DIN 17670 Bb.2-1969 铜和锻铜合金板材和带材.交货技术条件
时间:2024-05-11 15:32:45 来源: 标准资料网 作者：标准资料网 阅读：9153
【英文标准名称】:Plate,SheetandStripofCopperandWroughtCopperAlloys;TechnicalConditionsofDelivery
【原文标准名称】:铜和锻铜合金板材和带材.交货技术条件
【标准号】:DIN17670Bb.2-1969
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:Railwayapplications-Insulationcoordination-Basicrequirements-Clearancesandcreepagedistancesforallelectricalandelectronicequipment
【原文标准名称】:铁路设施.绝缘协调.基本要求.所有电气和电子设备的余隙距离和蠕变距离
【标准号】:BSEN50124-1-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-05-15
【实施或试行日期】:2001-05-15
【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】:电气工程;电子设备及元件;漏电路径;铁路设备;电绝缘;余隙距离;信号;电气设备;铁道车辆
【英文主题词】:Applications;Clearances;Creepagedistances;Definition;Definitions;Dimensioning;Dimensions;Electricpowersystems;Electricalengineering;Electricalequipment;Electricalinsulation;Electrically-operateddevices;Electronically-operateddevices;Equipment;Guidebooks;Insulationcoordination;Insulationvoltage;Leakagepaths;Measurement;Railtransport;Railwayapplications;Railwayvehicles;Railways;Signals;Specification(approval);Testing;Testingvoltages;Use;Vehicles
【摘要】:Thewholedocumentdealswithinsulationcoordinationinrailways.Itappliestoequipmentforuseinsignalling,rollingstockandfixedinstallationsupto2000mabovesealevel.Insulationcoordinationisconcernedwiththeselection,dimensioningandcorrelationofinsulationbothwithinandbetweenitemsofequipment.Indimensioninginsulation,electricalstressesandenvironmentalconditionsaretakenintoaccount.Forthesameconditionsandstressesthesedimensionsarethesame.Anobjectiveofinsulationcoordinationistoavoidunnecessaryoverdimensioningofinsulation.Thisstandardspecifies:-requirementsforclearancesandcreepagedistancesforequipment;-generalrequirementsfortestspertainingtoinsulationcoordination.Thetermequipmentrelatestoasectionasdefinedin1.3.1.3:itmayapplytoasystem,asub-system,anapparatus,apartofanapparatus,oraphysicalrealizationofanequipotentialline.Thisstandarddoesnotdealwith:-distancesthroughsolidorliquidinsulation;-distancesthroughgasesotherthanair;-distancesthroughairnotatatmosphericpressure;-equipmentusedunderextremeconditions.Productstandardshavetoalignwiththisgenericstandard.However,theymayrequire,withjustification,differentrequirementsduetosafetyand/orreliabilityreasons,e.g.forsignalling,and/orparticularoperatingconditionsoftheequipmentitself,e.g.overheadlineswhichhavetocomplytoEN50119.Thisstandardalsogivesprovisionsfordielectrictests(typetestsorroutinetests)onequipment(seeannexB).NOTEForsafetycriticalsystems,specificrequirementsareneeded.TheserequirementswillberesolvedintheproductspecificsignallingstandardEN50129(inpreparation).
【中国标准分类号】:S04
【国际标准分类号】:
【页数】:52P;A4
【正文语种】:英语
【英文标准名称】:ClassificationofAusteniteGrainSizeinSteels
【原文标准名称】:焊缝韧性的定向弯曲试验方法
【标准号】:ASTME19-1946
【标准状态】:作废
【国别】:
【发布日期】:1946
【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】:
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:试验;金属;机械试验;弯曲试验;焊缝;延展性;延展性试验
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
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