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1、毕业论文(设计)外文资料翻译题目：变频器设计使用参考陕西科技大学Converterreferencedesign(1)ConverterSelection:Selectiontodeterminethefrequencyconverterwhenthefollowingpoints:1)Thepurposeofavariablefrequency;constantpressuretocontrolorconstantcurrentcontrol.2)theloadconvertertypessuchasleavesorpumpvolumepum
2、ps,withspecialattentiontoloadtheperformancecurve,theperformancecurveofthedecisionofthewaysandmeans.3)thefrequencyconverterandloadmatchingVoltagematch:aratedvoltageconverterwitharatedvoltagelinewiththeload.Currentmatches:ordinarypump,theratedcurrentinverterandmotorratedcurren
3、tmatch.Forspecialloadsuchasdeep-waterpumps,andsoonneedtorefertotheelectricalperformanceparameterstodeterminethemostcurrentinvertercurrentandGuozainengli.Torquematch:inthiscaseconstanttorqueloadorslowdownwhenthedevicemayhaveoccurred.4)theuseofhigh-speedmotordriveinverter,beca
4、useofthehigh-speedmotor,anti-small,highharmonicsleadtoincreasedoutputcurrentvalueincreases.Soforhigh-speedmotorinverterSelection,itscapacitytobeslightlylargerthantheordinarymotorselection.5)Ifthefrequencyconvertertoalongcablerun,thistimetotakemeasurestocurbthelongcabletothei
5、mpactofcapacitivecoupling,inadequateeffortstoavoidconverter,sointhiscase,thedrivetoenlargethecapacityofafileortheconverterOutputinstalledoutputreactor.6)Fortheapplicationofsomespecialoccasions,suchashightemperatures,highaltitude,atthistimewouldcausethedownconvertercapacity,t
6、hedrivetoenlargethecapacityofablock.(2)invertercontrolschematicdesign:1)FirstconfirmationoftheinstallationenvironmentConverter陕西科技大学Operatingtemperature:high-powerconverteristheinternalelectroniccomponents,vulnerabletotheeffectsoftemperature,productgeneralrequirementsfor0~55
7、℃,butinordertoensurethesafe,reliable,theuseofroomtobetakenintoaccount,thebestcontrolin40℃below.Inthecontrolbox,theconverterboxshouldgenerallybeinstalledintheupperandstrictlycomplywiththeManualofinstallationrequirements,absolutelynotbeallowedtoheatingelementsorcomponentseasil
8、yfeverclosetotheconverterinstalledatthebottom.Ambienttemperature:thetempera
