西门子6SG70系列变频器应用操作手册

1、3Description 说明3.1Applications 应用SIMOTRASHDconvertersinthe6SG70seriesarefullydigitalcompactconvertersandhavebeen developedforregulatingthree-phaseliftinggearmotorswithslipringrotorsintheoutputrangeupto580kWandforhigher-levelcontrolofthedrive.SIMOTRASHD变频器在6SG70系列中是完全数字小型变频器，已经发展到调节三相的带有滑环转子的提升齿轮电机，输

2、出范围达到580kW，并且发展到了传动的高级控制。For-liftinggear 提升齿轮-slewinggear 快速定向齿轮-luffinggear 上下摆动齿轮-trolleytravelgear 手摇升降齿轮-travelgear 升降齿轮-auxiliary-rangegearboxes 辅助范围减速机Thebenefitsare: 优点是-veryefficientdriveunitsolutionsinoldersystems 在旧系统中非常有效的传动装置方案-extremelysimpleretrofittingresultinginsignificantimprovement

3、stoexistingsystems 相当简单，式样翻新导致当前系统有意义的改进。-lowmodernizationcostsasexistingcomponentssuchasmotors,resistors,cablesand cabinetscancontinuetobeused 低现代化成本，象当前配件如电机，电阻，电缆和柜子仍可继续使用。-fast,variableanduser-friendlysolutionwithlowsystemstandstilltimes 快速，多样，用户友好界面方案，很低的系统停机次数。-verycost-effectivesolutionfornew

4、systems 对新系统来说非常有成本效益的方案。-lowrequirementsforcontactorcontrolsandexternalinterlocks,asimportantcontrolfunctions arealreadyintegrated 对接触器控制和外部联动装置要求较低，因为重要的控制功能已被集成。-littleplanningandconfigurationworkrequired 很少需要的计划与配置工作。-cost-savingduetoshortassemblyandcommissioningtimesthankstoconnection-ready com

5、pactconvertertechnology 由于连接准备变频器技术，组装与调试次数较短，这样旧节省了成本。-verysmoothtravel,whichhelpspreventsystemwear 移动非常顺畅，这样可以帮助防治系统磨损。-veryhighlevelofcontrolqualitybyutilizingtheparticularelectricaladvantagesoftheslipring motor 通过利用滑环电机特殊的电气优点，使控制质量非常高级。-veryhighlevelofcontroldynamicswiththeuseofstatorphase-angl

6、econtrol 通过使用定子相位角度控制使控制动力非常高级。-allstandardliftingcomponentsandinterfacescanbeused 所有的提升配件与界面都可使用。- nospecialtechnologiesrequired!- 无特别的工艺要求。3.2Design 设计Series6SG70SIMOTRASHDconvertersarecharacterizedbytheircompact,space-saving construction.Theircompactdesignmakesthemparticularlyeasytoserviceandmain

7、tainsince individualcomponentsarereadilyaccessible.Theelectronicsboxcontainsthebasicelectronic circuitryaswellasanysupplementaryboards.6SG70SIMOTRASHD系列变频器的特点是小型能充分利用空间的建筑。因为工业配件易于购买，所以小型设计使它们特别易于服务与维护。电子盒包括基本电子电路，也包括补充板。AllSIMOTRASHDconvertersareequippedwithaPMUsimpleoperatorpanelmountedinthe conve

8、rterdoor.Thepanelconsistsofafive-digit,seven-segmentdisplay,threeLEDsasstatus indicatorsandthreeparameterizationkeys.ThePMUalsofeaturesconnectorX300withaUSS interfaceinaccordancewiththeRS232orRS485standard.Thepanelprovidesallthefacilitiesfor makingadjustmentsorsettingsanddisplayingmeasuredvaluesrequ

9、iredtostartuptheconverter.所有的SIMOTRASHD变频器都配有安装在变频器们上的PMU简单操作员控制面板。该面板包括五个一组的数字，七段显示，三个作为状态指示的LED和三个参数键。PMU带有一个USS界面，符合RS232或RS485 标准，也是连接器X300的特点。该面板对调整或设定与显示测量值需要启动变频器提供了所有的工具。TheOP1Soptionalconverteroperatorpanelcanbemountedeitherintheconverterdoororexternally,hecubicledoor.Forthispurpose,

