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iGISSF6GISSF6GISGISSF6GIS600150GISTg14014640600800kVGISATg100110Tg125AiiAbstractiiiResearchonNewTechniqueinEpoxyResinCastingTechnologyforGISAbstractSF6GISplaysquiteanimportantpartinpowersystemathomeandabroad,yettheepoxyresincastinginsulatorsareveryimportantpartsinGIS,thepropertiesandreliabilityofinsulatorsdirectlydeterminethetechnicalspecificationsandlong-termservicereliabilityofGIS.Sotheepoxyresincastingtechniqueplaysakeyroleinhighvoltageswitchgearworks.WiththedevelopmentofSF6GIStowardsultrahighvoltage,largepower,miniaturizationandmaintenance-free,higherrequirementsareputforwardonthepartsofresincasting.HenanPinggaoElectricalCorporationisamainenterprisedevelopingandproducinghighandultrahighvoltageswitchgears,andbuildsajointventurewithToshiba.Accordingtoarrangement,thecastingpartsusedforbothcompaniesaremadeinPinggao.Dependingontheirdemands,annualproductionoughttobe600toninPinggao,butnowonly150tonisproducedeveryyear.BesidestheGISofToshibaisonbehalfofthemodernadvancedtechniqueintheworld,thepropertiesofcastingpartsareinadvanceofPinggao’s,especiallyinheatresistance,andtheglasstransitiontemperatureis140146,40higherthanPinggao’svalue.Therefore,Pinggaoelectricalcorporationdecidetoreforminitsresincastingtechnique,inordertomeettherequirementsofToshibaandmarketdemands.Atpresent,theglasstransitiontemperatureofthesystemofvalueisabout125inspecialcase.ApparentlythesystemofcastingBPAandacidanhydridethatiswidelyusedisonly100110andthecrestresinisdifferentfromToshiba’s.AccordingtotherequirementsToshibaneeds,inthisthesisthemixtureofhightemperaturealicylicepoxidesandBPAisused,anappropriatecastingresinsystemandcastingconditionsareobtainedthroughtechnicaltests,andonthebasisofthat,suitablevacuumresincastingplantsisivchosenandproductionconditionsaremodified.Finallythroughproductiontests,therequirementsofToshibaaremet,thepurposeisaccomplished.Keywords:ResincastingMaterialTechnologyandplantsProductionprooftestResearchtype:Applicationfoundationv111.111.211.2.131.2.2101.2.3141.3151.4161.5182192.1192.2192.3202.4202.4.1202.4.2202.4.3212.4.4212.5223243.1CT200/CY179243.1.1CT200/CY179243.1.2CT200/CY179253.1.3CT200/CY179273.1.4CT200/CY179293.1.5CT200/CY17930vi3.1.6CT200/CY179313.2313.2.1313.2.2323.2.3343.3364374.1374.1.1374.1.2374.1.3384.1.4384.1.5394.2394.3454.3.1454.3.2454.4465495.1495.2495.3515.4525.55365455561111.1SF6GISSF6SF6SF6[1]GISGISGIS1.22[2][3]1.11.1131.2.1[4][2]a.AFS[5]AA[6][7]AMeTHPA11MnMcMc=450~7004MwMnMw/Mn[8]MnMnMwMwMwMnMw/Mn[9][10]SF6E-39DE-31AralditeB41B44VanticoXH5531CICT200A[4]A[11]190360AA[12][13]15b.