IEC 60947-2-2006 低压开关和控制设备.第2部分:断路器
时间:2024-05-14 13:25:19 来源: 标准资料网 作者：标准资料网 阅读：8979
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part2:Circuit-breakers
【原文标准名称】:低压开关和控制设备.第2部分:断路器
【标准号】:IEC60947-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-05
【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/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;交流电压;断路器;电路;分类;连接;定义;直流电压;电气器具;电气工程;电气保护设备;电气安全;电磁兼容性;故障电流断路器;故障电流;熔断器;检验;干扰抑制;线路开关;低电压;低压电器;低压开关设备;作标记;防电击;保护设备;剩余电流工作电路;安全装置;规范(验收);开关;开关设备;试验;电压
【英文主题词】:Alternatingcurrent;Alternatingvoltages;Ambienttemperature;Auxiliarycircuits;Breakingcapacity;Calibration;Circuit-breakers;Circuits;Clearances;Connections;Constructionrequirements;Contact;Damping;Definitions;Design;Dimensioning;Directcurrent;Directvoltage;Dissipatedenergy;Electricappliances;Electricalengineering;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Flash-overs;Frequencies;Fuses;Handlings;Heat;Heating;Inspection;Insulatingstrength;Insulations;Interferencerejections;Interruptions;Leakagepaths;Lineswitches;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maincircuit;Maintenance;Operation;Overload;Overvoltage;Performanceinservice;Productinformation;Protectionagainstelectricshocks;Protectiondevices;Ratings;Residualcurrentoperatedcircuit-breakers;Safety;Safetydevices;Shortcircuits;Strengthofmaterials;Supplysystems;Switchoff;Switchon;Switches;Switchgear;Temperature;Temperaturerises;Temperatureshock;Testcycle;Testing;Transport;Trippingcurrents;Trippingmechanism;Vibration
【摘要】:Thisstandardappliestocircuit-breakers,themaincontactsofwhichareintendedtobeconnectedtocircuits,theratedvoltageofwhichdoesnotexceed1000Va.c.or1500Vd.c.;italsocontainsadditionalrequirementsforintegrallyfusedcircuit-breakers.Itapplieswhatevertheratedcurrents,themethodofconstructionortheproposedapplicationsofthecircuit-breakersmaybe.Therequirementsforcircuit-breakerswhicharealsointendedtoprovideearth-leakageprotectionarecontainedinAnnexB.Theadditionalrequirementsforcircuit-breakerswithelectronicover-currentprotectionarecontainedinAnnexF.Theadditionalrequirementsforcircuit-breakersforITsystemsarecontainedinAnnexH.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakersarecontainedinAnnexJ.Therequirementsforcircuit-breakersnotfulfillingtherequirementsforover-currentprotectionarecontainedinAnnexL.Therequirementsformodularresidualcurrentdevices(withoutintegralcurrentbreakingdevice)arecontainedinAnnexM.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakerauxiliariesarecontainedinAnnexN.Supplementaryrequirementsforcircuit-breakersusedasdirect-on-linestartersaregiveninIEC60947-4-1,applicabletolow-voltagecontactorsandstarters.Therequirementsforcircuit-breakersfortheprotectionofwiringinstallationsinbuildingsandsimilarapplications,anddesignedforusebyuninstructedpersons,arecontainedinIEC60898.Therequirementsforcircuit-breakersforequipment(forexampleelectricalappliances)arecontainedinIEC60934.Forcertainspecificapplications(forexampletraction,rollingmills,marineservice)particularoradditionalrequirementsmaybenecessary.NOTECircuit-breakerswhicharedealtwithinthisstandardmaybeprovidedwithdevicesforautomaticopeningunderpredeterminedconditionsotherthanthoseofover-currentandundervoltageas,forexample,reversalofpowerorcurrent.Thisstandarddoesnotdealwiththeverificationofoperationundersuchpre-determinedconditions.Theobjectofthisstandardistostate:a)thecharacteristicsofcircuit-breakers;b)theconditionswithwhichcircuit-breakersshallcomplywithreferenceto:1)operationandbehaviourinnormalservice;2)operationandbehaviourincaseofoverloadandoperationandbehaviourincaseofshort-circuit,includingco-ordinationinservice(discriminationandback-upprotection);3)dielectricproperties;c)testsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthesetests;d)informationtobemarkedonorgivenwiththeapparatus.