10、itcanbeconnectedupbymeansofa5mlong cable.Cablesofupto200minlengthcanbeusedifaseparate5Vsupplyisavailable.TheOP1SisconnectedtotheSIMOTRASHDviaconnectorX300.OP1S可选择的变频器操作面板可安装于变频器的门上，也可安装于外部，例如装在控制规定门上。出于这个目的，它可以用一条5米长的电缆连上。如果一个单独的5v电源可用，那么就可使用200米长的电缆。OP1S通过连接器X300连接到SIMOTRASHD。TheOP1Scanbeinstalleda

11、saneconomicalternativetocontrolcubiclemeasuringinstruments whichdisplayphysicalmeasuredquantities.出于经济上的选择可以安装OP1S来控制控制柜中显示物理测量数量的测量工具。TheOP1SfeaturesanLCDwith4x16charactersfordisplayingparameternamesinplaintext. GermanandEnglishcanbeselectedasthedisplaylanguages.TheOP1Scanstoreparametersetsforeasyd

12、ownloadingtootherdevices.OP1S的特点是在正文中有一个4x16字符的显示参数名称的LCD。可以选用德语或英语作为显示语言。OP1S可以存储参数组，以易于下载到其他装置。SIEMENSAG 6SG7000-0BA763-1SIMOTRASHD Operating InstructionsDescription 说明TheconvertercanalsobeparameterizedonastandardPCwithappropriatesoftwareconnectedtotheserialinterfaceonthebasicunit.ThisPCinterfacei

13、susedduringstart-up,formaintenance duringshutdownandfordiagnosisinoperation.Furthermore,convertersoftwareupgradescanbe loadedviathisinterfaceforstorageinaFlashmemory.变频器也可以在一台带有适当软件，在基础装置上连接到系列界面的PC上参数化。该PC界面在启动，停工过程中维护和操作中诊断时可以使用。另外，变频器软件升级可以通过该界面下载以存储在闪存内。Thepowersectionisconstructedofisolatedthyr

14、istormodules.Theheatsinkisthuselectrically isolated.Thehousingandterminalcoversonpowerconnectionsprovideprotectionagainstaccidentalcontactforoperatorsworkinginthevicinity.Allconnectingterminalsareaccessiblefrom thefront.电源部分配置有绝缘的半导体闸流管模组。热接收器因此被电气隔离。电源连接上的外壳与端子盖，当操作员在附近操作时防止意外接触。所有端子从前面都是可以达到的。Thep

15、owersectioncoolingsystemismonitoredbymeansoftemperaturesensors. 电源部分冷却系统通过温度传感器监测。3.3Modeofoperation 操作模式3.3.1Converterdesign 变频器设计SIMOTRASHDisafullycontrollable,three-phasethyristorpowercontrollerwhichusescompact convertertechnologyTheconverterisusedtoadjustandcontrolthree-phasemotorswithslipring r

16、otorforliftinggeardrivesItissuitableforsingleandmulti-motordrives.SIMOTRASHD是完全可控制的，三相半导体闸流管电源控制器，它使用小型变频器技术。该变频器用于调整和控制带滑环转子的三相电机来提升齿轮传动。它适用于单一或多电机传动。Twoadditionalthyristormodulesintheshuntarmofthepowersectionfacilitatethetorque switchoverandthusthe4Qoperationofthedrive.Usingtheauto-reversingstage,

17、thephasesequenceontheconverteroutputiselectronicallyreversed.Dependingontheloadconditions,the converterfunctionsinplugbrakingmode(braking)oritdrivesthemachineintheotherdirectionof rotation(driving).Adrivingcyclethatisbothhighlydynamicandgentleispossiblebecausethe conventionalstatorcontactorisnolonge

18、rrequired.电源部分的分流臂里的两个额外的半导体闸流管模组促进扭矩转换并因此进行传动的4Q操作。使用自动逆转阶段，变频器输出上的相序被电子逆转。依靠符合条件，变频器在反相序制动模式下运行或驱动机器在另一个方向的转动。一个推进周期就是可能高动态，因为不再需要常规的定子接触器。Thevoltageonthemotorisadjustedusingthestatorphase-anglecontrolfromthreeinverse-parallelthyristorpairs.Inthisprocess,thesupplyfrequencyofthemotorisnotchanged;it

19、isalways identicaltotherelevantmainsfrequency.电机上的电压是通过使用来自三组逆转平行半导体闸流管的定子相角度控制来调整的。在此过程中，电机的供应频率是不变的。它总是与相关的主频率相同。Thethyristorsarecontrolledbythegatingunit.Thisgeneratesline-synchronousfiringpulses.The controlelectronicsareseparatedfromthelinepotentialbyignitiontransducers.Theoperatingstatesaredisp

20、layedontheunitviathe7-segmentdisplayandLEDsorviatheoptionalOP1Soperatorcontrolpanel.半导体闸流管是由门控装置控制的。这个产生线同步起始脉冲。该控制电子是由点燃传感器从线电压中分离出来的。该操作状态通过7节显示和LED或通过可选择的OP1S操作控制面板显示在装置上。Allconvertersettings(e.g.controllerparameters,limitvalues,etc.)aresavedinnon-volatilememoryintheconverter.Theadjustmentismaded

21、igitallyviatheconvertercontrolpanelorviatheoptionalOP1Scontrolpanel.<Thevaluescanthereforebeeasilyreproducedatanytime.所有的变频器设定（如控制器参数，限定值等）被保存在变频器内的非易失性的存储器中。该调整通过变频器控制面板或通过可选择的OP1S控制面板来变成数位。<该数值因此可以很容易的在任何时间被再生。SIMOTRASHDcombinestwotraditionalproceduresforadjustingthespeedofasynchronous machi

22、nes:SIMOTRASHD结合了两个额外的程序，用于调整异步机器的速度：-changingthemotorvoltageusingthestatorphase-anglecontrol 用定子相位角度控制来变换电机电压- gradientofmotorcharacteristiccurveusingvariablerotorresistances- 电机特性曲线的坡度使用可变转子电阻。Thiscombinationpermitsexcellentcontrolresponsewheretheadvantagesofbothproceduresare exploitedandthedisadv

23、antagesarelargelyavoided.Bothproceduresaredescribedbelow. 这个联合允许在两个程序的优点被开发出来的地方极好的控制响应，并且极大的避免了缺点。两个程序描述如下：3-2SIEMENSAG 6SG7000-0BA76SIMOTRASHD Operating InstructionsDescription3.3.2Speedcontrolusingstatorphase-anglecontrol 速度控制采用定子相位角度控制Theamplitudeofthefundamentalwaveofthesupplyvoltageischangedus

24、ingthestatorphase- anglecontrol.Withaconstantlyascendingrampforthesetpointvoltagefromzerotomaximum activation,thecontrolangleandthereforethevoltagetime-areaarecontinuallyincreased.This increasesthemotorvoltage(UM)continuallyandthedriveistherebyslowlyaccelerated.ThemotorM .torqueincreasesproportional

25、lytoU2 供应电压的基波的振幅是通过使用定子相位角度控制来改变的。设定值电压用一个恒定上升的斜坡从0到最大值，因此控制角度和电压时间区域就会 持续增加。这不断的增加了电机电压(UM)，传动因此慢慢的加速。电机力矩按比例增加到了U2 相位角度控制 电机 负荷 主群组MainsPhase-anglecontrolMotorMMM3LoadnMLFigureSimplifieddrivediagramwithstatorphase-anglecontrolandasynchronousmachineunderload 带有定子相位角度控制与负载下的异步机器传动简图N 可能存在的负荷特性Possi

26、bleloadcharacteristicMnn电机特性MotorcharacteristicsnMM*MM*Withdirectstart-up:-simplesquirrel- cagerotor-doublesquirrel-cagerotorn0=Synchronousspeed 同步速度nN=Speedatnominalworking公称运转下的速度point nK=Speedatpull-outtorque 拉出力矩的速度MK=Pull-outtorqueofsimplesquirrel-cagerotor简单的松鼠笼转子拉出力矩MS=Torqueatdip 浸渍力矩MA=Star

27、t-uptorqueofsimplesquirrel-cagerotor withoutstatorphase-anglecontrol无定子相位角度控制的简单松鼠笼转子启动力矩ML=Loadtorque 负载力矩MM=Motortorque 电机力矩MA*=Start-uptorquewithstatorphase-anglecontrol带有定子相位角度控制的启动力矩M*=Temporarymotorcharacteristic临时性电机特性MB*=Accelerationtorque 加速度力矩0M*MMMMFigureSimplifiedcharacteristiccurveofthe