[14][15]JE-27CibaB44JH-1CibaHT903MeTHPACibaHT901JH-16c.SiO2[16]SF6SF6WCuAlHFHFHFSiO2SiF4[17]Al2O3HFSF6[18]1/[19]1[20]=f+1-r1.1fr6.510-5K-17.510-6K-11710-6K-11210-6K-1217[20]=r1-[1-(f/r)K]1+(K-1)1.2K=3r/(2r+f)rf0.2~0.3W/mK1.6~2.1W/mK65%1.263[23]2SF6[21][22][23]81[23]2[23]3PHNa2O+K2OSiO2Fe2O3[24]PH19SiO2SF6Fe2O3PH3[25][26][27][28]4[29]1.1101.11.2.2a.[30]SiO2Fe2O3Na2OAl2O3/(%)0.10.050.199.50.1PH20g(100g)-13.95gcm-36~9(130)(130)350phr3000mPas45min80~34m65~26m50~20m40~17m30~15m22~13m17~10m11.5~6.4mD50%()/%31020304050709013~22111PTClausius-ClapeyrondP/dTp=Hm/(TmV(1.3)HmVm=VmVm()PTTb.125000mPasc.1330Pad.Tg[6]113[5]e.1.2[31]ATrTcABCDDETgFTgDETgEF1.2BDTcDFDEEFBFCF[6]1.2TrFATgTcEDCB//cm3g-114[32]801.2.3SF6[33]1.310mPas500000mPas[34]23%1151.31.3Giba-Geigy[35]SF6GIS[36][37]ABBSF6GIS72.5~800kVSF6GIS550kVGIS1100kVGIS16SF6GISSF672.5~550kVGIS126kV550kV[38]SF6GISSF6GIS1.472.5~550kVSF672.5~252kVSF6GIS126~550kV126kVSF6GIS252kVSF6GIS11720053502000872.5~550kVSF6GIS6250150GIS1.21.2/(%)0.3871/g.cm-32.371.9~2.2/140~146104/MPa69~100/MPa124~136120/kJ.m-212TMA/2.910-5/cm2.71016110155.931018/%0.191/kV·mm-125/s210600800kVGIS1.51.2Tg140~14640ATg100~110Tg125[6]GISA123421922.1SF6GISGISGISTg140~146CiCa-GeigyAralditeB41CT200110CT2002.2CT200AralditeCY179HT901TGAl2O3202.3CT200/CY17990/1085/1580/2075/25+TGAl2O3280~380+HT901444851542.42.4.1[38]10min5000mPasNDJ-10.0001~100Pas2.4.2[39]SF6GIS221a.XDL-310mm4mmGB/T2568-955b.XDL-3120mm15mm10mmGB/T2570-955c.XJJ-50J120mm15mm10mmGB/T2571-9552.4.3vs[40]vZC36100VE[41]100kV100mm1mm2.4.4Tg[6]JIS-K6911-19792.1222422MS=14[D1-d1D1+D2-d2D2+D3-d3D3+D4-d4D4]1002.1MS%d1d2d3d4mmD1D2D3D4d1d2d3d4mm2.1(d3)(d4)TATMA8mm15mmTgTADSC10~15mg10/min2.5(1)CT20013055h90d1(d3)d2(d4)335768090R3223CY179805TGAl2O313055hHT9011405(2)Al2O3125150Pa120min115200Pa10min(3)12052h(4)11015h(5)15017h(6)6100243243CT200/CY1793.1CT200/CY1793.1.1CT200/CY179CT200/CY1793.13.1CT200/CY1791151-CT200/CY179=90/102-CT200/CY179=85/153-CT200/CY179=80/204-CT200/CY179=75/25/mPas10002000300040005000123410302040605070/min253.1CY179CY17910phr40minCY17915phrCY179980mPasCT2OO/CY179=80/2045minCT2OO/CY179=80/20CT200/CY179=80/203.1.2CT200/CY179CT200/CY179100/090/1085/1580/2075/25CT200/CY1793.2~3.4CT200/CY179CY179CY179CY17925phr[42]326/MPa6570758085CY179/phr501015202502515105206570758085/MPaCY179/phr3.2CT200/CY179–3.3CT200/CY179–140/MPa011013012030205101525CY179/phr150100140/MPa011013012030205101525CY179/phr150100273.4CT200/CY179–3.1.3CT200/CY179CT200/CY179100/090/1085/1580/2075/25CT2