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,,(,710048):,。,、、—。,,,。:;;;On-lineMonitoringTechnologyofMechanicalPropertiesandStateEvaluationMethodforIntelligentCircuitBreakerHUANGXinbo,TAOChen,LIUBin(Xi’anPolytechnicUniversity,Xi’an710048,China)Abstract:Inordertoimprovetheoperationsafetyandreliabilityofintelligentcircuitbreaker,thispaperfirstintroduceanewtypeofintelligentcircuitbreakermechanicalpropertieson-linemonitoringandstateevaluationtechnologyofworkingarchitecture.Andthenconcreteanalysisandillustratestheprincipleofon-linemonitoringwhichisrelatedtointelligentcircuitbreakermechanicalproperties,suchasclosingcoilcurrentandtheenergystorageelectriccurrent,dynamiccontacttravel-timecharacteristicandtheauxiliarycontactsandsoon.Next,thispaperprovidesaneffectiveintelligentcircuitbreakerstateevaluationmethod,whichcangetequipmentfailureinformationfromthemonitoringdataandwaveformanalysis,andthecollecteddatacanmakethecorrespondingfaultdiagnosis,andimprovethesafetyandreliabilityoftheintelligentcircuitbreakeroperation.Keywords:intelligentcircuitbreaker;mechanicalproperties;on-linemonitoring;stateevaluation0,,。,。,,,,[1],,。,,,。,—。1“”,、、,。,(:2014-11-21;:2014-12-14513:0129-01342015316HighVoltageApparatusVol.51,No.3:0129-0134Mar.16,2015DOI:10.13296/j.1001-1609.hva.2015.03.02222222222222222222222201535131Fig.1Thestructureofintelligentcircuitbreakeronlinemonitoringsystem2Fig.2Typicalpointsswitchingcurrentwaveform)[2-4]。,IEC61850(PMS)。“”,1。,,,,。,CANIED,,—,,IED[2]。22.1,,、,,、、,(),[5-6]。2。t0-t1,,。,;t1-t2,。,,,。,。、;t2-t3,,;t4-t5,,,[7-9]。130··2.2,,。,,,、。3。T1,,;T2,,,T2;T3,,,[10]。2.3、,,——[11]。。(5020)。,,90°A、B,A、B,。4,,,。2.4,。,,,,,、。,,。,,,,。,,“1”,,“0”,,。2.5,,,。,。,。,。(1)[12-13]x2(i)=Med[x(0)]~x(2i)0≤i≤k-1Med[x(i-k)~x(i+k)]k≤i≤N-k-1Med[x(2i-N+1)~x(N-1)]N-k≤i≤N-1≤≤≤≤≤。(1)(1):Med(x)x。5,5,5212.96mm。6。3—3Fig.3Energy-storagemotorcurrentsignalwaveform4Fig.4Traveltimecharacteristics,,.131··20153513,(SVM)[14]:1:K=(U,C∪D,V,f),U={x1,x2,x3,…,xn},;C∪D,CV=∪V坠(坌坠∈C∪D),D,C={α|α∈C},D={d|d∈D};V=f,V坠;DU{x1,x2,…,xl},xi={y∈U:fa(y,D)=i},i=1,2,…,l。2:T={(x1,y1),(x2,y2),…,(xl,yl)}∈(X,Y)l,,xi∈X∈RP,yi∈Y={-1,1},i=1…l;f(x)=x·w+b*。ω*=li=1Σyiα*ixif(x)=x·w+b*,α*、b*,,:f(x)=sgn[li=1Σα*iyiK(x·xi)+b*],K(xi·x)[15]。,7。[16-17]:1),,。2),,,,,,,,。3),,,,,。4)。5)。—,,。44.1ZN63A-12,、。8。9。1。7—Fig.7Themodelofroughset-supportvectormachine(SVM)8Fig.8Thedrawingofintelligentcircuitbreakertestinstallation6Fig.6Thecomparisonunderthesamecoordinatesystemcontactcurveswithnoiseandfiltering5Fig.5Displacementdatawithnoiseandfilterprocessing132··—,,,,,,[18]。4.2220V。10。10、、。,,,[19]。,—,11[20]。、、。、,[21]。