变频器现场调试故障分析.ppt

ACS800-67TroubleShooting,现场常见问题分析及处理,准备工作,故障记录器(Faultlogger),警告和故障信息指示当有故障产生时，它会记录在故障历史里最近的警告及故障会有时间显示的故障记录器将保留64个最近的故障,ItispossiblecleartheselecteddriveFAULTLOGGER,Selecttherow(s)andupdateitems,ClicktheFaultLogger,FaultorWarningmessages,Desktoppreferences:FromCache:valuesarepickupfromtheOPCServercacheFromDevice=“allactualvaluesarepickupfromthedrivewithseparatecommands”.Itisnoton-lineandcauseslessloadforthecommunicationthanotherselections.Thusthecontentsofthefaultloggerarenotupdatedevenitisopenonthedesktop.Bydouble-clickingwithmousethefaultloggericonorbytheUpdateItems-buttonthecontentswillbeupdated.PUTON-LINE=isfulltimeandrealon-lineconnection.Thisisapplicablealsowiththeparametersandsignals.Butthiscausesmoreloadforthecommunication,whichshouldtakeintoconsiderationincasebycase.SeemoreinformationfromDriveWindowONLINEHELP,故障记录器(Faultlogger),Youcansetx-axislengthofthemonitororadataloggeratanytime.X-axislengthofadataloggercanalsochangeautomaticallywhenthedataloggerisuploaded.Note!Ifadataloggerhasneverbeenuploaded,DriveWindowdoesnotknowforsurethesizeofadataloggerchannelbuffer.ThusDriveWindowdoesnotdoanycheckingaboutthex-axislength,untilitknowsmoreaboutthedatalogger.Whensizeofthedataloggerchannelbufferisknown,DriveWindowdoesnotacceptimpropersettingofx-axislength.,Interval,whereyoucanchangetheloggingintervalofthecurrentdatalogger.,Pre-Trig(ms),whereyoucanchangethenumberofvalueskeptinthecurrentdataloggerbeforethetriggeringevent.Thevalueisgivenandshownastime,butthedataloggeractuallyusesacount.,TrigHysteresis,whereyoucanchangethetriggeringlevelhysteresis,whichisusedintriggeringthecurrentdatalogger.,TrigLevel,whereyoucanchangethetriggeringlevel,whichisusedintriggeringthecurrentdatalogger.,TrigConditions(fault,warning,leveletc).,TrigVariable,whereyoucanchangeOPCaddressofthevariable,whichisusedintriggeringthecurrentdatalogger.,Statusshowsthestateofthedatalogger.Double-clickingtogglesiton-line/off-line.TriggedByshowsthetriggeringreason,Scalechannel1;Twoscalingmethodsavailable.SamemethodselectedforMonitoringandDataloggerfromFILE-menu:Graph/Preferences.Changethescalebydouble-clickchannelnumber.,数据记录器(Datalogger),Selectthenewsignalbythemouse,Addthesignalintothedatalogger.Repeatpoints2and3withallfourchannels.Note!Youcannotspecifyusedchannel.DriveWindowdefinedusedchannelautomatically,Startdatalogger,WhenFILLED,uploaddata,DeleteexistingsignalsfromDataloggeronebyone,Makeyourdataloggersettings.Scalings,likeX-axislengthcanbedoneaftertheuploading,数据记录器(Datalogger),主开关（MCB）无法并网,可能原因：转子接线相序错误K4、K5控制继电器松动编码器信号未反馈或反馈错误,PC上的DriverWindow显示：GRIDSYNCFAILED故障无故障或MCBACKFAULT故障,主开关（MCB）无法并网,如何处理：更改转子接线相序检查继电器是否松动，接线是否正确检查编码器接线是否正确,MCB并网后迅速跳闸,可能原因：定子互感器接线错误检测开关（F8、F9）未合闸定子限流值设定太小转速太低变频器参数下载不全,PC上的DriverWindow显示：STATOROVERCURRENT故障无故障显示,MCB并网后迅速跳闸,如何处理：检查定子互感器接线闭合检测开关（F8、F9）检查参数30.04STATORCURRTRIP（正式并网是应将其设置为0）重新下载对应电机的参数,同步失败GRIDSYNCFAILED,可能原因：定子相序错误转子相序错误电网和定子电压检测不正确Crowbar故障,如何处理：正确连接定子转子的接线检查电压电流检测线路，更换NUIM-6X板检查/更换Crowbar,同步失败GRIDSYNCFAILED,常见定子相序错误波形,同步失败GRIDSYNCFAILED,常见转子相序错误波形,变频器报CrowbarTrip故障,可能原因：中间直流电压高于1210V参数20.21、20.22、30.09、30.10设置不正确Crowbar故障发电机故障,如何处理：启动后检查中间直流电压合理设置20.21、20.22、30.09、30.10参数检查Crowbar检查发电机,变频器报ISUTRIPPED故障,可能原因：转速太高或者太低造成中间直流电压高于1210VINU振荡（发电机尾部编码器故障或者受干扰）Crowbar故障发电机故障,如何处理：启动后检查中间直流电压检查编码器电缆到我柜体端子的接线及屏蔽层，更换编码器检查Crowbar检查发电机,变频器报ISUTRIPPED故障,常见编码器干扰波形,变频器报ISUCHARGINGFLT,可能原因：充电后中间直流电压不够高PPCClink故障（中间直流电压为0）进线保险熔断充电电阻或者充电保险熔断发电机故障,如何处理：检查中间直流环节是否有短路检查PPCClink相关环节检查进线保险检查充电保险和充电电阻（约5欧姆）检查发电机,变频器报ISUCHARGINGFLT,变频器报EARTHFAULT故障,可能原因：发电机有接地漏电流变频器有接地漏电流电缆、滑环等绝缘不好,如何处理：在允许的情况下，将30.03的值放大检查发电机、变频器的绝缘检查电缆和滑环的绝缘,现场总线通讯错误,由于在AMC-33送电之前给通讯适配器送电，造成了51组参数无显示重新下载参数后没有更改70组参数的节点地址错误的通讯配置,变频器报PPCCLINK1故障,可能原因：光纤未接好或者不纯净光纤分配单元NPBU故障AMC-33故障模块的AINT板、APOW板或者IGBT故障环境温度过低,NRED不正常,如何处理：检查光纤更换NPBU更换AMC-33更换模块内的AINT或者APOW或IGBT等待加热器工作，并使模块内部温度达到工作温度范围,变频器在送控制电后主控板不得电,可能原因：环境温度太低24V控制电源故障AMC-33主控板故障,如何处理：等待加热器加热完成后自动上电更换24V控制电源更换AMC-33主控