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高精度I-V测量系统HighPrecisionIV-MeasurementSystems-基础训练/BasicTraining-h.a.l.m.光伏产品培训讨论会/TrainingSeminarforh.a.l.m.PV-Productsh.a.l.m.elektronikGmbH,Frankfurt/Main-Germany131.05.2010/M.Meixner基础培训概要TrainingSeminar-Overview1.h.a.l.m.光伏产品h.a.l.m.PV-Products•cetisPV-CT-L1IV特性曲线三象限负载示踪器IUCurvetracer,3Quadrantactiveload•cetisPV-BI连接分选机的数字接口界面digitalInterfacetoCellsorter•cetisPV-XF2符合IEC-3A级标准氙灯闪光源IECclassAAAXenonCellflasher2.太阳能电池IV特性测量基本原理IV–measurementonSolarCells–fundamentals3.PVCTControl应用软件包4.测量部分与电池分选机集成IntegrationofmeasurementcomponentsinCellsorters•与电池分选机连接的接口和布线图Cablingandinterfacingwithcellsortermachinery•配置(软件安装,测量参数设置)Configuration(softwaresetups,measurementparameters)5.系统维护SystemService•定期校正测量系统(校正、重复性和可再生性测试)RecurrentChecks(calibration,R&Rtests)•定期维护(探针、过滤网、闪光灯、自制子标准片)Recurrentmaintenance(contacting,filtersystem,flashtube,generationofsilver/daughtercells)•故障诊断和维修Troubleshooting21.h.a.l.m.光伏产品h.a.l.m.PV-Products3h.a.l.m.系统概览Overviewoftheh.a.l.m.System测量设备Measurementequipment:•配置有测量组件的19英寸机柜19-inchcabinetwithmeasurementcomponents•操作控制台Operatorconsole419英寸机柜19-inchcabinet曲线示踪仪cetisPV-CT-L1(Curvetracer)测量操作计算机MeasurementPC光源控制器cetisPV-XF2-C(Flashcontrollerunit)光源调整器cetisPV-XF2-R(Flashregulatorunit)光源供电装置cetisPV-XF2-P(Flashpowerunit)5I-V特性曲线示踪器cetisPV-CT-L1IV-CurvetracercetisPV-CT-L1•系统模块化设计，可靠性高，因为具有连续的系统监控和过载保电路（用于保护电池接触、太阳能电池、电子负载）。Modularsystemdesign,highlyreliableduetopermanentsystemmonitoringandoverloadshutdowncircuitry(fortheprotectionofthesolarcell,thecellcontactsandtheelectronicload).•可选择各种电子测量范围。Variousmeasuringrangesselectableelectronically.•全16位设计（3xAD高分辨率转换器)，电流，电压和日照光强同时测量Fully16-bitdesign(3AD-converters)forhighresolution,timesynchronousmeasurementsofcurrent,voltageandinsolation.•三象限I-V和电阻测量（反向暗场，正向亮场和暗场）3-Quadrantversion(LightForward,DarkForwardandDarkReverse)forreliableIVandresistancemeasurements.•储存校准数据在硬件中以便于维护Storageofcalibrationinthehardwareitselfforeasyservice.6技术参数cetisPV-CT-L1TechnicalDataofthecetisPV-CT-L11.I-V测量范围IVmeasurementranges•测量范围选择Electronicrangeselection电压/voltage:±1,0/2,0/4,0/10,0/20,0V电流/current:±2,0/4,0/10,0/20,0A±16/32/80/160mA•电子负载范围Electronicloadrange-16V~+4V.2.测量时间Measurementtiming•非常灵活地设置测量时间，正反向象限中的测量点数目和闪光触发器的延迟时间。Flexiblesetupofmeasurementtime,numberofdatapointsforeachmeasurementanddelaytimeafterflashtrigger.•最快测量速度每个测量点35微秒，每象线最多可以测量512测量点。例如200个测量点需要7毫秒的测量时间。Fastestspeedis20µsperdatapointandupto512datapointsforeachmeasurement.7技术参数cetisPV-CT-L1TechnicalDataofthecetisPV-CT-L13.