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:2007206206:(1972),,,19947,()[(),117545002]:28000m3/h,,,:;;:TH452:BAccidentanalysisandtreatmentofelectricmotorpsautotransformerintheaircompressorofairseparationunitGongYi[GasCompanyofLiuzhouIronandSteel(Group)Co1,Ltd1,117BeiqueRoad,Liuzhou545002,Guangxi,P.R.China]Abstract:Thecauseoftheburningduringstartinguptheautotransformerofelectricmotorintheaircompressorfora28000m3/hairseparationunithasbeenanalyzed.Thetreatingmeasureswasproposedandcarriedouttoimprovetheoperatingparametersofautotransformer,whichsuccessfullyclearedthestartupproblem.Keywords:Aircompressor;Electricmotor;Autotransformer()(:)28000m3/h,14000kW,,32008kVA1200512272232,,,2500VM:151500M,602500M,1166,,,,96%;,,98%,,,,,220A,1,70,,,C,2,:C15cm20cm,,C,,41:C,,12272232,C,,,C,,10kV,AB,:C(),3,1,,,,,:(1)40000kVA;(2)015%;(3)610%;(4),,,,115;(5)16kA()2,;(6):28kV,1;2,100Hz,1,60%65%70%,70%60,12%,,,,70%75%80%,75%,2006221,48,14%,4,,,,,,,,,,,¬200759,,515,,,;,,,1,,,2006,51