GB/T 2900.35-1998 电工术语 爆炸性环境用电气设备
时间:2024-05-14 09:37:47 来源: 标准资料网 作者：标准资料网 阅读：9321
基本信息
| 标准名称： | 电工术语 爆炸性环境用电气设备 |
| 英文名称： | Electrotechnical terminology Electrical apparatus for explosive atmospheres |
| 中标分类： |
电工 >>
电工综合 >>
基础标准与通用方法 |
| ICS分类： |
电气工程 >>
电气工程综合
|
| 替代情况： | 替代GB 2900.35-1983;被GB/T 2900.35-2008代替 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1998-03-20 |
| 实施日期： | 1998-01-02 |
| 首发日期： | 1983-08-29 |
| 作废日期： | 2009-05-01 |
| 主管部门： | 国家标准化管理委员会 |
| 提出单位： | 机械工业部 |
| 归口单位： | 全国电工术语标准化技术委员会 |
| 起草单位： | 南阳防爆电气所 |
| 起草人： | 项云林、朱松源、王培德、郑琦、张长顺、宋荣敏 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2004-04-01 |
| 页数： | 平装16开， 页数：16， 字数：24千字 |
| 书号： | 155066.1-15380 |
适用范围
本标准规定了爆炸性环境用电气设备的专业名词术语。本标准适用于爆炸性环境用电气设备标准的制、修订，技术文件的编制，专业手册、教材、书刊等的编写和翻译工作。
前言
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引用标准
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所属分类： 电工 电工综合 基础标准与通用方法 电气工程 电气工程综合
【英文标准名称】:StandardTestMethodforNondestructiveAssayofNuclearMaterialinScrapandWastebyPassive-ActiveNeutronCountingUsing252CfShuffler
【原文标准名称】:使用a252Cf的被动-主动中子计数法在碎片和废料中作核材料无损检定的标准试验方法
【标准号】:ASTMC1316-2008
【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(US-ASTM)
【起草单位】:C26.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:activeneutronmeasurements;californium;californium-252;NDA;neutroncoincidencecounting;PAN;passiveneutronmeasurements;plutonium;scrapmeasurements;shuffler;uranium;wastemeasurements;Nondestructiveevaluation(NDE)--nuclearapplic
【摘要】:ThistestmethodisusedtodeterminetheUandPucontentofscrapandwasteincontainers.Activemeasurementtimeshavetypicallybeen100to1000s.Passivemeasurementtimeshavetypicallybeen400stoseveralhours.Thefollowinglimitsmaybefurtherrestricteddependinguponspecificmatrix,calibrationmaterial,criticalitysafety,orcountingequipmentconsiderations.Thepassivemeasurementhasbeenappliedtobenignmatricesin208LdrumswithPucontentrangingfrom30mgto1kg.Theactivemeasurementhasbeenappliedtowastedrumswith235Ucontentrangingfromabout100mgto1kg.Thistestmethodcanbeusedtodemonstratecompliancewiththeradioactivitylevelsspecifiedinsafeguards,waste,disposal,andenvironmentalregulations(forexample,seeNRCregulatoryguides5.11,5.53,DOEOrder5820.2a,and10CFR61sections61.55andsections61.56,40CFR191,andDOE/WIPP-069).Thistestmethodcouldbeusedtodetectdiversionattemptsthatuseshieldingtoencapsulatenuclearmaterial.Thebiasofthemeasurementresultsisrelatedtotheitemsizeanddensity,thehomogeneityandcompositionofthematrix,andthequantityanddistributionofthenuclearmaterial.Theprecisionofthemeasurementresultsisrelatedtothequantityofnuclearmaterialandthecounttimeofthemeasurement.Forboththematrix-specificandthematrix-correctionapproaches,themethodassumesthecalibrationmaterialsmatchtheitemstobemeasuredwithrespecttothehomogeneityandcompositionofthematrix,theneutronmoderatorandabsorbercontent,andthequantityofnuclearmaterial,totheextenttheyaffectthemeasurement.Itisrecommendedthatmeasurementsbemadeonsmallcontainersofscrapandwastebeforetheyarecombinedinlargecontainers.Specialarrangementmayberequiredtoassaysmallcontainerstobesteffectinalargecavitygeneralpurposeshuffer.Itisrecommendedthatmeasurementsbemadeoncontainerswithhomogeneouscontents.Ingeneral,heterogeneityinthedistributionofnuclearmaterial,neutronmoderators,andneutronabsorbershasthepotentialtocausebiasedresults.Thistestmethodrequiresthattherelativeisotopiccompositionsofthecontributingelementsareknown.Thistestmethodassumesthatthedistributionofthecontributingisotopesisuniformthroughoutthecontainerwhenthematrixaffectsneutrontransport.Thistestmethodassumesthatlumpaffectsareunimportantx2014;thatistosaythatlargequantitiesofspecialnuclearmaterialarenotconcentratedinasmallportionofthecontainer.Forbestresultsfromtheapplicationofthistestmethod,appropriatepackagingoftheitemsisrequired.Suitabletrainingofthepersonnelwhopackagethescrapandwastepriortomeasurementshouldbeprovided(forexample,seeANSI15.20,GuideC1009,GuideC1490,andGuideC1068fortrainingguidance).Sometimessitespecificconditionsandrequirementsmayhavegreaterbearing.1.1ThistestmethodcoversthenondestructiveassayofscrapandwasteitemsforU,Pu,orboth,usinga252Cfshuffler.Shufflermeasurementshavebeenappliedtoavarietyofmatrixmaterialsincontainersofuptoseveral100L.Correctionsaremadefortheeffectsofmatrixmaterial.Applicationsofthistestmethodincludemeasurementsforsafeguards,accountability,TRU,andUwastesegregation,disposal,andprocesscontrolpurposes(1,2,3).1.1.1Thistestmethodusespassiveneutroncoincidencecounting(4)tomeasurethe240Pu-effectivemass.IthasbeenusedtoassayitemswithtotalPucontentsbetween0.03gand1000g.Itcouldbeusedtomeasureother......
【中国标准分类号】:F46
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part5-8:Controlcircuitdevicesandswitchingelements-Three-positionenablingswitches
【原文标准名称】:低压开关设备和控制设备.第5-8部分:控制电路器件和切换元件.三位启动开关
【标准号】:IEC60947-5-8-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-10
【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】:接触元件;控制装置;控制设备;控制开关;定义;电气工程;低电压;低压电器;低压开关设备;作标记;机械性泄露;产品信息;特性;合格试验;常规检验;安全元件;机械安全;规范(验收);开关;开关设备;开关操纵元件;试验;试验条件
【英文主题词】:Acquisition;Activities;Ageing(materials);Alternatingfields;Alternatingvoltages;Ambienttemperature;Appliancecouplers;Behaviour;Cables;Capacitive;Characteristics;Classificationsystems;Clearances;Conditions;Connections;Constantfields;Constructionrequirements;Contactelement;Controldevices;Controlequipment;Controlswitches;Currents;Cylinders;Damping;Definitions;Degreesofprotection;Directvoltage;Discharge;Disconnection;Distances;Doorclosers;Earthconductors;Electricalengineering;Electromagnetic;Electromagnetism;EMC;Evaluations;Exits;Firerisks;Frequencies;Handlings;Heat;Heating;Height;Hysteresis;Idlemode;Impulsevoltages;Indications;Inductive;Information;Insulations;Interferingemissions;Leakagepaths;Linevoltagedrop;Loading;Longitudinalslots;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Materials;Measure;Measurement;Measuringtechniques;Mechanic;Mechanicallinkages;Metals;Mounting;Operation;Optical;Pipes;Plugs;Precision;Productinformation;Properties;Proximityswitches;Qualificationtests;Routinechecktests;Safetycomponents;Safetyofmachinery;Selection;Servicevoltage;Shape;Shocks;Shortcircuits;Signals;Specification(approval);Stress;Supply;Switches;Switchgear;Switchingelements;Switchingfrequency;Switchingintervals;Switching-in;Tensiletests;Testresults;Testing;Testingconditions;Threads;Transport;Types;Ultrasonics;Vibration;Voltagedrops
【摘要】:ThispartofIEC60947specifiesrequirementsforthree-positionenablingswitches.Theseswitchesareusedascomponentsofenablingdevicesdescribedin10.9ofIEC60204-1toprovidesignalsthat,a)whenactivated,allowmachineoperationtobeinitiatedbyaseparatestartcontrol,andb)whende-activated,i)initiateastopfunction,andii)preventinitiationofmachineoperation.NOTE1Theenablingcontrolfunctionisdescribedin9.2.6.3ofIEC60204-1.NOTE2Thisstandarddoesnotdealwithenablingdevices.Thisstandarddoesnotapplyto:?three-positionenablingswitchesfornon-electricalcontrolcircuits,forexamplehydraulic,pneumatic;?enablingswitcheswithoutthree-positionmechanism;?emergencystopdevices(seeIEC60947-5-5).
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:41P.;A4
【正文语种】:英语