SFZ7-26MVA132kV电力变压器的短路试验

SFZ7-26MVAP132kV(,110025):SFZ7-26MVAP132kV(CESI),CESI:Short-CircuitTestofSFZ7-26MVAP132kVPowerTransformerHeYiyanShenyangTransformerResearchInstitute.,Shenyang110025Abstract:Theshort-circuittestmethodandresultofSFZ7-26MVAP132kVpowertransformerareintroduced,whichistestedinltalyCESI.SometechnicalproblemsarediscussedwithCESIexperts.KeyWords:Powertransformer,Short-circuittest,Method1,70,19985WAPDA18SFZ7-26MVAP132kV,,CESI(CentroElectrotecnicoSperimentaleItaliano)2CESICESI,30m2,400(1999)CESI,,:()EMCCESI,33.1CESI,::26MVA:132P11.5kV:113.7P1307A:50Hz:3612199912TRANSFORMERVol.36DecemberNo.121999©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:(132130.77%)kV:Dyn11:ONANPONAF:A:LI650AC275PLI110AC3811PMVAP0PkWP%PkPkW20(ONAN)17107126(ONAF)17131203.2CESI19992933,CESI3.2.1,,,,,3,,,1,,74.2kV,62.5kV(),3.2.2CESI,,30s,,20m30m10m,,(),,35kV100m1,,6,4;8,16.210.82.71.80.460.30.0750.05m;,VABIAIaVBCIBIbVCAICIcI()12DyYd,:,A:(1)50%,0.1sA:100%,0.5s,3B:(14)50%,0.1sB:100%,0.5s,3C:(27)50%,0.1sC:100%,0.5s,32,32PkVP%PPPPAA1145.213.4108.72.1110.87571930B1413212.785.12.187.28742229C27118.812.5792.181.19802499:IEC76-5145170kV10000MVA512:SFZ7-26MVAP132kV©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3PkVPAPsP%A115374020240.510.12B1414084022650.510.24C2712392025900.510.2220kV,50%,50%,,5%,95%,,,(0.51h),,30m,,,,(),,,,,,3.2.3IEC76.5,75%,::206.25kV,60s;28.5kV,60s;:,17.25kV,150Hz;198kV,40s;3.2.4,,CESI4CESI4.1IEC76.5TC1419979[TC14P314PCDV(1998-08-31)]199810TC14,4.2.5.5:(2500kVA):0.5s(2501kVA):0.25sCESI,26MVA0.25s,0.5s,0.5s,4.2IEC76.5,2%CESI,(LV)(FRA)4.3IEC76.5,CESI,,,519961998,,110kV,[1],,,,,1.110kV.,1998,35(10):1315.(:1999-10-20)636©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.