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20052Vol.20No.2202TRANSACTIONSOFCHINAELECTROTECHNICALSOCIETYFeb.2005610031TM835TheActualityandPerspectiveofPartialDischargeDetectionTechniquesGuoJunWuGuangningZhangXueqinShuWenSouthwestJiaotongUniversityChengdu610031ChinaAbstractAsincreasingvoltagegradeofpowerelectricalequipment,itismuchmorerigorousforthereliabilityoftheseequipment.Partialdischarge(PD)detection,asoneofthenon-destructivetesting,hasbeenpaidmoreandmoreattention.ThepapergivesareviewonthePDdetectiontechnique,introducesthemostpopularmethodofPDdetection,andgivesaforecastforthefuturedevelopmentofPDtest.KeywordsPartialdischarge,pulsecurrent,UHF,highvoltagecontinuespulses,DC1,[1][2]1777LichtenbergGottingen11Fig.1Dustfiguresproducedbysurfacedischargesunderpositive(left)andnegativepolarity(right)1873Maxwell1896Maxwell50377035,10476022910602004-09-022004-12-203020052191919241925SchwaigerRIV1928LloydStarrDakinMalinaric1960[3][4]22.110ns1μsMaxwell2080S.A.BoggsG.C.Stone[5]2.1.1IECIEC-270HaefelyTE571JFD-220032TWUM-840MVA/550kV3.5pC33.5pC[12]2.1.2RIV1925SchwargerRogowskiRogowski2080Wilson1996ZL97242089.4[9]-[10]RIVRogowski1~30MHz2.1.3UHF20801MHz1982BoggsStone202311GHzGIS[5]21GHz[5]Fig.2OscilloscopicrecordsofPDpulsesfromtrees(left)andfloatingparticles(right)usingUHFdetectionupto1GHz[5]500MHzMHzMHzGHz1980KurtzGISH.G.Sedding1991statorslotcoupler[15]2.1.4DLAtgdtgdΔtgdΔtgdDLADLADLARogowskiGIS2.22.2.1MHzcondensermicrophoneelectretsmicrophone3220052dynamicmicrophonehydrophoneaccelerometeracousticemission-[17]2.2.2-GIS[18]BlackBurn[19]2.2.3GISGISSF6SOF2SO2F2[20]DGA33.1μFS.A.BoggsR.G.Bommakanti1000CpCCF20233FFT010tms-150-100-50050100150VmVa010tms-150-100-50050100150VmVb83Fig.3PDsignalsbeforeandafterfilter1μF1pC20pC3.22090PWMK.MullerPWMPWMPWM1~26~72090PWMG.Coletti4PWMHitoshiOkuboNaokiHayakawa4Fig.4PDdetectioncircuitundersquarewavepowerPWMU5LCR34200525.00mVCh25.00VM100μsCh24.2V19AcqsTekStop:500kS/s23Ch35PWMU10kHzPWM-4kVFig.5PDsignalsofU-sampleunderpeak-to-peak4kVPWMpowersourse10~1002~34(1)(2)(3)(4)1IEC-2702..20013DakinTW,MalinaricPJ.Acapacitivebridgemethodformeasuringintegratedcorona-chargetransferandpowerlosspercycle.TransAIEEPAS,1960,79:6486534IzekiN,TatsutaF.Threetypesofpartialdischargesinelectricalinsulation.Conf.RecordonIEEEIntern.Symp.inEl.Ins.,Montreal1984:3273315BoggsSA,StoneC.Fundamentallimitationsinthemeasurementofcoronaandpartiadischarge.IEEETrans.onEI1982,17(2):1431506DakinTW,MalinaricPJ.Acapacitivebridgemethodformeasuringintegratedcorona-chargetransferandpowerlosspercycle.TransAIEEPAS1960,79:6486537IzekiN,TatsutaF.Threetypesofpartialdischargesinelectricalinsulation.Conf.RecordonIEEEIntern.Symp.inEl.Ins.,Montreal,1984:3273318LemkeE.Anewpartialdischargemeasuringprocedurebasedontheevaluationofthecumulativecharge.Conf.onPDinElectricalInsulationBangalore/India,1976:12291996,30(6)81410,..200331411.GCB.B1998118666667012.2TWUM-840MVA/550kV.20039242613.20235.2003299121414BoggsSA.Partialdischarge:Overviewandsingalgeneration.IEEEElectricalInsulationMagazine,1990,6(4):333915SeddingHG,CambellRS,StoneGC,etal.IEEETrans.onEnergyConversions,1991,6(4):70070616LundgaardLE.Partialdischarge-XIV:Acousticpartialdischargedetection-practicalapplication.IEEEElectricalInsulationMagazine,1992,8(5):344317LundgaardLE.Partialdischarge-XIII:Acousticpartialdischargedetection-fundamentalconsiderations.IEEEElectricalInsulationMagazine19928(4)2531.18GosgraveJA,MurphyMM.Acousticmonitoringofpartialdischargesingasinsulatedsubstationsusingopticalsensors.IEEProc.A.140,(5)36937419BlackBurnTR,JamesRE.Opticalfibresensorforpartialdischargedetectionandlocationinhighvoltagepowertransformers.Proc.IEE6thInt.Conf.OnDiel.Mat.Meas.,andAppl.,1992:333620ChuFY.SF6decompositioningasinsulatedequipment.IEEETrans.onEI,1986,2169372621SamatJ.InterpretationofDGAdataanditsuseinthedetectionofmalfunctions.IEEColloquiumonAssessmentofDegradationWithinTransformerInsulationSystems,1991,6:3/1-3/422KempIJ.Partialdischargeplant-monitoringtechnology:Presentandfuturedevelopments.IEEProc.-Sci.Meas.Technol.,1995,142(1):41023.GIS.1995232454824..2001,(2)525725..20023924626..20012743527..20012766828BoggsSA,BommakantiRG.OptimumelectricalPDtestmethodforlargecapacitors.IEEETransactiononElectricalInsulation,1991,26(3):47948629..19992141730..19986172031..2003192003:1488149032..2003:17317633ZhangXueqin,WuGuangning.CapabilityevaluatingofhighenergydensitystoragecapacitorthroughDCpartialdischargemeasurement.ProceedingsoftheICSD2004,2004:75575834ColettiG,TorelloE.Influenceofdifferentsquarevoltagewaveformsonthepartialdischargesbehaviourduringtestsontwistedpairspecimens.ConferenceRecordofthe2002IEEEInternationalSymposiumonElectricalInsulation,2002:363935HitoshiOkubo,NaokiHayakawa.Partialdischargecharacteristicsofinverter-fedmotorcoilsamplesunderacandsurgevoltageconditions.2003AnnualReportConferenceonElectricalInsulationandDielectricPhenomena,2003:58959236GuoJun,ShuWen,WuGuangning.Newtoolstodeterminethepartialdischargesofinverterfedmotor.ProceedingsoftheICSD2004,2004:86887137ShuWen,GuoJun,WuGuangning.Studyonmechanismandcharacteristicsofdielectric