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【英文标准名称】:Industrialautomationsystems-Conceptsandrulesforenterprisemodels
【原文标准名称】:工业自动化系统企业建模概念和规则
【标准号】:ISO14258-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:制造;企业;自动化技术;概念;自动化系统;程序规则;自动化;计算机应用;铸模;定义
【英文主题词】:Automation;Automationsystems;Automationtechnology;Computerapplications;Conception;Definitions;Enterprises;Manufacturing;Modelling;Rulesofprocedure
【摘要】:ThisInternationalStandardspecifiesconceptsandrulesforcomputer-understandablemodelsofamanufacturingenterprisetobetterenableenterpriseprocessestointeroperate.ThisInternationalStandarddoesnotdefinestandardenterpriseprocesses,standardenterprises,standardorganizationalstructures,orstandardenterprisedata.Inaddition,thisInternationalStandarddoesnotspecifytheenterprise-modelingprocess,butformsthebasisbywhichenterprise-modelingstandardscanbedevelopedwheretheyareneeded.
【中国标准分类号】:N10
【国际标准分类号】:25_040_40
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:Electromagneticcompatibility(EMC)-Limits-Limitationofemissionofharmoniccurrentsinlow-voltagepowersupplysystemsforequipmentwithratedcurrentgreaterthan16A
【原文标准名称】:电磁兼容性(EMC).极限值.额定电流大于16A的设备用低压供电系统中谐波电流的辐射限制
【标准号】:BSIEC61000-3-4-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-02-15
【实施或试行日期】:1999-02-15
【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】:电磁辐射;电磁兼容性;电连接器;发射;电气元件;数学计算;电力系统;电气设备;额定电流;定型试验;低电压;电磁场;电气工程;无线电干扰;技术文献;电磁学;电气试验;试验条件;电子设备及元件;谐波;兼容性;低压设备
【英文主题词】:Definition;Definitions;Electricappliances;Electricalengineering;Electromagneticcompatibility;EMC;Harmoniccurrent;Lowvoltagemains;Low-voltageequipment
【摘要】:ThispartofIEC61000dealswiththeemissionofdisturbancesduetoharmonics.Therecommendationsofthistechnicalreportareapplicabletoelectricalandelectronicequipmentwitharatedinputcurrentexceeding16Aperphaseandintendedtobeconnectedtopubliclow-voltagea.c.distributionsystemsofthefollowingtypes:-nominalvoltageupto240V,single-phase,twoorthreewires;-nominalvoltageupto600V,three-phase,threeorfourwires;-nominalfrequency50Hzor60Hz.Otherdistributionsystemsareexcluded.Testsaccordingtothisreportaretypetestsofcompletepiecesofequipment,forexampleaspeedvariablefan,andnotofcomponents,forexampleaconverter.Connectionofthisequipmenttothesupplygenerallyrequiresspecialagreementbetweenthesupplyauthorityandtheconsumer.Thisconsentwilldependuponseveralfactorsincludingtheexpectedlevelsofdisturbancecausedbytheequipmentandtheactualsituationattheconnectionpointtothepowersupplysystem.Theserecommendationsspecifytheinformationrequiredtoenableasupplyauthoritytoassessequipmentregardingharmonicdisturbanceandtodecidewhetherornottheequipmentisacceptableforconnectionwithregardtotheharmonicdistortionaspect.NOTE1-Forthesetypesofequipmentonlygeneralrecommendationsonassessmentofdisturbancescanbegiven.Thereisnoguaranteethattheconnectionofequipmentcomplyingwiththeserecommendationswillbeallowedinallcases,astheconsenttoconnectequipmenttothesupplydependsonthelevelofdisturbancecausedbytheequipmentandtheloadconditionsinthenetwork.NOTE2-Theserecommendationscanalsobeappliedtoequipmentwithalowerratedinputcurrentbutrequiringspecialconsentofthesupplyauthority(seeIEC61000-3-2).NOTE3-Theserecommendationsarenotapplicabletoactivefilters.Guidanceisgivenon:a)requiredshort-circuitpowerforharmonicsemittingequipmenttestedorsimulatedunderspecifiedconditions;b)methodsfortypetestsorsimulations.
【中国标准分类号】:L06
【国际标准分类号】:33_100_10
【页数】:16P;A4
【正文语种】:英语