测量通道Measurementchannels•电压和电流（2x16位分辨率)VoltageandCurrent(2x16-bitresolution)•通过外部的监控电池测量辐射照度（16位分辨率)Insolationviaexternalmonitorcell(16-bitresolution)•监控电池的温度（PT100）（12位分辨率）Temperatureofmonitorcell/PT100(12-bitresolution)•太阳能电池的温度/红外线测温仪（12位分辨率)Temperatureofsolarcell/pyrometer(12-bitresolution)4.与测量操作计算机的连接Interfacingtomeasurementcomputer•USB接口(光电隔离)USBinterface(opto-isolated)•高速度数据传输和远程控制Highspeeddataandremotecontrol5.微处理器接口(例如闪光的触发器)Processinterface(Triggeringofflash/PLCcommunication)•数字式I/O8+8通道(光电隔离)DigitalI/O8+8channels(opto-isolated)8技术参数cetisPV-CT-L1TechnicalDataofthecetisPV-CT-L1太阳模拟器cetisPV-XF2–IEC60964-9Ed.2标准3A级太阳模拟器classAAAsunsimulatoraccordingtoIEC60964-9Ed.2•光强不均匀性:±2%(IEC60964-9Ed.2-ClassA)Nonuniformityoflight•光谱Spectralmatch:AM1.5(IEC60964-9Ed.2-ClassA)•连续光不稳定性:±0,5%(IEC60964-9Ed.2-ClassA)Temporalstability•辐射面积:220x220mmIlluminationarea•光强范围:10...110mW/cm²totalinsolation•光强曲线:可编程的，线性的，多级式的Lightcurve5...20/59ms(取决于型号)programmable,linear,multilevel,5...59ms(dependingontheversion)•灯源使用寿命:500.000次,取决重复率和周期时间Lamplifetimedependingonrepetitionrate&cycletime•重复率:低于1.3秒(高速型),低于2.5秒(标准型)Repetitionratebetterthan1.3sec(Highspeedversion)betterthan2.5sec(Standardversion)•远程控制:触发器信号传输,USBV2.0接口RemotecontrolTriggersignal/USB2.09连接Baccini分选机的接口界面InterfacetoBaccinisortercetisPV-HBI•连接Baccini分选机的I/O接口InterfacingtoBaccinicellsortersdigitalI/O.•与ICOS类型视觉系统连接的并行接口InterfacingtoICOStypevisionsystemswithparallelinterface•在维修状态下,使用逻辑分析仪转接口执行时间和通讯诊断Adapterforlogicanalysertoperformtimeandcommunicationdiagnosisinservicecases.102.I-V特性测量基本原理IV-measurements-fundamentals111.3象限3quadrantsQ1,Q2,Q3L&H2.IV曲线Lf(Q1)IV-CurveLf(Q1)亮场正向测量Lightforwardmeasurement3.IV曲线Dr(Q2)IV-CurveDr(Q2)暗场反向测量Darkreversemeasurement4.IV曲线暗场正向(Q3H)IV-CurveDarkforward(Q3H)暗场正向测量Darkforwardmeasurement5.IV曲线暗场正向(Q3L)IV-CurveDarkforward(Q3L)暗场正向测量Darkforwardmeasurement6.串联电阻RserLfDf亮场和暗场正向的串联电阻SerialresistancefromLf&Df7.串联电阻RserIEC891依据IEC891标准测量的串联电阻SerialresistanceaccordingtoIEC8918.并联电阻测量shuntresistancemeasurements不同的测量方法Differentmeasurementmethods9.串联电阻测量serialresistancemeasurements不同的测量方法DifferentmeasurementmethodsI-V特性测量基本原理IV-measurements-fundamentalsQ1亮场正向(Lf)Q1–LightForward(Lf)Q3H暗场正向(Df)在高电流范围内确定串联电阻RserQ3H–DarkForward(Df),todetermineRserinhighcurrentrangeQ2暗场反向(Dr)确定并联电阻RshuntQ2–DarkReverse(Dr),todeterminationRshuntIVQ3L暗场正向(Df)在低电流范围内确定并联电阻RshuntQ3L–DarkForward(Df),todetermineRshuntinlowcurrentrange12IV特性测量-IV曲线Lf(Q1)IV-measurements–IV-CurveLf(Q1)Q1亮场正向(Lf)Q1–LightForward(Lf)Q3Q2IscUocPmppImppUmppRshuntLfRserLf13转化效率∗