bviouemperaturerisingwilloccurforsomepowertransformersbeforethemalfunctionareformed.Onconditionthatthereal-timemonitoringtothecorrectareascanberealized,apreventivemaintenancewouldalterthepresentmaintenanceandinspectionmode,andbeabletoreducetheMaintenanceCost.Therefore,itisveryimportanttokeepthepowertransformersinthebestsituation.Thereareseveralmethodstomeasurethehotspottemperature.Asimplemethodisthatthetemperaturesensorcanbeusedtoconverttemperaturesignalintotheelectricsignalandthenthesamplingdatacanbecollectedbytheinstrument.Inthispaper,areal-timetemperaturemonitoringsystemforoil-immersedpowertransformersisdesigned.Thedesignedmonitoringsystemcaneffectivelymonitorsomekeyarea'stemperaturevariation:suchastheboxbody,thetransformerwinding,theironcore,andsoonanditplaysasignificantroleinsupervisorycontroltotheoperationsituationoftransformers.II.HARDWAREDESIGNA.Overal口转移到电脑。