ANSI/NFPA 499-2008 化学品加工区域中电气装置用易燃粉尘和危险区域的分类的推荐实施规程
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【英文标准名称】:RecommendedPracticefortheClassificationofCombustibleDustsandofHazardous(Classified)LocationsforElectricalInstallationsinChemicalProcessAreas
【原文标准名称】:化学品加工区域中电气装置用易燃粉尘和危险区域的分类的推荐实施规程
【标准号】:ANSI/NFPA499-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学设备;电驱动装置;安全工程;安全要求
【英文主题词】:Chemicalequipment;Electrically-operateddevices;Safetyengineering;Safetyrequirements
【摘要】:Thisrecommendedpracticeappliestothoselocationswherecombustibledustsareproduced,processed,orhandled,andwheredustreleasedintotheatmosphereoraccumulatedonsurfacescouldbeignitedbyelectricalsystemsorequipment.ThisrecommendedpracticeprovidesinformationonspecificcombustibledustswhoserelevantcombustionpropertieshavebeensufficientlyidentifiedtoallowtheirclassificationintothegroupsestablishedbyNFPA70,NationalElectricalCode(NECr),forproperselectionofelectricalequipmentinhazardous(classified)locations.Thetablesofselectedcombustiblematerialscontainedinthisdocumentarenotintendedtobeall-inclusive.Thisrecommendedpracticealsoappliestochemicalprocessareas.Asusedinthisdocument,achemicalprocessareacouldbeachemicalprocessplant,oritcouldbeapartofsuchaplant.Achemicalprocessareacouldbeapartofamanufacturingfacilitywherecombustibledustsareproducedorusedinchemicalreactions,orarehandledorusedinoperationssuchasmixing,coating,extrusion,conveying,drying,and/orgrinding.Thisrecommendedpracticedoesnotapplytoagriculturalgrain-handlingfacilitiesexceptwherepowderedgrainisusedinachemicalreactionormixture.Thisrecommendedpracticedoesnotapplytosituationsthatcouldinvolvecatastrophicfailureof,orcatastrophicdischargefrom,silos,processvessels,pipelines,tanks,hoppers,orconveyingorelevatingsystems.Thisrecommendedpracticedoesnotapplytooxygen-enrichedatmospheresorpyrophoricmaterials.
【中国标准分类号】:C66;G09
【国际标准分类号】:13_300;29_260_20
【页数】:
【正文语种】:英语
Product Code:SAE AS6089
Title:Validation Methods for AS5653 Network Controller
Issuing Committee:As-1a Avionic Networks Committee
Scope: This document establishes techniques for validating that an Network Controller (NC) complies with the requirements delineated in AS5653. The purpose of this document is to provide methods for validating that the Network Controller complies with the Network Controller requirements of AS5653. This document provides a modular, independent set of methods for each of the requirements in AS5653 that applies to a Network Controller.
Rationale: This document establishes techniques for validating that an Network Controller (NC) complies with the requirements delineated in AS5653. The purpose of this document is to provide methods for validating that the Network Controller complies with the Network Controller requirements of AS5653. This document provides a modular, independent set of methods for each of the requirements in AS5653 that applies to a Network Controller.【英文标准名称】:Lowvoltagesurgeprotectivedevices-Part21:Surgeprotectivedevicesconnectedtotelecommunicationsandsignallingnetworks-Performancerequirementsandtestingmethods,(IEC61643-21:2000+Corrigendum2001+A1:2008,modified);GermanversionEN6
【原文标准名称】:低压电涌保护装置.第21部分:接到通信和信令网络的电涌保护装置.性能要求和试验方法
【标准号】:DINEN61643-21-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-03
【实施或试行日期】:2010-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电路网络;定义;电气工程;环境试验;低压电路;低压设备;机械试验;任务;使用条件;过电压保护装置;性能;性能要求;信号处理;规范(验收);电涌放电器;通信;试验;试验条件;使用
【英文主题词】:Circuitnetworks;Definitions;Electricalengineering;Environmentaltesting;Low-voltagecircuit;Low-voltageequipment;Mechanicaltesting;Mission;Operatingconditions;Overvoltageprotection;Performance;Performancerequirements;Signalprocessing;Specification(approval);Surgearresters;Telecommunications;Testing;Testingconditions;Use
【摘要】:ThisstandardcontainstheGermanversionoftheEuropeanstandardEN61643-21:2001+A1:2009whichtakesovertheInternationalStandardIEC61643-21:2000+Corrigendum2001anditsAmendment1:2008.Itsspecificationsservefortheverificationthatthenecessaryrequirementsforsurgeprotectivedevices(SPD),whichareusedforprotectivepurposesintelecommunicationandsignallingnetworks,arefulfilledbythesedevices.HerebytwobasictypesofSPDaretakenintoaccount:SPDwithonlyvoltage-limitingcomponentsandSPDwithvoltage-limitingandcurrent-limitingcomponentsinonehousing.TherequirementsdirectedtoSPDsaredividedintogeneral,electricalandmechanicalrequirements.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:76P.;A4
【正文语种】:德语