感應加熱電源中的倍頻方式實現(xiàn).pdf

1、西安理工大學碩士學位論文感應加熱電源中的倍頻方式實現(xiàn)姓名：陳勇申請學位級別：碩士專業(yè)：檢測技術與自動化裝置指導教師：王華民石文淵20080501西安理工大學碩士學位論文Title：THEAPPLICATIONOFDOUBLEFREQUENCYMETHODININDUCTIONHEATINGPOWERSUPPLYMajor：MeasurementTechniqueandAutomaticEquipmentName；YongCHENSupe

2、rvisorProfHuaminWANGAssociateprofWenyuanSHIAbstractSignature—SignatureSignatureThispaperresearchedtheapplicationofdoublefrequencymethodininductionheatingpowersupplywithusingexistingdevicestoactualizehighfrequencyinverter

3、undertheconditionthatensuringthesafetyoftheswitchtransistorsFirstlythepaperintroducedthebasicprinciplesanddevelopmenttrendsofinductionheatingtechnologyItanalyzedandcomparedresonancetankcircuitandcommonlyusedcontroltechni

4、quesoftheinductionheatingpowerItselectedseriesresonancewhichmoresuitableforhigh—frequencyapplicationstoachievedoublefrequencyinductionheatingpowerSecondlythispaperproposedanewdoublefrequencyinvertertopologyandgavethepara

5、metersdesigningmethodofthesnubbercircuitItrealizedtheincreasingofworkingfrequencyandimprovedtheswitchingconditionofpowerdevices，andreducedthelossesofthepowerMOSFETsintheprocessofconversionThroughtheanalysisofworkingproce

6、ssofdoublefrequencyinvertercircuits，itdeterminedthesignaltriggeringmodeofthedoublefrequencyinvertercircuitandsolvedtheproblemofspikevoltagecausedbyopencircuitItdesignedandimplementedanexperimentalprototypeFinallythrought

7、hePspicesimulationandtheexperimentalresultsoftheexperimentalprototypewhichworkingfrequencywas100kHz，itverifiedthefeasibilityandcorrectnessoftheresearchWOrksKeywords：doublefrequency；inductionheating；seriesresonance，yI囂鉚●●