Inthehighfrequencyinverter,itisnecessarytosupplythehighfrequencycurrenttotheswitch,buttheelectrolyticfiltercapacitorcannotprovidethehighfrequencycurrentbecauseofitsinductanceandleadinductance,soitneedsthehighfrequencycapacitancetoprovide.Thefull-bridgeinverteriscomposedof8,q-switchtube,Q1,Q2,Q3,Q4.Undertheactionofdrivingsignal,30vDCisconvertedto100khz(100000Hz)AC.9,c3-thecapacitorisconnectedtothetransformerto***oidtheDCcurrentflowingthroughthetransformer.The10t1maintransformer12l1-reactorhasthefunctionofflat-w***econtinuation,whichcanmaketheoutputcurrentbecomecontinuousandstable,andensuretheweldingquality.The13rf-shuntisahighpowerlowresistancemadeofmanganesecopper,whichisusedtodetecttheoutputcurrentandprovidefeedbacksignal.WorkingprincipleofFull-bridgeInverter)