【中国标准分类号】:K32
【国际标准分类号】:29_130_20
【页数】:435P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticesforDecontaminationofFieldEquipmentUsedatLowLevelRadioactiveWasteSites
【原文标准名称】:用于低辐射放射性废弃物场所现场设备净化用标准实施规程
【标准号】:ASTMD5608-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:净化;低;实施规程;处理;放射性暴露;放射性废弃物;废料坑;废弃物;水
【英文主题词】:contaminate;contamination;controlrinsewater;controlwater;decontaminate;decontamination;equipment;radioactive;radiological;wastes;sampling
【摘要】:Theprimaryobjectivesofworkatlow-levelradioactivewastesitesaretheprotectionofpersonnel,preventionofthespreadofcontamination,minimizationofadditionalwastes,protectionofsampledataquality,andtheunconditionalreleaseofequipmentused.Preventingthecontaminationofequipmentusedatlow-levelradioactivewastesitesandthedecontaminationofcontaminatedequipmentarekeyaspectsofachievingthesegoals.Thispracticeprovidesguidanceintheplanningofworktopreventcontaminationandwhennecessary,forthedecontaminationofequipmentthathasbecomecontaminated.Thebenefitsinclude:5.3.1Minimizingthespreadofcontaminationwithinasiteandpreventingthespreadoutsideoftheworkarea.5.3.2Reducingthepotentialexposureofworkersduringtheworkandthesubsequentdecontaminationofequipment.5.3.3Minimizingtheamountsofadditionalwastesgeneratedduringthework,includingliquid,ormixedwastes,includingseparationofthewastetypes,suchasprotectiveclothing,cleaningequipment,cleaningsolutions,andprotectivewrapsanddrapes.5.3.4Improvingthequalityofsampledataandreliability.Thispracticemaynotbeapplicabletoalllow-levelradioactivewastesites,suchassitescontaininglow-levelradioactivewastesmixedwithchemicalorreactivewastes.Fieldpersonnel,withassistancefromtrainedradiologicalcontrolprofessionals,shouldhavetheflexibilitytomodifythedecontaminationprocedureswithdueconsiderationforthesamplingobjectives,orifpastexperiencesupportsalternativeproceduresforcontaminationprotectionordecontamination.Thispracticedoesnotaddressthemonitoring,protection,ordecontaminationofpersonnelworkingwithlow-levelradioactivewastes.Thispracticedoesnotaddressregulatoryrequirementsthatmaycontrolorrestrictwork,theneedforpermitsorregulatoryapprovals,ortheaccumulationorhandlingofgeneratedwastes.1.1Thispracticecoversthedecontaminationoffieldequipmentusedinthesamplingofsoils,soilgas,sludges,surfacewater,andgroundwateratwastesitesknownorsuspectedofcontaininglowlevelradioactivewastes.1.2Thispracticeisapplicableatsiteswherelowlevelradioactivewastesareknownorsuspectedtoexist.Thispracticemayalsobeapplicableforthedecontaminationofequipmentusedinknownorsuspectedtransuranic,ormixedwasteswhenusedbyitselforinconjunctionwithPracticeD5088.1.3Proceduresarecontainedinthispracticeforthedecontaminationofequipmentthatcomesintocontactwiththesamplematrix(samplecontactingequipment),andforancillaryequipmentthathasnotcontactedthesample,butmayhavebecomecontaminatedduringuse(non-contactingequipment).1.4Thispracticeisapplicabletomostconventionalsamplingequipmentconstructedofmetallicandhard,smoothsyntheticmaterials.Materialswithroughorporoussurfaces,orhavingahighsorptionrateshouldnotbeusedinradioactivewastesamplingduetothedifficultieswithdecontamination.1.5Inthosecaseswheresamplingwillbeperiodicallyperformed,suchassamplingofwells,considerationshouldbegiventotheuseofdedicatedsamplingequipmentiflegitimateconcernsexistfortheproductionofundesirableorunmanageablewastebyproducts,orboth,duringthedecontaminationoftoolsandequipment.1.6Thispracticedoesnotaddressregulatoryrequirementsforpersonnelprotectionordecontamination,orforthehandling,labeling,shippingorstoringofwastes,orsamples.Specificradiologicalreleaserequirementsandlimitsmustbedeterminedbyusersinaccordancewithlocal,stateandfederalregulations.1.7Foradditionalinformations......
【中国标准分类号】:F79
【国际标准分类号】:13_030_30
【页数】:8P.;A4
【正文语种】:
Product Code:SAE AS1734
Title:Nut, Coupling, Rigid, Fixed Cavity, Threaded, Ferrule Type Tube Ends, Type I
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.