5,、、、,:10Fig.10Thedrawingofsiteinstallation11、Fig.11Currentandclosemonitoringofwaveformandwaveformstoragemotorcircuitbreaker9Fig.9Thefigureofintelligentcircuitbreakeron-linemonitoringdevicetestingwaveform1Table1Circuitbreakerclosingmechanicalcharacteristicparameterscalculatedvalue/ms/(m·s-1)/(m·s-1)/mm/mm/mm/ms/(m·s-1)/(m·s-1)/mm/mm/mm19.323.785.98213.00195.4717.5573.604.583.65213.00195.8017.23,,.133··201535131),,、、、。2)—、、,。—,,。:[1].[M].:,2010.HUANGXinbo.Substationequipmenton-linemonitoringandfaultdiagnosis[M].Beijing:ChinaElectricPowerPress,2010.[2],,,.IED[J].,2011(3):17-18.HUANGXinbo,WANGXiaokuan,FANGShouxian,etal.Thedesignofintelligentsubstationcircuitbreakercondi-tionmonitoringIED[J].AutomationofElectricPowerSys-tems,2011(3):17-18.[3],,.[J].,2007,241(4):26-31.CHENGang,SUNBo,WANGErzhi.Vacuumcircuitbreak-erspringoperatingmechanismintheconnectingrodmechanismoftoleranceoptimization[J].HighVoltageAp-paratus,2007,241(4):26-31.[4]SUS,LIKK,CHANWL,etal.Apracticalcircuitbreakermonitoringsystem[C]//IEEETransactionsonPowerDeliv-ery.[S.l.]:IEEE,2005:867-872.[5]KEZUNOVICM.Automatedcircuitbreakermontioningandanalysis[J].PowerEngineeringSocetySummerMeeting,2002(1):559-564.[6].[D].:,2010.LIPeng.Thedesignandimplementationofapermanentmagnetvacuumcircuitbreakerintelligentcontroller[D].Beijing:BeijingJiaotongUniversity,2010.[7].[D].:,2007.YANShibo.Monitoringinstrumentonlineofthevacuumcircuitbreakermechanicalproperties[D].Shenyang:ShenyangUniversityofTechnology,2007.[8],.[J].,2012,28(12):38-41.PENGBo,XIAODengming.Onlinemonitoringofthebreak-er’selectricallife[J].PowerSystemandCleanEnergy,2012,28(12):38-41.[9].[D].:,2007.FENGZhenhua.Thesupportvectormachine(SVM)basedonfractaltheoryofmechanicalequipmentfaultdiagnosis[D].Taiyuan:TaiyuanUniversityofTechnology,2007.[10],,,.SVM[J].,2011,47(3):26-30.YUANJinli,LIKui,GUOZhitao,etal.BasedontheSVMandtheclosebreak-brakecoilcurrentparameters[J].HighVoltageApparatus,2011,47(3):26-30.[11],,,.[J].,2007,43(3):179-182.YUXiaoling,WEIYijiang,LIUZhiyuan,etal.Simulationresearchesoninfluencefactorsoftemperatureriseinhighvoltagevacuumcircuitbreaker[J].HighVoltageApparatus,2007,43(3):179-182.[12],,.LWl3-800[J].,2010,46(3):72-74.GUOFei,SHIGuixia,TIANZijun.ImprovementofthecontrolcircuitofLW13-800potbreakermotors[J].HighVoltageApparatus,2010,46(3):72-74.[13].FFT[D].:,2009.YANGFukang.PowergridharmonicdetectionmethodbasedonFFTresearch[D].Xi’an:Xi’anUniversityofScienceandTechnology,2009.[14].[D].,2010.HANHongrui.Intelligentswitchmonitoringunitdeve
本文标题:断路器机械特性在线监测技术和状态评估
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