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1、Converterreferencedesign(1)ConverterSelection:Selectiontodeterminethefrequencyconverterwhenthefollowingpoints:1)Thepurposeofavariablefrequency;constantpressuretocontrolorconstantcurrentcontrol.2)theloadconvertertypessuchasleavesorpumpvolumepumps,withspecialattentionto
2、loadtheperformancecurve,theperformancecurveofthedecisionofthewaysandmeans.3)thefrequencyconverterandloadmatchingVoltagematch:aratedvoltageconverterwitharatedvoltagelinewiththeload.Currentmatches:ordinarypump,theratedcurrentinverterandmotorratedcurrentmatch.Forspeciall
3、oadsuchasdeep-waterpumps,andsoonneedtorefertotheelectricalperformanceparameterstodeterminethemostcurrentinvertercurrentandGuozainengli.Torquematch:inthiscaseconstanttorqueloadorslowdownwhenthedevicemayhaveoccurred.4)theuseofhigh-speedmotordriveinverter,becauseofthehig
4、h-speedmotor,anti-small,highharmonicsleadtoincreasedoutputcurrentvalueincreases.Soforhigh-speedmotorinverterSelection,itscapacitytobeslightlylargerthantheordinarymotorselection.5)Ifthefrequencyconvertertoalongcablerun,thistimetotakemeasurestocurbthelongcabletotheimpac
5、tofcapacitivecoupling,inadequateeffortstoavoidconverter,sointhiscase,thedrivetoenlargethecapacityofafileortheconverterOutputinstalledoutputreactor.6)Fortheapplicationofsomespecialoccasions,suchashightemperatures,highaltitude,atthistimewouldcausethedownconvertercapacit
6、y,thedrivetoenlargethecapacityofablock.(2)invertercontrolschematicdesign:1)FirstconfirmationoftheinstallationenvironmentConverterOperatingtemperature:high-powerconverteristheinternalelectroniccomponents,vulnerabletotheeffectsoftemperature,productgeneralrequirementsfor
7、0~55℃,butinordertoensurethesafe,reliable,theuseofroomtobetakenintoaccount,thebestcontrolin40℃below.Inthecontrolbox,theconverterboxshouldgenerallybeinstalledintheupperandstrictlycomplywiththeManualofinstallationrequirements,absolutelynotbeallowedtoheatingelementsorcomp
8、onentseasilyfeverclosetotheconverterinstalledatthebottom.Ambienttemperature:thetemperatureistoohighandlargetemperaturechange
