ThelocationdetectorofPDisdevelopedbySamgoruptominute.Itcantestandlocatedischargeoftheelectricalequipment.Itadoptsthesonic-electricityandthree-dimensionalspacetransducer,whichhasthepatenttechnology.Itcanaccuratelydeterminespacelocationofthedischargeoftestingwithoutconnecting.Itiswidelyusedtolocateanddetectthepartialdischargefordry-transformer,switch,circuitbreaker,cableterminalandotherthevariouselectricalequipments.Functioncharacteristic􀁺Operatesimply,notuseconnection,notcontacttest.􀁺Structureisreasonable,usingtheinsulationhandleandfiber-opticcabletoguaranteesafetyinoperation.􀁺Thedetectorfixhighvoltageinsulationsheathtoguaranteessafetyoftheapparatus.􀁺Accuratelylocation,fixthedirectionalsensorinthedetector,byanalyzingthedifferencechangesfortheelectricityandsonicsignalamplitude,canthelocationofthree-dimensionalspaceofaccuratelocationdischargepoint.)