变压器绝缘油智能化故障诊断系统研制

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,,(410077):。:;;:TM406:B:1001-8425(2010)08-0066-05DevelopmentofIntelligentFaultDiagnosisSystemforTransformerOilHUANGChao,ZHOULi-xing,CHENZhong(ChangshaUniversityofScience&Technology,Changsha410077,China)Abstract:Theintelligentfaultdiagnosissystemfortransformeroilispresented.Keywords:Transformer;Fault;Diagnosis1,,IEC、、、TD(),、、。,,,。,,,,,。2IEC、。1。、。;,、、;。2。,。3Access。Access、、。:PublicFunctionOpenConn(DBSourceAsString),DBSource。1Fig.1MaininterfaceofintelligentfaultdiagnosissystemfortransformeroilTRANSFORMER47820108Vol.47AugustNo.82010、、8,:PublicFunctionOpenRs(table,filter),tablefilter。,VB,DataGrid,Access,,DataGrid,:SetDataGrid1.DataSource=rs。VisualBasic,DataGrid,DataGrid。,,。4。、。。(1),,:γa=Ci,2-Ci,1Δt·mρ(1)γa———,mL/dCi,2———,μL/LCi,1———,μL/LΔt———,dm———ρ———,t/m3(2),(),:γr=Ci,2-Ci,1Ci,1·1Δt×100%(2)γr———,%/Ci,2———,μL/LCi,1———,μL/LΔt———,1。,0.5mL/d。,,,。,,。,。。5、,。。5.1IECAccessADO2Fig.2Modulesofintelligentfaultdiagnosissystemfortransformeroil1Table1Attentionvaluesofabsolutegasproductionrateoftransformerandreactor6120.10.251050100100200m/d6747,IEC。,2,3。PrivateFunctiongetCode(D)AsString,5D,2,,,IEC,。,。“”,。“”,,,。5.2,,“”,。,。X0={x0(t)},Xi={xi(t)},t=k:ξ(k)=minimink(rik)+ρmaximaxk(rik)rik+ρmaximaxk(rik)(3),rik=|x0(k)-xi(k)|,ρ,ξ(k)k。XiX0γi:γi=1nnk=1Σξ(k)(4),,。,。,。,,。,,,,。H2、CH4、C2H6、C2H4C2H2。,,。,,:、、、、、、、、、。,4。(4),,。【1】1,199618,H2=985μL/L,CH4=555μL/L,C2H6=200μL/L,C2H4=1636μL/L,C2H2=8.3μL/L。H2%=3.9%,CH4%=23.1%,C2H6%=8.3%,C2H4%=68.2%,C2H2%=0.3%。,2Table2CoderuleC2H2/C2H4CH4/H2C2H4/C2H6<0.1010≥0.1~<1100≥1~<3121≥32223Table3DiagnosismethodoftypesoffaultC2H2/C2H4CH4/H2C2H4/C2H6001(150℃)20(150℃~300℃)21(300℃~700℃)0,1,22(700℃)1010,10,1,220,1,220,10,1,220,1,268、、8γ8=0.9945,γ5=0.8077,γ9=0.627……,。35kV,。【2】,[H2,CH4,C2H6,C2H4,C2H2]=[149,194,85,378,0.77]μL/L,,,。;,,。,,。GrayAnalysis,5,。,。(),,。。6,。CH4、C2H2C2H4,。6.1OpenGL。OpenGL3D,。VBvbOpenGLOpenGL,3。,,,。6.2,4。CH4、C2H4、C2H2,:%C2H2=100XX+Y+Z,%C2H4=100YX+Y+Z,%CH4=100ZX+Y+Z(5),X、Y、ZC2H2、C2H4CH4。:,CH4、C2H4u、v,:X=u/2+v,Y=u×3姨/2(6)6.3,。,VBMSChart,、,MSChart,5。4Table4ModeunitsofstandardfaultoftreetypedischargeofshieldH2%CH4%C2H6%C2H4%C2H2%44.964014.70591.960834.313749.019662.422429.75214.958726.446338.843058.568330.54104.886626.178038.394468.309740.57487.016127.895224.513949.969616.81964.281338.532140.367067.438740.79507.426828.242723.5356T2-T3-D1-D2-PD-T1-5310.15310.15310.1CH4/H2C2H2/C2H4C2H4/C2H6:W,A,S,DT3T2T1D1D2PD3Fig.33Dvisualdiagnosis4Fig.42DvisualdiagnosisD1T1T2T3D+TD+T%C2H4204060802040608020406080%CH4PD%C2H2T1-T2-T3-D1-D2-D269477,,,,。:[1],.[J].,2006,30:423-425.[2].DGA[J].,1999,36(1):30-34.[3],,.[J].,2005,42(9):43-46.[4],,,.[J].,2007,33(8):52-55.[5],,,.[J].,2008,28(7):141-147.[6],,,.[J].,2002,22(10):121-124.[7],,.BP[J].,2008,23(2):72-75.[8],.[J].,2005,29(18):73-75.[9]DL/T722-2000,[S].[10].[M].:,1990.[11],.[J].,2002,26(7):24-29.1601401201008060402001601401201008060402005Fig.5Historycurves:2009-08-11:(1982-),,,,;(1962-),,,,、;(1974-),,,,、、。,,,。:[1],.[J].,2006,26(3):119-123.[2],.PSO-BPD-S[J].,2006,30(7):46-50.[3],.[J].,2003,39(1):49-52.[4],.[J].,2002,22(7):115-118.[5],.[J].,2008,27(2):79-82.[6].matlab[M].:,2005.[7],.[J].,2006,(1):174-179.[8],.[M].:,2006.:2010-01-27:(1968-),,,,、、、;(1986-),,,,、。(62)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!70

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