【英文标准名称】:Communicationcables.Generalconsiderationsfortheuseofcables.Environmentalconditionsandsafetyaspects
【原文标准名称】:通信电缆.电缆使用的总则.环境条件和安全性
【标准号】:BSEN50290-4-1-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-01-22
【实施或试行日期】:2002-01-22
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;耐化学性;气候条件;同轴电缆;通信电缆;通信技术;电气装置;环境条件;周围条件;环境影响;环境可持续性;安装;机械性能;核辐射;光学的;安全性;对称的;电信;耐候性试验
【英文主题词】:Cables;Chemicalresistance;Climaticcondition;Coaxialcables;Communicationcables;Communicationtechnology;Electricalinstallations;Environmentalconditions;Environmentaleffect;Environmentalsustainability;Installations;Mechanicalproperties;Nuclearradiation;Optical;Safety;Symmetrical;Telecommunication;Weatheringtests
【摘要】:TobereadinconjunctionwithBSEN50290-1-1:2001
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Equipmentreliabilitytesting-Part6:Testsforthevalidityandestimationoftheconstantfailurerateandconstantfailureintensity
【原文标准名称】:设备可靠性测试.第6部分:恒定失效率和恒定失效密度的有效性和评估试验
【标准号】:IEC60605-6-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-05
【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/TC56
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;数据;缺陷;电器;电气工程;电驱动装置;设备;评估;失效;失效率;图解法;指导手册;假设;寿命周期;可维护性;维修;数值法;概率计算;可靠度;可靠度测试;表示法;样本大小;规范(验收);统计方法分析;统计测试;统计学;失效统计学;测试;有效性;验证
【英文主题词】:Analysis;Data;Defects;Electricappliances;Electricalengineering;Electrically-operateddevices;Equipment;Evaluations;Failure;Failurerates;Graphicalmethods;Guidebooks;Hypothesis;Lifecycles;Maintainability;Maintenance;Numericalmethods;Probabilitycalculations;Reliability;Reliabilitytesting;Representations;Samplesize;Specification(approval);Statisticalmethodsofanalysis;Statisticaltesting;Statistics;Statisticsoffailure;Testing;Validity;Verification
【摘要】:Thisstandardspecifiesprocedurestoverifytheassumptionofaconstantfailurerateorconstantfailureintensity,asdefinedinIEC60050(191),andtoidentifypatternsinthefailurerateorintensity.Theseproceduresareapplicablewheneveritisnecessarytoverifysuchassumptions.Thismaybeduetoarequirementorforthepurposeofassessinganyvariationwithtimeofthefailurerateorfailureintensity.Theobjectivesofthemethodsspecifiedinthisstandardareasfollows:–totestwhetherthetimestofailureofnon-repaireditemsareexponentiallydistributed,i.e.thefailurerateisconstant;–totestwhetherthetimesbetweenfailuresofrepaireditem(s)haveanytimetrend,i.e.thefailureintensitydoesnotexhibitanincreasingordecreasingtrend;–toconstructgraphsthatallowthepatternsinthefailurerateorfailureintensitytobedisplayed,withaviewtoverifyingwhethertheycanbeassumedconstant,toestimatetheirvaluesortoidentifythenatureofanydeparturefromconstancy.
【中国标准分类号】:K04
【国际标准分类号】:03_120_10;19_020;29_020
【页数】:88P;A4
【正文语种】:英语