QJ 1859.5-1990 管理信息系统总体标准 屏幕设计规范
时间:2024-04-29 10:57:28 来源: 标准资料网 作者：标准资料网 阅读：8112
基本信息
| 标准名称： | 管理信息系统总体标准 屏幕设计规范 |
| 中标分类： |
航空、航天 >>
航空、航天综合 >>
电子计算机应用 |
| 发布日期： | 1990-01-13 |
| 实施日期： | 1990-12-06 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 13页 |
适用范围
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前言
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引用标准
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所属分类： 航空 航天 航空 航天综合 电子计算机应用
【英文标准名称】:Photovoltaicdevices-Part10:Methodsoflinearitymeasurement
【原文标准名称】:光伏器件第10部分:线性测量方法
【标准号】:IEC60904-10-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC82
【标准类型】:()
【标准水平】:()
【中文主题词】:光电电池;太阳能电池;电气工程;硅;线性度;光电池;光伏电池;测量;太阳能动力装置;测量技术;太阳能;太阳能;光电器件;光电器件
【英文主题词】:Electricalengineering;Linearity;Measurement;Measuringtechniques;Photoelectriccells;Photoelectricdevices;Photovoltaiccells;Photovoltaics;Silicon;Solarcells;Solarenergy;Solarpower;Solar-powereddevices
【摘要】:ThispartofIEC60904describesproceduresusedtodeterminethedegreeoflinearityofanyphotovoltaicdeviceparameterwithrespecttoatestparameter.Itisprimarilyintendedforusebycalibrationlaboratories,modulemanufacturersandsystemdesigners.Photovoltaic(PV)moduleandsystemperformanceevaluations,andperformancetranslationsfromonesetoftemperatureandirradianceconditionstoanotherfrequentlyrelyontheuseoflinearequations(seeIEC60891andIEC61829).Thisstandardlaysdownthelinearityrequirementsandtestmethodstoensurethattheselinearequationswillgivesatisfactoryresults.Indirectly,theserequirementsdictatetherangeofthetemperatureandirradiancevariablesoverwhichtheequationscanbeused.ThemethodsofmeasurementdescribedinthisstandardapplytoallPVdevicesandareintendedtobecarriedoutonasampleoronacomparabledeviceofidenticaltechnology.Theyshouldbeperformedpriortoallmeasurementandcorrectionproceduresthatrequirealineardevice.ThemethodologyusedinthisstandardissimilartothatspecifiedinIEC60891inwhichalinear(straight-line)functionisfittedtoasetofdatapointsusingaleast-squaresfitcalculationroutine.Thevariationofthedatafromthisfunctionisalsocalculated,andthedefinitionoflinearityisexpressedasanallowablevariationpercentage.Adeviceisconsideredlinearwhenthefollowingconditionsaremetoverthetemperatureandirradiancerangeofinterest.Typically,thisrangeoftemperatureis25℃to60℃minimum,andtheirradiancerangeof700W·mto1000W·mminimum.a)Forthecurveofshort-circuitcurrentversusirradiance,thenormalizedstandarddeviationoftheslope(σs/m)shouldbelessthan0,02.b)Forthecurveofopen-circuitvoltageversusthelogarithmofirradiance,thenormalizedstandarddeviationoftheslope(σs/m)shouldbelessthan0,05.c)Forthecurveofopen-circuitvoltageandshort-circuitcurrentversustemperature,thenormalizedstandarddeviationoftheslope(σs/m)shouldbelessthan0,1.d)Thevariationofrelativespectralresponseataspecifiedvoltageislessthan5%forthewavelengthband.NOTE1-ManyoftheIECPVstandardsrequirespectralmismatchcorrectionswhichinturnrequirespectralresponsemeasurements.Therefore,thelinearityofspectralresponsewithrespecttotemperatureandirradianceisimportant.Itcanalsobesignificantfornewtechnologiessuchasphotochemicalcells.NOTE2-Becausetherelativespectralresponseofsomedevicessuchasamorphoussiliconvariesconsiderablywithvoltage,itisimportantthatthelinearitydeterminationbeperformedatafixedvoltage.Thevoltageselectedisgovernedbytheultimateusage.Vmaxmaybeselectedifthemaximumpowerregimeistheareaofinterest,andforcalibrationzerobiasvoltagemightbemoreappropriate.NOTE3-Itshouldbenotedthattherelativespectralresponseofsomedevicesvarieswithtemperatureandirradiance.Someoftheseeffectsmaybeaccountedforaschangesintheitemsa)andc)short-circuitcurrentnon-linearity,butsomemaynotbe.Theitemd)requirementaccountsforthesenon-linearities.Generalproceduresfordeterminingthedegreeoflinearityfortheseandanyotherperformanceparameteraredescribedinclauses4through6.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:25P;A4
【正文语种】:英语
【英文标准名称】:Surfaceactiveagents;Detergentsforwashingfabrics;Guideforcomparativetestingofperformance
【原文标准名称】:表面活性剂洗织物用洗涤剂性能比较试验指南
【标准号】:ISO4319-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;表面活性剂;性能试验;机织物;家用亚麻织物;比较试验;织物;洗涤试验;洗涤剂;纺织材料
【英文主题词】:Comparativetests;Detergents;Fabrics;Householdlinen;Performancetesting;Performancetests;Surfactants;Testing;Tests;Textiles;Washingtests;Wovenfabrics
【摘要】:Constitutesaguideforcarryingoutcomparativetestsoffabricwashingproductsinsuchawayastorealisticallyreflecttheperformanceoftheproductslikelytobeusedbyconsumers.Itgivesdetailsofthevariablestobeconsidered,indicatedthesignificanceandimportanceofeachofthesevariables,andprividesabasisfornthedrawingupofadequatecomperativetestmethodswhichwillgiveavalidestimationoftheperformanceofafabricwashingoutproductwhentwoormoreproductsarecomparedduringthesameseriesoftests.
【中国标准分类号】:Y43;G72
【国际标准分类号】:71_100_40
【页数】:13P;A4
【正文语种】:英语