【英文标准名称】:LVandMVpolymericinsulatedcablesforusebydistributionandgenerationutilities.Specificationfordistributioncableswithextrudedinsulationforratedvoltagesof11kVand33kV.Single-core33kVleadsheathedcables
【原文标准名称】:配电和发电设施用低压(LV)和中等电压(MV)聚合物绝缘电缆.额定电压为11kV和33kV的挤制绝缘配电电缆的规范.单芯33kV铅护套电缆
【标准号】:BS7870-4.11-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-12-31
【实施或试行日期】:2011-12-31
【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】:Ageingtests;Aluminium;Annealing;Bendtesting;Cablesheaths;Circularshape;Compatibility;Copper;Cross-linkedmaterials;Design;Designations;Diameter;Dimensions;Directcurrent;Electriccables;Electricconductors;Electricpowerdistributionlines;Electricscreens;Electricalinsulation;Electricalinsulationdevices;Electricaltesting;Extruding;Insulatedcables;Lead;Leadalloys;Lowvoltage;Marking;Mediumvoltage;Partialdischarges;Plasticsandrubbertechnology;Polyethylene;Polymers;Powercables;Ratedvoltage;Resistancemeasurement;Sheathedcables;Shrinkagetests;Single-corecables;Strandedconductors;Tape;Thermaltesting;Thicknessmeasurement;Typetesting;Visualinspection(testing);Voltage;Voltagemeasurement;Waterabsorption;Watercontentdetermination
【摘要】:ThissectionofBS7870specifiesrequirementsfortheconstrucion,dimensionsandmechanicalandelectricalpropertiesof19/33(36)kVsingle-corecableshavingeitheraluminiumorcopperconductors,cross-linkedpolyethylene(XLPE)extrudedinsulation,aleadalloysheathandamediumdensitypolyethlene(MDPE)oversheath.ThissectionofBS7870isapplicabletocablesthataredesignedforamaximumcontinuousconductoroperatingtemperatureof90℃andforamaximumshort-circuitconductortemperatureof250℃.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:25P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforLocationofTestSpecimensfromMagnesia-CarbonandImpregnatedBurnedBasicBrick
【原文标准名称】:碳酸镁和焙烧浸渍的碱性砖试样配置的标准实施规程
【标准号】:ASTMC1190-1995(2010)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:C08.92
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:预浸燃烧砖块;耐火材料
【英文主题词】:impregnatedburnedbrick;refractories
【摘要】:Thispracticedefinesaprocedurethatensuresreasonablyconsistentpreparationofspecimensforproducttestingandevaluation.Thispracticecanbeusedinthelaboratoriesofproducers,users,andgeneralinterestpartiesforresearchanddevelopmentorqualitycontrolwork.Itisparticularlyusefulforinterlaboratorycomparisonsonproducts,forrepetitiveevaluationsorcomparisonsofproductsorproductquality,andinspecifyingauniformpreparationpracticeforspecimensforacceptancetesting.Ifpitchimpregnatedsamplesarepreparedbywetcuttingordrilling,careshouldbetakenindryingthem.Ifthesamplesareheatedtofacilitatedrying,thetemperaturetowhichtheyareheatedshouldnotbesohighthatitcausesdrainageofpitchfromthesamples.Porositiesofmetal-containingbrickmustbemeasuredusingkeroseneormineralspiritsbecauseusingwaterwillresultinanartificiallylowresult.1.1Thispracticecoversaprocedureforpreparingtestspecimensfrommagnesia-carbonandimpregnatedburnedbasicbrick.Thispracticegenerallyconcernspreparationoftestspecimensfrombrickgreaterthan13in.(33cm)inlength.Thesebrickaremainlymanufacturedforuseinelectricarcfurnacesandbasicoxygenfurnaces.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_25
【页数】:2P.;A4
【正文语种】: