摘要
Thispaperpresentsanoveltransformermagneticbiasingcontrolmethodforhigh-powerhigh-performanceACpowersupplies.Seriousconsequencesduetomagneticbiasingandseveralmethodstoovercomemagneticbiasingarefirstdiscussed.Thecausesofthetransformermagneticbiasingarethenanalyzedindetail.Theproposedmethodisbasedonahigh-passfilterinsertedintheforwardpathandthefeedforwardcontrol.Withouttestingmagneticbiasingoftransformer,thismethodcaneliminatemagneticbiasingoftransformercompletelyinreal-timewaveformfeedbackcontrolsystemsthoughtheaeroerroroftheHalleffectsensorsvarieswithtimeandtemperature.Themethodhasalreadybeenemployedina90KVAACpowersupply.Itisshownthatitoffersimprovedperformanceoverexistingones.Inthismethod,nosensorsareusedsuchthatthezeroerroroftheHalleffectsensorshasnotanyinfluenceonthesystem.Itissimpletodesignandimplement.Furthermore,themethodissuitableforvariouspowerapplications.
出版日期
2001年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)