【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part6-1:Multiplefunctionequipment-Transferswitchingequipment
【原文标准名称】:低压开关设备和控制设备.第6-1部分:多功能设备.转换开关设备
【标准号】:IEC60947-6-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-08
【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/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:自动;转换开关;断路器;分类;兼容性;控制设备;定义;电力系统;电气工程;电气安全;电气试验;检验;低电压;低压开关设备;作标记;安装;多用途;使用条件;操作;性能试验;产品信息;特性;防电击;质量保证;规范(验收);开关;开关设备;试验;转接开关装置;转接开关设备
【英文主题词】:Automatic;Automaticsystems;Bandoffrequencies;Behaviour;Burst;Change-overswitches;Chargings;Circuit-breakers;Circuits;Classification;Compatibility;Conduits;Constructionrequirements;Controlequipment;Definitions;Dimensioning;Duration;Electricpowersystems;Electricalengineering;Electricalpropertiesandphenomena;Electricalsafety;Electricaltesting;Electromagneticcompatibility;EMC;Environment;Frequencies;Handlings;Harmonics;Heat;Heating;Impulsevoltages;Influencequantities;Information;Inspection;Installations;Instructionsforuse;Interferencerejections;Interferingemissions;Interruptions;Limits(mathematics);Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Mounting;Multifunctionalequipments;Multi-purpose;Operatingconditions;Operatingdevices;Operation;Performancetesting;Productinformation;Properties;Protectionagainstelectricshocks;Qualificationtests;Qualityassurance;Radiation;Ratings;Routinechecktests;Short-time;Specification(approval);Supply;Switches;Switchgear;Temperature;Testsequence;Testing;Transferswitchingdevices;Transferswitchingequipment;Transport;Types;Userinformation;Voltagedips;Voltagedrops
【摘要】:ThispartofIEC60947appliestotransferswitchingequipment(TSE)tobeusedinpowersystemswithinterruptionofthesupplytotheloadduringtransfer,theratedvoltageofwhichdoesnotexceed1000Va.c.or1500Vd.c.Itcovers:-manuallyoperatedtransferswitchingequipment(MTSE);-remoteoperatedtransferswitchingequipment(RTSE);-automatictransferswitchingequipment(ATSE).ItcoversTSEprovidedwithorwithoutanenclosure.Devicesnecessaryforthecontrol(e.g.controlswitches,etc.)andtheprotection(e.g.circuit-breakers,etc.)ofaTSEarecoveredbytherelevantIECstandards.NOTETSEusedonlyforemergencylightingmaybesubjecttospecificrulesand/orlegalrequirementsandarenot,therefore,coveredbythisstandard.TheobjectofthispartofIEC60947istostate:1)Thecharacteristicsoftheequipment:a)specificequipment;b)equipmentthemainpartofwhichbeingdevicescoveredbyotherIEC60947productstandards.2)Theconditionsoftheequipmentwithrespectto:a)operationforwhichtheequipmentisintended;b)operationandbehaviourincaseofspecifiedabnormalconditions,forexample,short-circuit;c)dielectricproperties.3)Thetestsintendedtoconfirmthattheseconditionshavebeenmetandthemethodsforperformingthesetests.4)Thedatatobemarkedontheequipmentandprovidedbythemanufacturer.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:94P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby100MetreCapillaryHighResolutionGasChromatography
【原文标准名称】:采用100米毛细管高分辨气相色谱法测定火花点燃式发动机燃料中单个素的标准试验方法
【标准号】:ASTMD6729-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaschromatograph;gasoline;individualhydrocarbonanalysis;oxygenatedfuels;spark-ignitionenginefuels;Alkylates;Automotiveenginefuels/oils;ETBE(ethyltert-butylether);Ethanol;Gaschromatography(GC)--petroleumproducts;100Meter
【摘要】:Knowledgeofthespecifiedindividualcomponentcomposition(speciation)ofgasolinefuelsandblendingstocksisusefulforrefineryqualitycontrolandproductspecification.Processcontrolandproductspecificationcomplianceformanyindividualhydrocarbonsmaybedeterminedthroughtheuseofthistestmethod.1.1Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelsandtheirmixturescontainingoxygenateblends(MTBE,ETBE,ethanol,andsoforth)withboilingrangesupto225x00B0;C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchasblendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.1.2Basedonthecooperativestudyresults,individualcomponentconcentrationsandprecisionaredeterminedintherangeof0.01toapproximately30mass%.Theproceduremaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyiftheprocedureisusedforcomponentswithconcentrationsoutsidethespecifiedranges.1.3Thetestmethodalsodeterminesmethanol,ethanol,t-butanol,methylt-butylether(MTBE),ethylt-butylether(ETBE),t-amylmethylether(TAME)insparkignitionenginefuelsintheconcentrationrangeof1to30mass%.However,thecooperativestudydataprovidedsufficientstatisticaldataforMTBEonly.1.4Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA)theuserofsuchdatashouldbecautionedthatsomeerrorwillbeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofolefinicornaphthenic(forexample,virginnaphthas),orboth,constituentsaboven-octanemayreflectsignificanterrorsinPONAtypegroupings.Basedonthegasolinesamplesintheinterlaboratorycooperativestudy,thisprocedureisapplicabletosamplescontaininglessthan25mass%ofolefins.However,someinterferingcoelutionwiththeolefinsaboveC7ispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.1.4.1Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,ifnecessary,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimensionalPONAtypeofinstruments.1.5Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744,orequivalent.Othercompoundscontainingoxygen,sulfur,nitrogen,andsoforth,mayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodsD4815andD5599foroxygenates,andD5623forsulfurcompounds,orequivalent.1.6AnnexA1ofthistestmethodcomparesresultsofthetestprocedurewithothertestmethodsforselectedcomponents,includingolefins,andseveralgrouptypesforseveralinterlaboratorycooperativestudysamples.Althoughbenzene,toluene,andseveraloxygenatesaredetermined,whendoubtfulastotheanalyticalresultsofthesecomponents,confirmatoryanalysescanbeobtainedbyusingspecifictestmethods.1.7Th......
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:51P.;A4
【正文语种】:英语