BS EN 61810-2-2011 基础机电继电器.可靠性
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【英文标准名称】:Electromechanicalelementaryrelays.Reliability
【原文标准名称】:基础机电继电器.可靠性
【标准号】:BSEN61810-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:
【英文主题词】:All-or-nothingrelays;Availability;Characteristics;Confidencelimits;Contact;Contactbehaviour;Contactrelays;Controlequipment;Definitions;Electricalengineering;Electromechanical;Electromechanics;Electronicengineering;Environmentalcondition;Evaluations;Failure;Failureanalysis;Failurecriterion;Failurefrequency;Failurerates;Functionalreliability;Life(durability);Lifetest;Measurement;Measuringrelays;Measuringtechniques;Operatability;Operationalmode;Parameters;Probability;Properties;Qualityassurance;Randomsamples;Ratedcurrent;Ratedvoltage;Ratings;Relays;Reliability;Servicelife;Statisticalmethodsofanalysis;Switchclearance;Telecommunication;Telecommunications;Testcircuits;Testresults;Testing;Testingconditions;Weibull;Weibulldistribution
【摘要】:ThispartofIEC61810coverstestconditionsandprovisionsfortheevaluationofendurancetestsusingappropriatestatisticalmethodstoobtainreliabilitycharacteristicsforrelays.ItshouldbeusedinconjunctionwithIEC61649.ThisInternationalStandardappliestoelectromechanicalelementaryrelaysconsideredasnon-repaireditems(i.e.itemswhicharenotrepairedafterfailure),wheneverarandomsampleofitemsissubjectedtoatestofcyclestofailure(CTF).Thelifetimeofarelayisusuallyexpressedinnumberofcycles.Therefore,whenevertheterms“time”or“duration”areusedinIEC61649,thistermshouldbeunderstoodtomean“cycles”.However,withagivenfrequencyofoperation,thenumberofcyclescanbetransformedintorespectivetimes(e.g.timestofailure(TTF)).Thefailurecriteriaandtheresultingcharacteristicsofelementaryrelaysdescribingtheirreliabilityinnormalusearespecifiedinthisstandard.Arelayfailureoccurswhenthespecifiedfailurecriteriaaremet.Asthefailurerateforelementaryrelayscannotbeconsideredasconstant,particularlyduetowear-outmechanisms,thetimestofailureoftesteditemstypicallyshowaWeibulldistribution.Thisstandardprovidesbothnumericalandgraphicalmethodstocalculateapproximatevaluesforthetwo-parameterWeibulldistribution,aswellaslowerconfidencelimits.
【中国标准分类号】:K33
【国际标准分类号】:29_120_70
【页数】:38P.;A4
【正文语种】:英语
【原文标准名称】:基础机电继电器.可靠性
【标准号】:BSEN61810-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:
【英文主题词】:All-or-nothingrelays;Availability;Characteristics;Confidencelimits;Contact;Contactbehaviour;Contactrelays;Controlequipment;Definitions;Electricalengineering;Electromechanical;Electromechanics;Electronicengineering;Environmentalcondition;Evaluations;Failure;Failureanalysis;Failurecriterion;Failurefrequency;Failurerates;Functionalreliability;Life(durability);Lifetest;Measurement;Measuringrelays;Measuringtechniques;Operatability;Operationalmode;Parameters;Probability;Properties;Qualityassurance;Randomsamples;Ratedcurrent;Ratedvoltage;Ratings;Relays;Reliability;Servicelife;Statisticalmethodsofanalysis;Switchclearance;Telecommunication;Telecommunications;Testcircuits;Testresults;Testing;Testingconditions;Weibull;Weibulldistribution
【摘要】:ThispartofIEC61810coverstestconditionsandprovisionsfortheevaluationofendurancetestsusingappropriatestatisticalmethodstoobtainreliabilitycharacteristicsforrelays.ItshouldbeusedinconjunctionwithIEC61649.ThisInternationalStandardappliestoelectromechanicalelementaryrelaysconsideredasnon-repaireditems(i.e.itemswhicharenotrepairedafterfailure),wheneverarandomsampleofitemsissubjectedtoatestofcyclestofailure(CTF).Thelifetimeofarelayisusuallyexpressedinnumberofcycles.Therefore,whenevertheterms“time”or“duration”areusedinIEC61649,thistermshouldbeunderstoodtomean“cycles”.However,withagivenfrequencyofoperation,thenumberofcyclescanbetransformedintorespectivetimes(e.g.timestofailure(TTF)).Thefailurecriteriaandtheresultingcharacteristicsofelementaryrelaysdescribingtheirreliabilityinnormalusearespecifiedinthisstandard.Arelayfailureoccurswhenthespecifiedfailurecriteriaaremet.Asthefailurerateforelementaryrelayscannotbeconsideredasconstant,particularlyduetowear-outmechanisms,thetimestofailureoftesteditemstypicallyshowaWeibulldistribution.Thisstandardprovidesbothnumericalandgraphicalmethodstocalculateapproximatevaluesforthetwo-parameterWeibulldistribution,aswellaslowerconfidencelimits.
【中国标准分类号】:K33
【国际标准分类号】:29_120_70
【页数】:38P.;A4
【正文语种】:英语
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