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1、变频器实现分条机张力控制的原理及应用1Theprincipleandtheapplicationofthecontrolofthetensioncontroloftheconverter2007-6-811:07:00theInternetreprintedthecollectionAbstract:thispapermainlyintroducesthepurpose,processrequirement,controlmode,controldifficultyandthemethodofrealizinganddebugging.Thispaperma
2、inlyintroduceshowtocontrolthetensionintheseriesVseries・Thesteps,proceduresandparametersthatshouldbenotedwhenthetorquecontrolisrealizedbytheVseriesinverter・Keywords:tdaelectromechanicaldivisiontensioncontrolconverter1theintroductionTape,protectivefilmproductionequipmentmainlyinclude
3、allkindsofadhesiveproductsandnogummedpaper,cloth,leatherandavarietyofplasticmaterialsinplastic,multi-layerlaminating,slitting,rewinding,slitting,stampingmachineryandsoon.Intheprocessofproduction,thecuttingedge,cuttingandcuttingofthematerialarerequired.Theshingles(FIG.1)aremainlyuse
4、dtocutthewidthintonarrowsheets・Thedivisionprocessconsistsofthetwoprocessesofrollingandrolling.Thetensioncontrolofthecoilandrollisthekeyautomationpartofthedividingmachine・Planfeatureofthiscaseisonthebasisoftheoriginalelectriccontrolsystemusefrequencyconvertertorealizerollingtorqueco
5、ntrol,achievetheidealeffect,onthebasisoftheoriginalimprovethemachineperformanee,makethemachinemorestableinhighspeed,convenientoperation,safeandreliable,strongdurability,reducethelaborintensity・2systemanalysisThecoilprocessrequiresconstanttensioncontro1.Thetensionisgivenbythetension
6、controller.Tensioncontrollercontrolprincipleisthroughthedetectionoflinearvelocitycalculationofrolldiameterandloadtorque二F*D/2(settensionF,Dforcurrentcoildiameter),thereforewhensettingthesizeofthetension,becausethecurrentwasinformedbycalculationofcoildiameter,sotheloadtorquecanbecal
7、culated・Thetensioncontrollercanoutputthestandard0-10vanalogsignal,whichcorrespondstotheratedtorqueoftheasynchronousmotor.Soweusethisanalogquantitytoplugintheconverter,andweselectthetorque・Thisensuresthatthetensionisconstantthroughouttheentirecollection.Intheconvertertorquemode,thes
8、peedlimitislimited・Intensi