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1、浅谈变频器现场调试（Discussiononfielddebuggingoffrequencyconverter）Discussiononfielddebuggingoffrequencyconverter1IntroductionWiththecontinuousprogressofscienceandtechnology,theinverterisconstantlyupdated,replaced,upgradedandevolved,anditsapplicationisalsoincreasinglywidespread.Especiallythefrequency
2、control,energysaving,softstartandotherperformancesoffrequencyconverteraremoreandmorepopularwithcustomers.Astheuseroffrequencyconverter,itisveryimportantforthenormaloperationoftheinvertertoreducethemalfunctionandprolongtheservicelife.Basedonmanyyears'experienceinthetheoreticalresearchandprac
3、ticalapplicationoffrequencyconverter,theauthorhasprovidedsomefollowingdebuggingexperienceandexchangedviewswithcolleaguesinordertoattractalotofattention.2debugmainstepsTherearefivemajorstepstodebugaconverter.Investigationonfunctionof2.1frequencyconvertersystemBeforedebuggingthefrequencyconve
4、rsion,itisnecessarytoreadtheinstructionsandrelatedinformationoftheconverterandreadtheenvironmentandthemattersneedingattentioncarefully.Especiallyintheinverterbeforepower,tocarefullyobserveandcheckwhethertheinverterhasobvioussignsoffailure,suchasitsinputandoutputareconsistentwiththespecifica
5、tionsrequirements.Specialattentionshouldbepaidtowhethernewcontenthasincreased.2.2frequencyconverterinorganicno-loadoperationdebuggingThefollowingthreestepsarethemostbasicandthemostimportantdebuggingcontentsofthefrequencyconverter,whichisinorganic(i.e.,nomotorconnected)andno-load(thatis,with
6、outmotorload):(1)thegroundingterminaloftheconverterisgroundedandthepowerinputterminalisconnectedtothepowersupplythroughtheleakageprotectionswitch;(2)checkwhetherthefactorywindowofthefrequencyconverterdisplaywindowisnormalornot.Ifitisnotcorrect,itshouldbereset.Otherwise,thesupplierwillberequ
7、iredtoreturnit;(3)familiarwiththeoperationkeyoffrequencyconverter.Thegeneralinverterhasrun(run),stop(stop),prog(programming),data/enter(data/confirmation),up(increase),downsize(decrease)6keydefinitionsdifferentconverteroperationkeysarebasicallythesame.In
