ASTM E 1486-1994 使用波度、轮子行程和水平度准则测定地板公差的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminingFloorTolerancesUsingWaviness,WheelPathandLevelnessCriteria
【原文标准名称】:使用波度、轮子行程和水平度准则测定地板公差的标准试验方法
【标准号】:ASTME1486-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【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】:公差;楼板;长度;向上;调整RMS波高;定义轮子行程;地板覆盖系统;地板公差测定;水平度指数;线性波度LW指数;上升点测量装置;水平度标准;波高;轮子行程;RMS波高;表面平坦度;表面波度SW指数;测定线性波度;波度指数;地板公
【英文主题词】:
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_060_30
【页数】:
【正文语种】:英语
【英文标准名称】:High-voltagealternatingcurrentcontactorsandcontactor-basedmotor-starters
【原文标准名称】:高压交流接触器和基于接触器的电动机起动器
【标准号】:IEC60470-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-05
【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/SC17A
【标准类型】:()
【标准水平】:()
【中文主题词】:三极;三相;短路保护;交流开关;试验;电气工程;交流电流;特性;户内电气设备;接触器;电动机起动器;附件;过载保护;合格试验;规范(验收);过载保护装置;开关设备;定义;高电压
【英文主题词】:Accessories;Alternatingcurrent;Alternating-currentswitches;Contactors;Definition;Definitions;Electricalengineering;Highvoltage;Indoorelectricequipment;Motorstarters;Overloadprotection;Overloadprotectiondevice;Properties;Qualificationtests;Short-circuitprotection;Specification(approval);Switchgear;Testing;Three-phase;Three-pole
【摘要】:ThisInternationalStandardisapplicabletoa.c.contactorsand/orcontactor-basedmotor-startersdesignedforindoorinstallationandoperationatfrequenciesuptoandincluding60Hzonsystemshavingvoltagesabove1000Vbutnotexceeding12000V.Itisapplicableonlytothree-polecontactorsandstartersforuseinthree-phasesystems,andsingle-polecontactorsandstartersforuseinsingle-phasesystems.Two-polecontactorsandstartersforuseinsingle-phasesystemsaresubjecttoagreementbetweenmanufactureranduser.Contactorsand/orstartersdealtwithinthisstandardarenotnormallydesignedtointerruptshort-circuitcurrents.Therefore,suitableshort-circuitprotection(see3.4.110.12andnote2below)formspartoftheinstallation,butnotnecessarilyofthecontactororthestarter.Inthiscontext,thisstandardgivesrequirementsfor-contactorsassociatedwithoverloadand/orshort-circuitprotectivedevices(SCPD);-startersassociatedwithseparateshort-circuitprotectivedevicesand/orwithseparateshort-circuitandintegratedoverloadprotectivedevices;-contactorsorstarterscombined,underspecifiedconditions,withtheirownshort-circuitprotectivedevices.Suchcombinations,forexamplecombinationstarters(see3.4.110.9),areratedasunits.Contactorsintendedforclosingandopeningelectriccircuitsand,ifcombinedwithsuitablerelays,forprotectingthesecircuitsagainstoperatingoverloadswhichmayoccurtherein,arecoveredinthisstandard.Thisstandardisalsoapplicabletotheoperatingdevicesofcontactorsandtotheirauxiliaryequipment.Motor-startersintendedtostartandacceleratemotorstonormalspeed,toensurecontinuousoperationofmotors,toswitchoffthesupplyfromthemotorandtoprovidemeansfortheprotectionofmotorsandassociatedcircuitsagainstoperatingoverloadsaredealtwith.Motor-startertypesincludedare-direct-on-linestarters;-reversingstarters;-two-directionstarters;-reducedkVA(voltage)starters;-auto-transformerstarters;-rheostaticstarters;-reactorstarters.Starters,theoperationofwhichdependsonthermalelectricalrelaysformotorprotectioncomplyingwithIEC60255-8,ormotor-incorporatedthermalprotectivedevicesdealtwithinIEC60034-11,donotnecessarilymeetalltherelevantrequirementsofthisstandard.Overloadrelaysforstarters,includingthosebasedonsolid-statetechnology,arecoveredbythisstandard.Thisstandarddoesnotapplyto-circuit-breaker-basedmotor-starters;-single-poleoperationofmulti-polecontactorsorstarters;-two-stepauto-transformerstartersdesignedforcontinuousoperationinthestartingposition;-unbalancedrheostaticrotorstarters,i.e.wheretheresistancesdonothavethesamevalueinallphases;-equipmentdesignednotonlyforstarting,butalsoforadjustmentofspeed;-liquidstartersandthoseofthe"liquid-vapour"type;-semiconductorcontactorsandstartersmakinguseofsemiconductorcontactorsinthemaincircuit;-rheostaticstatorstarters;-contactorsorstartersdesignedforspecialapplications.Thisstandarddoesnotdealwithcomponentscontainedincontactorsandcontactor-basedmotor-starters,forwhichindividualspecificationsexist.NOTE1ThermalelectricalrelaysarecoveredbyIEC60255-8.NOTE2High-voltagecurrent-limitingfusesarecoveredbyIEC60282-1andIEC60644.NOTE3Metal-enclosedswitchgearandcontrolgearforratedvoltagesabove1kVanduptoandincluding52kVarecoveredbyIEC60298.NOTE4DisconnectorsandearthingswitchesarecoveredbyIEC60129.NOTE5High-voltageswitchesabove1kVandlessthan52kVarecoveredbyIEC60265-1.Theobjectofthisstandardistostatea)thecharacteristicsofcontactorsandstartersandassociatedequipment;b)theconditionswithwhichcontactorsorstartersshallcomplywithreferenceto:1)their
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:155P.;A4
【正文语种】:英语
【英文标准名称】:Digitalcellulartelecommunicationssystem(Phase2+)-GSMCordlessTelephonySystem(CTS),Phase1-CTSradiointerfacelayer3specification(GSM04.56version8.0.1Release1999)(EndorsementoftheEnglishversionEN302406V8.0.1(2000-08)asGerma
【原文标准名称】:数字蜂窝式远程通信系统(2+相位).GSM无线电话系统(CTS)(相位1).CTS无线接口层3规范
【标准号】:DINEN302406-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:呼叫传输;特殊服务;电气工程;数字的;无线电话话务量;通信网;通信链路;电信;远程通信;无线的;通信系统;移动无线电通信系统;物理层;电信设备
【英文主题词】:
【摘要】:ThisEuropeanstandardspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M37
【国际标准分类号】:33_070_50
【页数】:2P;A4
【正文语种】:德语