28、asynchronousmachinewithstatorphase- anglecontrolforadirectionofrotation/torquedirection 在某一转动、力矩方向，带有定子相位角度控制的异步机器简单化的特性曲线M*=temporarilyeffectivemotorcharacteristic(dottedline)forasinglesquirrel-cagemotorwith statorphase-anglecontrol带有定子相位角度控制的单一松鼠笼电机的临时性有效的电机特性（带点的线）MB*=Accelerationtorqueofthedrive

29、providesthespeedramp-up.Derivedfromthepresent differenceMMML.TheaccelerationtorqueMBeffectiveacrosstheentirerangeisshownastheshadedareainthefigure.传动的加速度力矩提供速度斜坡。来自当前的偏差MMML。加速度力矩MB被实施的全部范围显示在图表的阴影区域。MA*=Start-uptorqueofthemotorsetbythestatorphase-angle.Inordertostart,MA*mustbe largerthantheloadtorq

30、ueML. 电机的启动力矩把定子相位角度留开。为了启动，MA*必须比负荷力矩ML大。SIEMENSAG 6SG7000-0BA763-3SIMOTRASHD Operating InstructionsDescription3.3.3 Speedcontrolbychangingtherotorresistancelevels通过改变转子电阻级别来进行速度控制Thetorquecanbeinfluencedbyswitchingonanadditionalohmicresistanceintherotorcircuitin theasynchronousmotor.Todothis,howev

31、er,anasynchronousmachinewithaslipringrotorisrequired.Startingwiththecharacteristiccurveforasquirrel-cagemotor,thegradientsofthespeed- torquecurvesincreaseastheresistanceintherotorcircuitincreases.Thelevelofthepull-outtorqueMKremainsconstant.力矩可以通过接通一个额外的异步电机中转子电路的欧姆电阻来改变。但是，要这样做就需要使用一个带有滑环转子的异步机器。以松

32、鼠笼 式电机的特性曲线开始，速度坡度的力矩曲线随着电阻在转子电路中的增加而增加。拉出力矩MK的级别仍然不变。ThismeansthatataspecificloadtorqueML,thevariousconstantspeedsn2,n3orn4canbeset.Iftheloadchanges,thespeedincreasesaswell. 这就是说，在某个特定的负荷力矩ML，可以设定不同的恒定速度n2,n3或n4。如果负荷改变，速度也会增加。 速度 如：恒定的负荷力矩 极限力矩SpeednE.g.constantloadtorqueBreakdowntorques=0nNn2 n3 n

33、4短路转子电机的电机特性Motorcharacteristicofa short-circuitrotormotor 不同转子电阻下的电机特性曲线Motorcharacteristiccurvesatvariousrotor resistances 电机力矩s=10MLMKMotortorqueMMFigureSpeed-torquecharacteristiccurvesatdifferentrotorresistances 不同转子电阻下的速度力矩特性曲线Whenchangingthespeedusingadditionalrotorresistances,theRotoroutputP2

34、V=rotorpowerinputPd*slipsislargelyconvertedintoheatintheexternalresistor.Thispreventsexcessiveheatingofthemotor whenrunningforextendedperiodsatlowspeed.当用额外的转子电阻改变速度时，转子输出P2V=转子功率送输入Pd*slips很大程度上转换成外部电阻 中的热量。这可以防止电机在低速延时运转时热量过多。3-4SIEMENSAG 6SG7000-0BA76SIMOTRASHD Operating InstructionsDescription3.

35、3.4 Methodofoperationofelectronicphasereversalwithplugbraking使用反相序制动来进行电子逆相位操作的方法Thedrivestartsupwiththepositivespeedandstabilizesatpointa.Aconstantloadprofileisassumedduringthisprocess.Ifalowersetpointorasetpointwiththeoppositepolarityisconnected wheninthisstate,theSIMOTRASHDwillbeswitchedtocounter

36、-torqueoperation.Thethyristorsthatarecurrentlyconductingfortheclockwiserotatingfieldarefirstblocked.Thethyristorsforthe anti-clockwiserotatingfieldarethenfired.Thischangesthephasesequenceontheoutputterminalstoproduceanewdirectionofrotation,pointb.传动以正速度启动并且在a点稳定。假定在这个过程中负荷外形是恒定的。如果在这种状态下连接了一个较低的设定值或

