TB/T 3074-2003 铁道信号设备雷电电磁脉冲防护技术条件
时间:2024-05-09 16:10:27 来源: 标准资料网 作者:标准资料网 阅读:9296
基本信息
标准名称: | 铁道信号设备雷电电磁脉冲防护技术条件 |
英文名称: | Technical specification for protection against lightning electromagnetic impulse on railway signaling equipments |
中标分类: |
铁路 >>
铁路信号 >>
铁路信号综合 |
ICS分类: |
|
发布部门: | 中国人民共和国铁道部 |
发布日期: | 2003-03-12 |
实施日期: | 2003-09-01 |
首发日期: | |
作废日期: | |
主管部门: | 中国人民共和国铁道部 |
提出单位: | 北京全路通信信号研究设计院 |
归口单位: | 北京全路通信信号研究设计院 |
起草单位: | 铁道科学研究院通信信号研究所 |
起草人: | 邱传睿、安乾栋、魏建国、李永毅 |
出版社: | 中国铁道出版社 |
出版日期: | 2003-09-01 |
页数: | 17页 |
适用范围
本标准规定了铁路信号电子设备对雷电电磁脉冲诱发的过电压和过电流安全防护的基本原则和防护技术要求,不考虑铁路信号设备所处场地建筑物对直接雷击的防护。
前言
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引用标准
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所属分类: 铁路 铁路信号 铁路信号综合
【英文标准名称】:SpecificationforSoundLevelMeters
【原文标准名称】:声级计规范
【标准号】:ANSIS1.4-1983
【标准状态】:现行
【国别】:美国
【发布日期】:1983
【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】:ASA(ASCS1)
【标准类型】:()
【标准水平】:()
【中文主题词】:传声器;方位;声学;声级表;噪声测量;放大器;测量精度;规范(批准);定义;声级;声级;规范;规范(验收)
【英文主题词】:Acoustics;Amplifiers;Definition;Definitions;Measuringaccuracy;Microphones;Noisemeasurement;Orientation;Soundlevel;Soundlevels;Soundmeters;Specification;Specification(approval)
【摘要】:Thisstandardspecifiesminimumrequirementsforthreebasictypesofsoundlevelmeters,types0,1,and2,withperformancerequirementsthatbecomeprogressivelylessstringent,proceedingfromtype0totype2.Foreachtype,thestandardrequiresth
【中国标准分类号】:N65
【国际标准分类号】:17_140_01
【页数】:20P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforValidationofthePerformanceofProcessStreamAnalyzerSystems
【原文标准名称】:过程流量分析仪系统性能确认的标准实施规范
【标准号】:ASTMD3764-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.25
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Analyzersystems;Automatedprocedures--petroleumproductsanalysis;Automaticprocesssteamanalyzers;Dataanalysis--petroleumproducts;Dixonapos;stest;Monitoring--petroleumtesting;Outlierrejection;Processstreamanalysis;Samplingpetroleumprod
【摘要】:Thispracticecanbeusedtoquantifytheperformanceofaprocessstreamanalyzersystemoritssubsystemintermsofprecisionandbiasrelativetothoseofaprimarytestmethodforthepropertyofinterest.Thispracticeprovidesdevelopersormanufacturersofprocessstreamanalyzersystemswithusefulproceduresforevaluatingthecapabilityofnewlydesignedsystemsforindustrialapplicationsthatrequirereliablepredictionofmeasurementsofaspecificpropertybyaprimarytestmethodofaflowingcomponentorproduct.Thispracticeprovidespurchasersofprocessstreamanalyzersystemswithsomereliableoptionsforspecifyingacceptancetestrequirementsforprocessstreamanalyzersystemsatthetimeofcommissioningtoensurethesystemiscapableofmakingthedesiredpropertymeasurementwiththeappropriateprecisionorbiasspecifications,orboth.PPTMRfromAnalyzerSystemsvalidatedinaccordancewiththispracticecanbeusedtopredict,withaspecifiedconfidence,whatthePTMRwouldbe,towithinaspecifiedtolerance,iftheactualprimarytestmethodwasconductedonthematerialsthatarewithinthevalidatedpropertyrangeandtype.Thispracticeprovidestheuserofaprocessstreamanalyzersystemwithusefulinformationfromon-goingqualitycontrolchartstomonitorthevariationinx0394;overtime,andtriggerupdateofcorrelationrelationshipbetweentheanalyzersystemandprimarytestmethodinatimelymanner.Validationinformationobtainedintheapplicationofthispracticeisapplicableonlytothematerialtypeandpropertyrangeofthematerialsusedtoperformthevalidation.Selectionofthepropertylevelsandthecompositionalcharacteristicsofthesamplesmustbesuitablefortheapplicationoftheanalyzersystem.Thispracticeallowstheusertowriteacomprehensivevalidationstatementfortheanalyzersystemincludingspecificlimitsforthevalidatedrangeofapplication.Thispracticedoesnotrecommendextrapolationofvalidationresultsbeyondthematerialtypeandpropertyrangeusedtoobtaintheseresults.Inaddition,usersarecautionedthatformeasurementsystemsthatshowmatrixdependencies,biasinformationdeterminedfrompurecompoundsorsimplemixturesofpurecompoundsmaynotberepresentativeofthatachievedonactualprocessorproductsamples.1.1ThispracticedescribesproceduresandmethodologiesbasedonthestatisticalprinciplesofPracticeD6708tovalidatewhetherthedegreeofagreementbetweentheresultsproducedbyatotalanalyzersystem(oritssubsystem),versustheresultsproducedbyanindependenttestmethodthatpurportstomeasurethesameproperty,meetsuser-specifiedrequirements.Thisisaperformance-basedvalidation,tobeconductedusingasetofmaterialsthatarenotusedaprioriinthedevelopmentofanycorrelationbetweenthetwomeasurementsystemsunderinvestigation.AresultfromtheindependenttestmethodishereinreferredtoasaPrimaryTestMethodResult(PTMR).1.2ThispracticeassumesanycorrelationnecessarytomitigatesystemicbiasesbetweentheanalyzersystemandPTMhavebeenappliedtotheanalyzerresults.1.3Thispracticerequiresthatboththeprimarymethodagainstwhichtheanalyzeriscomparedto,andtheanalyzersystemunderinvestigation,areinstatisticalcontrol.PracticesdescribedinPracticeD6299shouldbeusedtoensurethisconditionismet.1.4Thispracticeappliesiftheprocessstreamanalyzersystemandtheprimarytestmethodarebasedonthesamemeasurementprinciple(s),or,iftheprocessstreamanalyzersystemusesadirectandwell-understoodmeasurementprinciplethatissimilartothemeasurementprincipleoftheprimarytestmethod.Thispracticealsoapplies......
【中国标准分类号】:N04
【国际标准分类号】:17_120_10
【页数】:16P.;A4
【正文语种】:英语