ANSI C57.12.21-1980 带高压套管的安装在基座上的间隔式自冷单相配电变压器的要求.高压不大于34500Y接地/19920伏,低压240/120伏,容量不大于167千伏安
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【英文标准名称】:RequirementsforPad-Mounted,Compartmental-Type,Self-Cooled,Single-PhaseDistributionTransformerswithHigh-VoltageBushings;High-Voltage,34500GrdY/19920VoltsandBelow;Low-Voltage,240/120Volts;167KVAandSmaller
【原文标准名称】:带高压套管的安装在基座上的间隔式自冷单相配电变压器的要求.高压不大于34500Y接地/19920伏,低压240/120伏,容量不大于167千伏安
【标准号】:ANSIC57.12.21-1980
【标准状态】:作废
【国别】:美国
【发布日期】:1980
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器;套管
【英文主题词】:transformers;bushings
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUsingaConeCalorimetertoDetermineFire-Test-ResponseCharacteristicsofInsulatingMaterialsContainedinElectricalorOpticalFiberCables
【原文标准名称】:用锥形量热计对电缆或光缆中绝缘材料的着火试验反应特性测定的标准试验方法
【标准号】:ASTMD6113-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:绝缘材料;防火安全;燃烧试验;电信;绝缘;热量计;电缆;纤维光缆
【英文主题词】:cable;conecalorimeter;electricalcable;electricalinsulation;fire;fire-testresponse;heatrelease;heatreleaserate;opticalfirecable;oxygenconsumptioncalorimetry;smokeobscuration
【摘要】:Thistestmethodisusedtodeterminetheheatreleaserateandanumberofotherfire-test-responsecharacteristicsasaresultofexposinginsulatingmaterialscontainedinelectricaloropticalcablestoaprescribedheatingfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatispotentiallyusefulfordesignofelectricaloropticalcables,andproductdevelopment.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedatafromthistestmethodwillnotbepredictiveofproductbehavioriftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Thefire-test-responsecharacteristicsdeterminedbythistestmethodareaffectedbythethicknessofthematerialusedastestspecimen,whetherasaplaqueorascoatingonawireorcable.Thediameterofthewireorcableusedwillalsoaffectthetestresults.Aradiantexposureisusedasanenergysourceforthistestmethod.Thistypeofsourcehasbeenusedforcomparisonwithheatreleaserateandflamespreadstudiesofinsulatingmaterialsconstructedintocableswhenburninginaverticalcabletrayconfiguration(TestMethodsD5424andD5537)(2-9).Nodefinitiverelationshipshavebeenestablished.Thevalueofheatreleaseratecorrespondingtothecriticallimitbetweenpropagatingcablefiresandnon-propagatingfiresisnotknown.Thistestmethoddoesnotdeterminethenetheatofcombustion.Ithasnotbeendemonstratedthatthistestmethodiscapableofpredictingtheresponseofelectricaloropticalfibercablesinafullscalefire.Inparticular,thistestmethoddoesnotaddresstheself-extinguishingcharacteristicsofthecablesinafullscalefire.1.1Thisisafire-test-responsestandard.1.2Severalfire-test-responsecharacteristics,includingthetimetosustainedflaming,heatreleaserate,totalheatreleased,effectiveheatofcombustion,andspecificextinctionarea;aremeasuredorcalculatedbythistestmethodataconstantradiantheatingflux.Forspecificlimitationsseealso5.7andSection6.1.3Thetestsareconductedbyburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecabletestspecimens,excludingaccessories,aresubjectedtoradiantheat.1.4Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:G31;M33
【国际标准分类号】:13_220_40;29_035_01;33_180_10
【页数】:17P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforRubberChemicals-DeterminationofInfraredAbsorptionCharacteristics
【原文标准名称】:橡胶加工用化学药液的红外线吸收特性测定的标准操作规程
【标准号】:ASTMD2702-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:炭黑;工艺;天然橡胶;红外线;合成橡胶;测定;药液;橡胶;特性
【英文主题词】:determination;carbonblack;properties;infra-red;syntheticrubber;processes;chemicals;naturalrubber;rubber
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:4P;A4
【正文语种】:英语