37、一个负极设定值，SIMOTRASHD将被切换到反力矩操作。然后半导体闸流管逆时针转动区域被激活。这改变了输出端子上的相序来产生一个新的转动方向b点。Themotorthenstartsplugbrakingandreducesitsspeed.然后电机启动反相序制动并降低它的速度。Aslipvalues=2existsonthemachineimmediatelyfollowingtheswitchoverfrommotoroperationatpointawiththespeedn=nNtobrakingoperationatpointb.Withadirectswitchoveratful

38、l supplyvoltage,themotorcurrentwouldnowbegreaterthanthestart-upcurrent(slips=1,maximumcurrent).SIMOTRASHDthereforeautomaticallyreducesthemotorvoltageatthispoint, therebylimitingthemaximumcurrent. 根据来自a点上速度n=nN的电机操作转换，一个滑动值s=2立即在机器上存在以制动b点上的操作。在最高供应电压下直接转换，现在电机电流将比启动电流大(slips=1,最大电流)。因此，SIMOTRASHD在该点

39、自动降低电机电压，从而限制了最大电流。s=2+nMload=const.n0Clockwisefield 顺时针区域NnbaPlug brakingn=0-M-MLPositive正torqueML+M 逆时针区域Anti-clockwisefield-nN-nFigureSpeed-torquecharacteristiccurvesatphasereversal 逆相位速度力矩特性曲线SIEMENSAG 6SG7000-0BA763-5SIMOTRASHD Operating InstructionsDescription3.3.5SIMOTRASHDcontrolcharacterist

40、icsforliftinggearSIMOTRASHD 上升传动的控制特性BrakingLift 制动上升+nFullloadcurveLift全负荷曲线DrivingLift传动上升%10080K60S4*S3S240%-MS1-140-100-60-2020-20S1*2060100140180%+M-40S2-60S3-80KS4*-120%DrivingLower-nFullloadcurveLowerBrakingLower制动降低 传动降低.SIMOTRASHDcontrolrange SIMOTRASHD控制范围K.Characteristiccurvesforcounter-t

41、orqueoperation(plugbraking),i.e.delayloweringwithoverhaulingloadsordelaylifting whenactivecounter-torqueoperationrequested 反抗力矩操作的特性曲线（反相序制动）如当需要激活反抗力矩操作时用大修负荷来延迟降低或延迟上升。S2,S3,S4.Characteristiccurvesforopen-loopoperation 开环操作特性曲线*.Useofcurrentlimiting(e.g.Imax=2*IN) 限流的使用（如Imax=2*IN)Upto4rotorresist

42、anceswitchingstagescanbeprovided.Withlessthan4stages,theupperstages(S3/S4)remainfree. 等于可以提供4个转子电阻切换阶段。少于4个阶段，较高级的阶段(S3/S4)仍然空闲着。3-6SIEMENSAG 6SG7000-0BA76SIMOTRASHD Operating InstructionsDescription3.3.6SIMOTRASHDcontrolcharacteristicsfortravelgearSIMOTRASHD 行进传动的控制特性 顺时针制动 逆时针驱动+nBrakingClockwiseD

43、rivingClockwise%10080K60S3*S240%-MS1-140-100-60-2020-20KS1*2060100140180%+M-40S2-60S3-80*DrivingAnti-clockwise-120%-nBrakingAnti-clockwise 逆时针驱动 逆时针制动.SIMOTRASHDcontrolrange 控制范围K.Characteristiccurvesforcounter-torqueoperation(plugbraking)S3.Characteristiccurveforopen-loopoperation开环操作特性曲线*.Useofcur

44、rentlimiting(e.g.Imax=2*IN)限流的使用（如Imax=2*IN)Upto4rotorresistanceswitchingstagescanbeprovided.Withlessthan4stages,theupperstages(S3/S4)remainfree.等于可以提供4个转子电阻切换阶段。少于4个阶段，较高级的阶段(S3/S4)仍然空闲着。SIEMENSAG 6SG7000-0BA763-7SIMOTRASHD Operating InstructionsDescription3.4Technicaldata 技术数据60Ato180Aconverters,3

