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2816Vol.28No.1620048PowerSystemTechnologyAug.20041000-3673200416-0060-04TM507A470·40341213000722100085DISCUSSIONONMAKINGDECISIONABOUTELECTRICEQUIPMENTFORCONDITIONBASEDMAINTENANCETIANLing1XINGJian-guo21ManagementCollegeTianjinUniversityTianjin300072China2BeijingSifangResearchInstituteBeijing100085ChinaABSTRACTItisaninexorabletrendtoreplacethetraditionalperiodicalmaintenancewithconditionbasedmaintenance(CBM)progressively,butthemaindifficultythatmanypowertransmissionandtransformationenterpriseswillfacewithishowtorationallychoosetheequipmentstodeveloptheCBMinlargecomplicatedpowergridsandhowtosuccessfullyrealizethetransitionfromcurrentsituationmodeofequipmentmaintenancetoCBM.ConsideringthefactorssuchastechnicalsupportneededbyCBMandthepersonalperformanceandsoon,andonthebasisofexistingtechnologicalconditionandmanagementlevel,athinkingofwhetherpowerequipmentscanbebroughtintoCBMornotisputforwardaccordingtotheexperts’decisiononknowninformationandusingfuzzycomprehensiveevaluation.KEYWORDSConditionbasedmaintenanceElectricalequipmentExpertsdecisionFuzzycomprehensiveevaluationPowersystem1[1,2][3][4]2[5,6]1X2UXnu1,u2,,un12{,,,}nUuuu=L28166112(,,,)nuuu=UL3Vvim12{,,,}mVvvv=L12(,,,)mvvv=VL4Wu1,u2,,unw1,w2,,wn∑==niiw11(1)},,,{21nΛ=),,,(21nΛ=W5RRUVmnijr×=)(R(2)rij∑==mjijr11(3)rijuivjrijuivj61212(,,,)()(,,,)nijnmm×===oLoLBWR(4)1(),1,2,,njiijibwrjm==∨∧=L(5)(5)BjbjWRj7Vresultresult1mjjjVcv==∑(6)∑==mjjjjbbc1(7)8R310[7][7]44.1X4.2U1u1u11u122u2u21u22u23u24u253u3u31u32u3362PowerSystemTechnologyVol.28No.164u4u41u42u4320505u5u51u526u6u61u624.35},,,{521vvvVΛ=54321,,,,vvvvv5,4,3,2,14.4[6]WR4.5UuiwiR(4)~(7)Vresult1uiwiRu1u2u3u4u5u6Vresult1Fig.1Processofmakingdecisionbasedonfuzzytheoryandexpertsdecision5197529200299.74%22.77h4.6GWh230[8]35kV17335kV2Uu1u2u3u4u5u62816633V=5,4,3,2,1V={}4UW={0.25,0.29,0.15,0.11,0.12,0.08}29%25%15%12%11%8%57335kV0.450.200.100.200.050.200.050.400.100.250.300.100.300.200.100.370.170.200.210.050.220.080.200.150.350.100.350.100.300.15⎡⎤⎢⎥⎢⎥⎢⎥=⎢⎥⎢⎥⎢⎥⎢⎥⎢⎥⎣⎦R6(4)(5)WR(0.25,0.20,0.29,0.20,0.25)==BWRo510.250.200.290.200.251.19jjb==++++=∑(6)(7)351511===∑∑∑===jjjjjmjjjvbbvcV35kVV=371~67335kV9952h63.5MWh6[7][1][J]200327(8)72-76WangNanChenZhiyeLFangchengAsurveyofon-linemonitoringanddiagnosisforcapacitiveequipment[J]PowerSystemTechnology200327(8)72-76[2][J]199721(5)55,56,61YaoHuannianComparisonbetweentwomethodsfordeterminingtimeofmaintenanceoutageofelectricalequipmentatdefiniteinterval,orbystateoftheequipment[J]PowerSystemTechnology199721(5)55,56,61[3][J]200336(2)16-19LiYanqingLüFangchengLiuGuopingetalDevelopmentandimplementationofconditionbasedmaintenanceforelectricalequipmentinChina[J]ElectricPower200336(2)16-19[4][J]200024(8)48-52XuJingWangJingGaoFengetalAsurveyofconditionbasedmaintenancetechnologyforelectricpowerequipment[J]PowerSystemTechnology200024(8)48-52[5][M]1989[6][M]2001[7][M]2001[8][J]200327(6)64-67,76LiuYouweiLiGuangfanGaoKelietalFundamentalframetodraft“guideforconditionmaintenanceofelectricpowerequipment”[J]PowerSystemTechnology200327(6)64-67,762004-02-241973-1973-