeintherangeof1·10-3-3·10-3and10·10-3±5·10-3forpoorimpregnatedPILCcables.TheΔTanshouldnotexceed2·10

-3.VLFTanDeltaTanDeltadecisionmakingforPILCcables;(c)SebaKMTallrightsreserved.GenerallytakenthedielectriclossesofXLPE/PE,EPRanPILCareorde

redlike:Tan(XLPE)<Tan(EPR)<Tan(PILC)TheTanvalueofEPRcablesisgiveninarangeof0.5·10-3-2·10-3TheΔTanshouldnotexceed1·

10-3.VLFTanDeltaTanDeltadecisionmakingforEPRcables;graphfrom:KentWBrown,„MVCableTestingwithVLFatTVANuclear,“WGC18,April2005VLFTanDeltaSEBAKMTVLFT

anDeltameasurementsystemThetanDeltasystemcanbeoperatedasportableunit,orfromoutofatestvan.DependingonthecombinationofthetanDeltaw

iththeVLFSinusSystem:-VLFSinus34-VLFSinus54ThemaximumtestvoltageofthetanDeltaSystemis62kVpeak.PortableapplicationofthetanDeltas

ystemIntegratedapplicationofthetanDeltasystemVLFTanDelta,(c)SebaKMT2008,allrightsreserved.VLFTanDeltaSEBAKMTVLFTanDelta

measurementsystemSebaKMTtanDeltaattachmentwithoutleakagecurrentcorrection20.07.202387DielectricalDiagnosisVLF

TanDelta20.07.202388VLFTanDeltaTest-setupforPILCcablesorXLPEcableswithclean/newterminations20.07.202389VLFTanDel

taTest-setupforXLPEcableswithpollutedoroldterminations20.07.202390VLFTanDeltaExampleconnectionforcompensationterminat

ionleakagecurrentGuardingbandmustbesetupintherightpositionnearendfarend20.07.202391VLFTanDeltaUsersoftwareMeasurement

screenofthetrendfromtheTanDeltaasfunctionofthevoltage,foraprogrammedsequencewith4differentvoltagelevels,forphaseL1,L2andL3.Possibilitytochec

kdifferencesbetweenphases.20.07.202392VLFTanDeltaFeatures➢TanDeltaismeasuredonHV-potentialandthusindepende

ntofsheathfaultsormultiple➢groundingsituations.MeasurementonPILCwithgroundedmetallicsheathisalsopossible.Alson

oneedtodisconnectthescreens➢Frombothterminationstheleakagecurrentisguardedandsubtracted,incaseoflowTanDeltavalues,fromthetotalcurrentw

hichleadstoahighaccuracyoftheTanDelta.➢Plausibilitycheckofthevoltageisintegratedinthesoftware(softwarechecksif

voltagelevelatmeasurementunit,VLFunitandenteredvalueatcontrolunitareequal).➢TanDeltasystemisavailableasportableunitorcan

beintegratedinameasurementvan.➢Optiontoprogramsequences,withupto6differentvoltagelevelsandadjustablemeasurementtimes.CombinationofV

arioandVLFCR-60-25µFforConEdisonNewYorkin2002ProductoverviewVLFCRtechnologyTestvansolutions(c)SebaKMT,allrightsreserved94ConnectionTechno

logyVehicleinstallation(c)SebaKMT,allrightsreserved(c)SebaKMT,allrightsreserved95FeaturesandbenefitsoftheVLF60/25µFConEd–VLF60/25isauniqueproperte

stingsystemfor:➢MVcablesupto80km(1-ph.Testwith30kVcoppercable)or➢MVcablesupto26km,(3-ph.testsimultaneously)➢Cableswithhighcapacitance,e.g.duetot

heirlargediameter,…➢Cablesthatarebadlyaccessable➢CableswhichhavenoredundanceNow10yearsofexperienceswithConEd–testsy

stems:➢10yearsofcomprehensivetestinghasreducedthefailurerateinthepowernetworkssignificantly➢Firstsystemworldwide

fortestingonXLPE-andmixedcablesaccordingtointernationalstandards(c)SebaKMT,allrightsreserved96HighlyecommendCommissioningTestProcedureToas

suresafeoperationforatleast10–20yearswerecommendfollowingtestprocedureaftercommissiongprocess:(1)Insulationtest(Meggertest)(2)SheathtestwithMFM-10toa

nalyzeinstallationquality(3)VLFCosinetest:3xU0for1houraccordingtointernationalstandards(4)PDtestingtolocal

izefaultyjoints/terminations(OWTS)(5)Lateron,periodicalorpermanentdiagnosiswillhelptofindweaklinksinthecables.(→Preventivemain

tenance)