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当前位置:首页 > 机械/制造/汽车 > 机械/模具设计 > 高压真空断路器机械特性智能在线监测系统的研制
江苏科技大学硕士学位论文高压真空断路器机械特性智能在线监测系统的研制姓名:蔡亮申请学位级别:硕士专业:控制理论与控制工程指导教师:曾庆军20080304I(BE2006086)()TMS320F2812DSPCANDSPCANAbstractIIAbstractOn-linemonitoringformechanicalcharacteristicsofhigh-voltagevacuumcircuitbreakeristhepreconditionofpredictingmaintenance,isthekeyelementofreliablerun,andistheimportantsupplementandupdateddevelopmenttothetraditionaloff-linepreventivemaintenance.Advancesinmeasuringandtestingtechnologyprovidemorereliableandefficientmethodsforon-linemonitoringofmechanicalcharacteristicsofhigh-voltagevacuumcircuitbreaker.ThispaperissupportedbythefoundationofScientificandtechnologicalprojectsinJiangsuProvince(CodeBE2006086)Firstly,thepapersummarizesthebasicprincipleandmaincontentofhigh-voltagecircuitbreakeron-linemonitor.Thekeytechnicalissuesofthemechanicalcharacteristicsofthecircuitbreakeraredetailedanalyzed.ThedetailedrealizedmethodsofusingHallcurrentsensortomonitorthecurrentsignalofclose(open)coilintheoperatingmechanismandusingangulardisplacementsensortomeasurethemechanicaldisplacementsignalofmovablecontactareresearched,atthesametime,thefittingmethodbetweenAngulardisplacementandLinearitineraryisgiven.Secondly,thefunctionmodulesofon-linemonitoringsystemareplanned.AnewkindofsitemonitoringmodulebasedonTMS320F2812DSPisdesigned.Thesystemhardwareismadeupoftowfloors:thebottomfloorandtheupperfloor.Thebottomflooristhesitemonitoringmodule,whichisprimarilyresponsibleforsamplingdata,disposingdataandcommunicatingwiththecomputer.TheupperflooristhePC,whichisprimarilyresponsibleforman-machineinterface’sdisplay,faultdiagnosis,creatinghigh-voltagebreakerrunningstatesdatabaseandsoon.ThesystemusesCANbusascommunicationmethodbetweensitemonitoringmoduleandthePC.Thepaperemphasizesonthedesignmentofhardwareandsoftware,suchassignalconditioningcircuit,displaymodule,thedesignofthecommunicationmoduleandthemonitoringsoftwaredesignforthePC.Besides,aimingatcurrentlyhigh-voltagevacuumcircuitbreakerlackofrunningdatasandthesituationthatimprovedfaultdiagonismodelishardtoestablish,akindofbreakrunningstateidentificationmethod,namedSimilarityAnalysis(SA)isexpounded.Thebasicideasofsimilaranalysisarediscussedinthepaper.ThebasicideaofSAiscomparingthedataofconditiontobeassessedwiththedataofworkingcondition.TheapplicationofSAinoperationtripcoilprofileanalysisofcircuitbreakerisstudied.ThepreliminaryworkAbstractIIIoffaultdiagnosishasbeendone.Lastly,theexperimentiscarriedout,theresultsmeettherequirements.Thedesiredfunctionsarerealized..KeyWords:CircuitBreaker,On-lineMonitoring,MechanicalCharacteristics,DSP,CANBus11.11.1.1[1-4]3kV[1]()SF6SF6()()1.1(a)(b)1.11(a)(b)1-2-3-4-5-6-1.121.1.21.1.3[2,5]CIGRE()13.061974~19771988~199143%21%29%7%50%[2]1979~1993220kV1.11.11979~1993220kV32472063(%)50.696.3511.1131.75100CIGRE13.061.23[6]1.2.190GISGIS2060GISGISGIS[7-9]20901992GIS1995CBA-1[10,11]1.2.24[2]1)2)3)4)5)SF66)7)8)1.3[12]l0kV35kV198019%199365%199860%~70%[1][13]()80%[14-15][16]1)2)53)4)1.4CANTMS320F2812DSPCANVisualBasic6.0——62.12.1.1[17][1,2,11]1)2)3)4)5)2.1.2[1,18-20]1)2)3)4)5)6)7)78)9)10)11)12)SF613)2.1.31)2)3)4)5)2.22.2.11-2-34-5-6782.12.21275634271-2-34-5-6-7-2.12.22.2.29[21,22]()()()()()-()-2.32.41)2)3)4)5)6)7)8)9)10)11)12)13)14)15)102.32.42.2.3()()111)2)()3)()4)()5)()2.2.41)()2)123)ADDSPF2812AD25MHZ4)---2.3[23,24]2.3.11)DSPF2812A/DCTiu0.5refV2sin()0.5refuUtVwa=++(2.1)'2cos()uUtwwa=+(2.2)132tkwap+=(k=0,1,2…)'max2uUw='1maxmaxmax2sin()2sin()222ttutTutuuuUTTwwawawww++Δ+-+-===ΔΔ(2.3)2tkwap+=2tkwap+=(k=0,1,2…)'max2uUw=maxcos(/2)2sin(/2)TtTTwwawwΔ++Δ=Δ(2.4)12sin(/2)TTwwΔ≤Δ12sin(/2)TTwwΔ≥ΔK(2.4)maxcos(/2)cos(/2)tTKTwaww++Δ=⋅Δ(2.5)()2)NN12()cos(2/)NRNkIiknkNNp==⋅∑(2.6)12()sin(2/)NLNkIiknkNNp==⋅∑(2.7)(2.6)(2.7)()ikkn22nRNLNIII=+(2.8)14LNnRNIarctgIj=(2.9)2211RLIII=+(2.10)111LRIarctgIj=(2.11)1090joo190180joo[23]3)220111()NTmmiitdtiTTT===Δ∑∫(2.12)TΔmiN2111NmmiiN==-∑(2.13)()2.3.2[24]1)t2/3tp-2/3tp+15mIaRL1(/)tgLRjw-=(w)i(/TLR=)/sin()sin()tTmmiItIewajaj-=+---(2.14)'/cos(/2)tTmmiItIewwp-=++(2.15)/2ajp-=/sin()tTmIeaj--0.05T=2mI=(2.14)(2.15)mathcard2.52.62.52.62)50(0.20.5)Hz±:[25](2.3)1max2ttuuTw+-Δ(2.4)maxcos(/2)2sin(/2)TtTTwwawwΔ++Δ=Δ16(2.5)22kTtkpwwap-Δ≤+≤2(1)2(1)kTtkpwwap+-Δ≤+≤+/22/2tTkTwawpw++Δ=±Δ2sin(/2)TTwwΔΔcos(/2)TwΔ2.82.9(/64TTΔ=)2.72sin(/2)TTwwΔΔ2.8cos(/2)TwΔ2.72.82sin(/2)TTwwΔΔmaxcos(/2)cos(/2)tTkTwaww++Δ=⋅Δ68172.4[26]2.4.1[27]1I2I1I2I2I2I1I1sm(50HZ)18YDG-HSD2.92.9YDG-HSD1)50HZ2)1%3%5%:50HZ3)0.1%4)1sm/didt50/Asm()1020ms:()5)0100kHz:6)7)2.4.2Rogowski192.4.32.4.3.1[28]40.5kV[29]2.10MIL-R-39023AMIL-STD-202E0.1%34010±o400/ppmC±o500V(AC.RMS)1min0.1%≤360o55~125-+1mNm≤⋅10~2000HZ2%≤202.102.112.122.112.122.4.3.2[30]refUsUA0UqΔ0()srefUUAUq-⋅Δ=(2.16)1022.1321(a)(b)2.132.13103(2.13(a)AB)1233(2.13(b)AB)123//2.1312()mnpxbbxbx=++⋅⋅⋅+()mn(2.17)0iQbdd=21[()]niiiQpxy==-∑(1,2,,)in=⋅⋅⋅(2.18)(,)iixy12,,,mbbb⋅⋅⋅()pxmm2.14(2,4,8,16,20m=)20m=2.1422(a)(b)2.142.5233.13.1.1[11]1)2)3)4)5)6)63.1333.13.1.23.224CAN3.2CANPCCANCAN,3.3CANBUSCANHCANL1122nn3.3253.1.33.2DSPADCCANPC3.23.2.11)2)3)263.2.2TMS320F2812DSPCANF2812DSPADDSP()()CAN3.4TMS320F2812DSPCANPCCANSN65HVD230JATAISSI61LV641
本文标题:高压真空断路器机械特性智能在线监测系统的研制
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