IEC 60255-22-4-2002 电气继电器.第22-4部分:量度继电器和保护装置的电气骚扰试验.快速瞬变/猝发骚扰试验
时间:2024-05-07 18:05:15 来源: 标准资料网 作者：标准资料网 阅读：8169
【英文标准名称】:Electricalrelays-Part22-4:Electricaldisturbancetestsformeasuringrelaysandprotectionequipment;Electricalfasttransient/burstimmunitytest
【原文标准名称】:电气继电器.第22-4部分:量度继电器和保护装置的电气骚扰试验.快速瞬变/猝发骚扰试验
【标准号】:IEC60255-22-4-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC95
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义;量值继电器;干扰抑制;影响量;保护设备;保护继电器;继电器;电气保护设备;试验;电气工程;测量继电器
【英文主题词】:Burst;Definition;Definitions;Electricalengineering;Electricalprotectionequipment;Influencequantities;Interferencerejections;Measuringrelays;Protectiondevices;Protectiverelays;Qualificationtests;Relays;Testset-ups;Testing;Transient
【摘要】:ThispartofIEC60255isbasedonIEC61000-4-4,referringtothatpublicationwhereapplicable,andspecifiesthegeneralrequirementsforelectricalfasttransientimmunitytestsformeasuringrelaysandprotectionequipmentforpowersystemprotection,includingthecontrol,monitoringandprocessinterfaceequipmentusedwiththesesystems.Theobjectiveofthetestsistoconfirmthattheequipmentundertestwilloperatecorrectlywhenenergizedandsubjectedtorepetitivefasttransients(bursts)suchasthoseoriginatingfrominterruptingofinductiveloads,relaycontactbounce,etc.Therequirementsspecifiedinthisstandardareapplicabletomeasuringrelaysandprotectionequipmentinanewconditionandalltestsspecifiedaretypetestsonly.Theobjectofthisstandardistostate:·definitionsoftermsused;·testseveritylevel;·testequipment;·testset-up;·testprocedures;·criteriaforacceptance;·testreportrequirements.
【中国标准分类号】:L25
【国际标准分类号】:29_120_70
【页数】:25P.;A4
【正文语种】:英语
【英文标准名称】:Ropes;polypropylene;specification
【原文标准名称】:绳索聚丙烯绳索规范
【标准号】:ISO1346-1975
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodsforMeasurementofGlossofHigh-GlossSurfacesbyAbridgedGoniophotometry
【原文标准名称】:用简化滤色测角光度计测定高上光表面光泽度的标准试验方法
【标准号】:ASTME430-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E12.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;测量技术;试验;光泽度(表面);表面
【英文主题词】:distinctnessofimage;goniophotometry;reflectioncharacteristics;reflectionhaze;sheen;speculargloss
【摘要】:Theglossofmetallicfinishesisimportantcommerciallyonmetalsforautomotive,architectural,andotheruseswherethesemetalsundergospecialfinishingprocessestoproducetheappearancesdesired.Itisimportantfortheend-products,whichusesuchfinishedmetalsthatpartsplacedtogetherhavethesameglossyappearance.Itisalsoimportantthatautomotivefinishesandotherhigh-glossnonmetallicsurfacespossessthedesiredfinishedappearance.Thepresentmethodidentifiesbymeasurementsimportantaspectsoffinishes.Thosehavingidenticalsetsofnumbersnormallyhavethesameglosscharacteristics.Itusuallyrequiresmorethanonemeasurementtoidentifyproperlytheglossyappearanceofanyfinish(seeRefs3and4).1.1Thesetestmethodscoverthemeasurementofthereflectioncharacteristicsresponsiblefortheglossyappearanceofhigh-glosssurfaces.Twotestmethods,AandB,areprovidedforevaluatingsuchsurfacecharacteristicsatspecularanglesof30and20,respectively.Thesetestmethodsarenotsuitablefordiffusefinishsurfacesnordotheymeasurecolor,anotherappearanceattribute.1.2AsoriginallydevelopedbyTingleandothers(seeRefs1and2),178;thetestmethodswereappliedonlytobrightmetals.Recentlytheyhavebeenappliedtohigh-glossautomotivefinishesandothernonmetallicsurfaces.
【中国标准分类号】:J04
【国际标准分类号】:17_040_20
【页数】:6P.;A4
【正文语种】: