橫向磁通感應加熱實驗研究及其改進.pdf

1、河北工業(yè)大學碩士學位論文橫向磁通感應加熱實驗研究及其改進姓名：郭立濤申請學位級別：碩士專業(yè)：電氣工程指導教師：汪友華20091201vEXPERIMENTALEXPERIMENTALEXPERIMENTALEXPERIMENTALSTUDYSTUDYSTUDYSTUDYIMPROVEMENTIMPROVEMENTIMPROVEMENTIMPROVEMENTOFOFOFOFTRANSVERSETRANSVERSETRANSVERSETRA

2、NSVERSEFLUXFLUXFLUXFLUXINDUCTIONINDUCTIONINDUCTIONINDUCTIONHEATINGHEATINGHEATINGHEATINGEQUIPMENTEQUIPMENTEQUIPMENTEQUIPMENTAAAABSTRACTBSTRACTBSTRACTBSTRACTTheequipmentofstriptransmissionftransversefluxinductionheatingexp

3、erimentmainlyconsistsofthreeparts:frequencycurrentsourcecontrollingsystemmachinerymainlyinvolvingmotstripheatinginductetc.Thematurationwideapplicationofthetechnologyoftransversefluxinductionheatingmustacceleratethedevelo

4、pmentofmentalproductsprocessingbringaboutconsiderableeconomicbenefitsincontemparyChineseindustry.Throughtheexperimentitisfoundthatthecontrollingsystemofmotisredundantlessaccuratewhichobstructustogetaccurateresults.What’s

5、methepanheadeasilyloosedunstableduetoinertnessonceturnonoff.BasedontheexperimentalresultsthispaperdesignsacontrollingsystemcalledASDAdjustableSpeedSystemviaPLConthebasisofSiemensS7200seriesCPU226PLCMD320vectinverterMD330

6、specialtensioncontrolinverternewlyproducedbyShenzhenInovanceTechnologyCo.Ltd.SuchimprovedtransmissionsystemrunsonthebasisoftwopullingmotsMD320maininverterMD330inverterintheprocessofrollinguprollingback.Suchdesignguarante

7、esthestabilityofstriptransmissionthequalityofstripheating.BythecontrollingviaPLCthispaperalsodesigntwocontrollingmethodsbothautomaticmanual.Theopenlooptensioncontrolischoseninthetransmissionsystemsavingthetensionfeedback

8、equipmentmakingthemechanicalsystemsimplethePIDparameterindependenttensioncontrolstable.Themodeofobtaininglinespeedischosentocalculatethediameteroftherollinguprollingdownprocesstobeexacttherunningfrequencyofanalogueoutput

9、signalofthetractioninverterMD320controllingthespeedofthesystemusedasthelinespeedsignal.ComparedwithiginalcontrollingsystemthecontrolviaASDAdjustableSpeedSystemismuchmeaccuratethepropertyisincreasinglystable.KEYWDS:induct