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【英文标准名称】:StandardTestMethodforDeterminationofAmmonium,AlkaliandAlkalineEarthMetalsinHydrogenandOtherCellFeedGasesbyIonChromatography
【原文标准名称】:采用离子色相光谱法测定氢电池和其他电池中灌注气体的的氨,碱和碱土金属含量的标准试验办法
【标准号】:ASTMD7550-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D03.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ammonia;calcium;cations;fuelcells;gaseousfuels;hydrogen;ionchromatography;magnesium;PEM;potassium;protonexchangemembrane;sampling;sodium
【摘要】:Lowoperatingtemperaturefuelcellssuchasprotonexchangemembrane(PEM)fuelcellsrequirehighpurityhydrogenformaximummaterialperformanceandlifetime.Analysistopart-per-billion(ppb)concentrationofindividualcationcontaminantssuchaspotassium,sodiumandammoniuminhydrogenandrelatedfuelcellsupplygasesisnecessaryforassuringafeedgasofsufficientpuritytosatisfyfuelcellsystemneeds.Morespecifically,cationssuchasammoniumcausesirreversibleperformancedegradationofprotonexchangemembranesusedinlowtemperaturefuelcellsbyreactingwithprotonsinthemembranetoformammoniumions.Althoughnotintendedforapplicationtogasesotherthanhydrogenandrelatedfuelcellsupplygases,techniqueswithinthistestmethodcanbeappliedtoothergaseoussamplesrequiringcationanalysis.1.1Thistestmethoddescribesaprocedureforthedeterminationofcationsinhydrogenandotherfuelcellfeedgases.Ithasbeensuccessfullyappliedtoothertypesofgaseoussamplesincludingair,engineexhaust,andlandfillsamples.Anionchromatograph/conductivitydetector(IC/CD)systemisusedtodeterminecations.Sensitivityfromlowpartperbillion(ppb,x03BC;g/l,x03BC;g/kg)uptopartpermillion(ppm,mg/l,mg/kg)concentrationareachievabledependantontheamountofhydrogenorotherfuelcellgassampled.Thistestmethodcanbeappliedtoothergaseoussamplesrequiringanalysisoftraceconstituentsprovidedanassessmentofpotentialinterferenceshasbeenaccomplished.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:27_070;71_040_50
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Windturbines-Powerperformancemeasurementsofelectricityproducingwindturbines
【原文标准名称】:风力涡轮机.风轮发电的动力性能测量
【标准号】:BSEN61400-12-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;数据采集;定义;发电;电气工程;电学;发电机;测量;测量技术;性能;发电站;电功率测量;定额试验;测试条件;涡轮机;风能;风力站;风力涡轮机;风力发电站;风动装置
【英文主题词】:
【摘要】:ThispartofIEC61400specifiesaprocedureformeasuringthepowerperformancecharacteristicsofasinglewindturbineandappliestothetestingofwindturbinesofalltypesandsizesconnectedtotheelectricalpowernetwork.Inaddition,thisstandarddescribesaproceduretobeusedtodeterminethepowerperformancecharacteristicsofsmallwindturbines(asdefinedinIEC61400-2)whenconnectedtoeithertheelectricpowernetworkorabatterybank.Theprocedurecanbeusedforperformanceevaluationofspecificturbinesatspecificlocations,butequallythemethodologycanbeusedtomakegenericcomparisonsbetweendifferentturbinemodelsordifferentturbinesettings.Thewindturbinepowerperformancecharacteristicsaredeterminedbythemeasuredpowercurveandtheestimatedannualenergyproduction(AEP).Themeasuredpowercurveisdeterminedbycollectingsimultaneousmeasurementsofwindspeedandpoweroutputatthetestsiteforaperiodthatislongenoughtoestablishastatisticallysignificantdatabaseoverarangeofwindspeedsandundervaryingwindandatmosphericconditions.TheAEPiscalculatedbyapplyingthemeasuredpowercurvetoreferencewindspeedfrequencydistributions,assuming100%availability.Thestandarddescribesameasurementmethodologythatrequiresthemeasuredpowercurveandderivedenergyproductionfigurestobesupplementedbyanassessmentofuncertaintysourcesandtheircombinedeffects.
【中国标准分类号】:F11
【国际标准分类号】:27_180
【页数】:94P;A4
【正文语种】:英语