您的位置: 标准下载 » 国际标准 » BS 英国标准 »
热门标准
下载排行

BS EN 60255-11-2010 继电器和保护设备测量.自备供电设备端口上电压降、短时中断、变化和波动

作者:标准资料网 时间:2024-05-07 21:11:28  浏览:8438   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Measuringrelaysandprotectionequipment-Voltagedips,shortinterruptions,variationsandrippleonauxiliarypowersupplyport
【原文标准名称】:继电器和保护设备测量.自备供电设备端口上电压降、短时中断、变化和波动
【标准号】:BSEN60255-11-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-02-28
【实施或试行日期】:2010-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;定义;直流电流;电气工程;励磁电流;中断;测量继电器;测量技术;保护设备;额定值;继电器;波纹;规范(验收);试验值;试验;试验装置;试验要求;电压降;电压波动
【英文主题词】:Alternatingcurrent;Definitions;Directcurrent;Electricalengineering;Energizingcurrents;Interruptions;Measuringrelays;Measuringtechniques;Protectiondevices;Ratings;Relays;Ripple;Specification(approval);Testvalue;Testing;Testingdevices;Testingrequirements;Voltagedips;Voltagefluctuations
【摘要】:ThispartoftheIEC60255seriesspecifiesthegeneralrequirementsfora.c.andd.c.powersupplies,formeasuringrelaysandprotectionequipmentforpowersystemprotection,includingthecontrol,monitoringandprocessinterfaceequipmentusedwiththosesystems.Thispartisbasedon:?IEC61000-4-11fora.c.voltagedips,shortinterruptionsandvariations;?IEC61000-4-17forvoltageripple;?IEC61000-4-29ford.c.voltagedips,shortinterruptionsandvariations.
【中国标准分类号】:K33
【国际标准分类号】:29_120_50;29_120_70
【页数】:16P;A4
【正文语种】:英语


下载地址: 点击此处下载
返回跳至顶部
【英文标准名称】:StandardPracticeforPreparation,Standardization,andStorageofStandardandReagentSolutionsforChemicalAnalysis
【原文标准名称】:化学分析用试剂溶液的制备、标准化和贮存的标准操作规程
【标准号】:ASTME200-1997(2001)e1
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E15.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:储存;准备;化学分析和试验;化合物;溶剂;工艺;分类
【英文主题词】:indicatorsolutions;reagentsolutions;standardsolutions;titrants
【摘要】:Theaccuracyofmanyanalyticalmeasurementsisdependentuponthemannerinwhichthestandardsolutionsarepreparedandstored,andtheaccuracywithwhichtheyarestandardized.Combiningthemethodsrecommendedforthepreparationandhandlingofsuchsolutionsintoonepracticeeliminatesthenecessityforcoveringsuchdetailsinallofthemethodswhereinthesolutionsareused.1.1Thispracticecoversproceduresforthepreparation,standardization,andstorageofthestandardvolumetricsolutionsandreagenttestingsolutionscommonlyusedinchemicalanalysis.1.2Theinformationinthispracticeisarrangedasfollows:SectionsReferencedDocuments2Terminology3SignificanceandUse4Apparatus5Temperatureeffects6Measurements7Reagents8Concentrationofsolutions9Mixingofsolutions10Storageofsolutions11Preparationandstandardizationofsolutions12PrecisionandBias13Sodiumhydroxidesolution,0.02to1.0N14to19Hydrochloricacid,0.02to1.0N20to28Sulfuricacid,0.02to1.0N29to33Hydrochloricacid,special1N34to38Sulfuricacid,special1N39to43Silvernitratesolution,0.1N44to48Ammoniumthiocyanatesolution,0.1N49to53Iodinesolution,0.1N54to58Sodiumthiosulfatesolution,0.1N59to63Potassiumpermanganatesolution,0.1N64to68Potassiumdichromatesolution,0.1N69to73Methanolicsodiumhydroxidesolution,0.5N74to79Cericsulfatesolution,0.1N80to84Acetousperchloricacid,0.1N85to89Disodiumethylenediaminetetraacetatesolution,0.05M90to94Standardionsolutions95Nonstandardizedreagentsolutionsandindicatorsolutions96【英文标准名称】:StandardSpecificationforPolyethylene(PE)PlasticPipe(SDR-PR)BasedonOutsideDiameter
【原文标准名称】:以外径为基准的聚乙烯(PE)塑料管(SDR-PR)用标准规范
【标准号】:ASTMF714-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;外径;塑料管;塑料制品;聚乙烯
【英文主题词】:Construction;Outsidediameters;Plasticpipes;Plasticsproducts;Polyethylene
【摘要】:
【中国标准分类号】:
【国际标准分类号】:23_040_20
【页数】:10P;A4
【正文语种】:英语