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1、变频器的调试步骤（Debuggingstepsoffrequencyconverter）First,thefrequencyconverterno-loadno-loadtest11connectthegroundterminalofthefrequencyconvertertoground.21thepowerinputterminalofthefrequencyconverterisconnectedtothepowersupplythroughtheleakageprotectionswitch.31checkthedisplaywindowof
2、thefrequencyconverterdisplaywindowisnormal,ifnotcorrect,shouldreset,orrequestexchange.41familiarwiththeoperationkeyoffrequencyconverter.Generalinvertersarerunning(RUN),stop(STOP),programming(PROG),ThedataconfirmP(DATAPENTER),increased(UP,3),reduce(DOWN,6)Thekeysfordifferentinver
3、tersarebasicallythesame.Inaddition,someinvertersalsoTherearesurveillance(MONITORPDISPLAY),reset(RESET),inching(JOG),shift(SHIFT)functionkeys.Two、frequencyconverterwithmotorno-loadoperation11setmotorpower,polenumber,shouldconsidertheworkingcurrentoftheconverter.21setthemaximumout
4、putfrequency,frequencyandtorquecharacteristicsoftheinverter.VPfTypeselectionincludesthehighestfrequency,basicfrequency,andtorquetype.HighestThefrequencyisthehighestfrequencythattheinvertermotorsystemcanoperatebecauseofthefrequencyconverterThehighestfrequencyofitselfmaybehigherwh
5、enthehighestfrequencyallowedbythemotorislowerthanthefrequencyconversionThehighestfrequencyofthemotorshallbesetaccordingtotherequirementsofthemotoranditsload.basicFrequencyistheboundarybetweentheconstantpowercontrolandconstanttorquecontrolofthemotorThelineshallbesetaccordingtothe
6、ratedvoltageofthemotor.ThetorquetypereferstotheloadConstanttorqueloadorvariabletorqueload?.UsersaccordingtotheinstructionsinthefrequencyconverterVPftypediagramsandloadcharacteristics,selectoneofthem.UniversalfrequencyconverterTherearemanyVPfcurvesforuserstoselect,andusersshouldu
7、setheloadaccordingtotheircharacteristicsChoosetherightVPfcurve.Ifthefanandpumpload,theinverterThetorqueoperationcodeissettovariabletorqueandtorquereductionoperationcharacteristics.InordertoimprovethechangeThelowspeedperformanceofthefrequencyconvertermakestheoutputtorqueofthemoto
8、rmeettheproductionloadThetorquerequiredtoadjust