45、AC110Vto500V60Ato180A变频器，3AC110Vto500VOrderNo.序号6SG70.-0EB60-0505255606265Ratedsupplyvoltage V额定供应电压powersection功率部分RatedfrequencyHz额定频率3AC110V10%to3AC500V+10%50/60HzConvertersself-adapttothefrequencyoftheavailable supplyvoltageintherangefrom45to65Hz.变频器在45到65Hz的范围内自适应可用的供应电压频率Ratedcurrentof额定电流A607

46、898112142180RatedelectronicsVsupplyvoltage额定电子供应电压2AC380(-25%)to460(+15%);In=1Aor1AC190(-25%)to230(+15%);In=2A(35%for1min)FanratedsupplyVVoltage风扇额定供应电压-DC24VInternal 内部内部Overloadcapability过电压能力20sduration持续时间:I=2*In then70sduration:I=In then60sduration:I=0A(cycletime150s)PowerlossatratedWcurrent(ap

47、prox.)额定电流下的功率损耗272306386439500630Minimumload最小负荷A366677Operationalambient°Ctemperatureatrated current额定电流下的运作周围温度0to45self-cooled自冷却0to40forced-cooled1)强制冷却Upperlimittemperature°Cwithcurrentderating电流降级的上极限温度5550Coolingairrequirementm3/h冷却空气要求-100SoundpressureleveldBA噪音级别-40Storageandtran

48、sport°CTemperature储存与运输温度-25to+70Installationaltitudeabovesea level安装高度在海平面以上£1000matratedcurrent在额定电流下£1000mmax.3500mwithvoltageandcurrentreduction2)电压与电流降低EnvironmentalclassDINIEC721-3-3 环境等级3K3DegreeofprotectionDIN40050IEC144保护等级IP00Dimensions 尺寸Seedimensiondrawings 见尺寸图Weights(app

49、rox.)重量kg161616161717Explanationatendoflistoftable3-8SIEMENSAG 6SG7000-0BA76SIMOTRASHD Operating InstructionsDescription225Ato900Aconverters,3AC110Vto500VOrderNo.序号6SG70.-0EB60-0707276808285RatedsupplyvoltageV额定供应电压powersectionHz功率部分Ratedfrequency 额定功率3AC 110V 10% to 3AC 500V +10%50/60HzConvertersse

50、lf-adapttothefrequencyoftheavailable supplyvoltageintherangefrom45to65Hz.变频器在45到65Hz的范围内自适应可用的供应电压频率Ratedcurrentof额定电流A225285360525680900RatedelectronicsVsupplyvoltage额定电子供应电压2AC380(-25%)to460(+15%)In=1Aor1AC190(-25%)to230(+15%)In=2A(35%for1min)FanratedsupplyVvoltage风扇额定供应电压FanratedcurrentA风扇额定电流3AC

51、400±15%50Hz3AC460±10%60Hz3AC400±10%50Hz3AC460±10%60HzOverloadcapability超载能力20sduration:I=2*In then70sduration:I=In then60sduration:I=0A(cycletime循环时间150s)PowerlossatratedWcurrent(approx.)额定电流下的功率损耗83910201300182728903550Minimumload最小负荷A101010151515Operationalambient°Ctempera

52、tureatrated current额定电流下的运作周围温度0to40forced-cooled1)强制冷却Upperlimittemperature°Cwithcurrentderating电流降级的上极限温度50Coolingairrequirementm3/h冷却空气要求57014002400SoundpressureleveldBA噪音等级7388Storageandtransport°CTemperature储存与运输温度-25to+70Installationaltitudeabovesea level安装高度在海平面以上£1000matratedc

53、urrent 在额定电流下£1000mmax.3500mwithvoltageandcurrentreduction2)电压与电流降低EnvironmentalclassDINIEC721-3-3周围环境等级3K3DegreeofprotectionDIN40050IEC144保护等级IP00Dimensions尺寸Seedimensiondrawings见尺寸图Weights(approx.) 重量kg3030304585137ExplanationatendoflistoftablesSIEMENSAG 6SG7000-0BA763-9SIMOTRASHD Operating InstructionsDescription42Ato125Acontrollers,3AC110Vto500V(H78)OrderNo.序号6SG70.-0EB60-0-Z.Z=H78505255606265RatedsupplyvoltageV额定供应电压powersectionHz功率部分Ratedfrequency额定频率3AC110V10%to3AC500V+10%50/60HzConvertersself-a