BS EN 60137-2008 交流电压大于1000V的绝缘套管

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【英文标准名称】:Insulatedbushingsforalternatingvoltagesabove1000V
【原文标准名称】:交流电压大于1000V的绝缘套管
【标准号】:BSEN60137-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-03-31
【实施或试行日期】:2009-03-31
【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】:验收检验;交流电网络;交流电压试验;交流电压;套管;复合绝缘子;尺寸选定;电气工程;绝缘套管;额定电压装置;绝缘水平;绝缘件;绝缘子;漏泄试验;作标记;测量;使用条件;顺序示度;电容率;压力试验;合格试验;树脂;常规检验;测试;测试要求;热试验;变换;变压器;电压测量;穿墙引入线绝缘导管
【英文主题词】:Acceptanceinspection;Alternatingcurrentnetworks;Alternatingvoltagetests;Alternatingvoltages;Bushings;Compositeinsulators;Dimensioning;Electricalengineering;Electrically-insulatedbushings;Installationsforratedvoltages;Insulationlevels;Insulations;Insulators;Leaktests;Marking;Measurement;Operatingconditions;Orderindications;Permittivity;Pressuretests;Qualificationtests;Resins;Routinechecktests;Testing;Testingrequirements;Thermaltesting;Transformation;Transformers;Voltagemeasurement;Wall-entranceinsulators
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsandtestsforinsulatedbushings.Thisstandardisapplicabletobushings,asdefinedinClause3,intendedforuseinelectricalapparatus,machinery,transformers,switchgearandinstallationsforthree-phasealternatingcurrentsystems,havinghighestvoltageforequipmentabove1000Vandpowerfrequenciesof15Hzuptoandincluding60Hz.Subjecttospecialagreementbetweenpurchaserandsupplier,thisstandardmaybeapplied,inpartorasawhole,tothefollowing:?bushingsusedinotherthanthree-phasesystems;?bushingsforhigh-voltagedirectcurrentsystems;?bushingsfortestingtransformers;?bushingsforcapacitors.Specialrequirementsandtestsfortransformerbushingsinthisstandardapplyalsotoreactorbushings.Thisstandardisapplicabletobushingsmadeandsoldseparately.Bushingswhichareapartofanapparatusandwhichcannotbetestedaccordingtothisstandardshouldbetestedwiththeapparatusofwhichtheyformpart.
【中国标准分类号】:K15
【国际标准分类号】:29_080_20
【页数】:62P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodsforPrecipitatedSilica-SurfaceAreabySinglePointB.E.T.NitrogenAdsorption
【原文标准名称】:沉淀二氧化硅的标准试验方法.用单点B.E.T.氮的吸附法沉淀的硅表面积
【标准号】:ASTMD5604-1996(2006)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D11.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石墨;气体吸附;材料;粒径分析;测试;试验
【英文主题词】:nitrogenadsorptionsurfacearea;precipitatedhydratedsilica;silicas;surfacearea
【摘要】:ThesetestmethodsmeasuretheapproximatesurfaceareaofprecipitatedhydratedsilicasthatisavailabletothenitrogenmoleculeusinganapproximationoftheB.E.T.method.Whilethemulti-pointversionoftheB.E.T.methodisgenerallyacceptedasbeinglesspronetoerrorsarisingfromthevaryingsurfacepropertiesofindividualsamples,thesingle-pointapproximationisoftenadequateduetotheshortertimepertestandrelativesimplicityoftheinstrumentationneeded.Qualitycontrolapplicationsandcomparativetestsonnear-identicalsamplesofclosechemicalandmicro-structuralcompositionarelikelytobetheapplicationsofgreatestvalue.1.1Thesetestmethodscoveraproceduretomeasurethesurfaceareaofprecipitatedhydratedsilicasby,asinglepointapproximationoftheBrunauer,Emmett,andTeller(B.E.T.)theoryofmultilayergasadsorption.Thesetestmethodsspecifythesamplepreparationandtreatment,instrumentcalibrations,requiredaccuracyandprecisionofexperimentaldata,andcalculationsofthesurfacearearesultsfromtheobtaineddata.1.2Thesetestmethodsareusedtodeterminethesinglepointnitrogensurfaceareasintherangeof10to50hm2kg(10to500m2/g).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Theminimumsafetyequipmentshouldincludeprotectivegloves,sturdyeyeandfaceprotection.
【中国标准分类号】:H81
【国际标准分类号】:19_120
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Stationarysourceemissions-DeterminationofthemassconcentrationofPCDDs/PCDFs-Identificationandquantification
【原文标准名称】:固定源排放.PCDDs/PCDFs的质量浓度测定.标识及量化
【标准号】:BSEN1948-3-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定量分析;化学分析和试验;质量控制;空气;固定的;工业空气污染物;干扰(化学);多氯化二苯并呋喃;色谱法;污染;定性分析;气相色谱法;燃烧产物;含量测定;校正;污染物气体;再现性;质谱学;空气污染;气体分析
【英文主题词】:
【摘要】:ThepresentPartoftheStandardspecifiestheidentificationandquantificationproceduresofthesampledPCDDs/PCDFs.Itisanintegralpartofthecompletemeasurementprocedure.TheuseoftheothertwoPartsofthisStandard,EN1948-1:1996andEN1948-2:1996,describingsamplingandextractionandclean-up,respectively,isnecessaryforthedeterminationofthePCDDs/PCDFs.ThisStandardhasbeendesignedtomeasurePCDD/PCDFconcentrationsatabout0,1ngI-TEQ/minstationarysourceemissions.ThisStandardspecifiesbothmethodvalidationandaframeworkofqualitycontrolrequirementswhichhavetobefulfilledbyanyPCDD/PCDFidentificationandquantificationmethodstobeapplied.SomemethodsaredescribedindetailinannexAasexamplesofprovenprocedures.Eachofthethreesamplingmethods(Part1)canbecombinedwiththeextractionandclean-up(Part2)andtheidentificationandquantificationtocompletethemeasurementprocedure.Duringcomparisonmeasurementsonamunicipalwasteincineratoratthelevelofabout0,1ngI-TEQ/mthesethreemethodshavebeendeemedcomparablewithintheexpectedrangeofuncertainty.Validationtrialswereperformedonthefluegasofmunicipalwasteincineratorsatthelevelofabout0,1ngI-TEQ/mandadustloadingoffrom1mg/mto15mg/m.Inprincipleitisnotpossibletoevaluatetheaccuracy(truenessandprecision)ofemissionmeasurements.Followingthevalidationtrialstheinternalandexternalvariabilitieswerecalculatedfortheprocessconsideredandaregiveninclause13.ThesevariabilitiesgiveanindicationofthevariabilitieswhichhavebeenobservedwhenusingthisStandardandneedtobetakenintoaccountwhenexpressingresults.TheproceduredescribedinthethreepartsoftheEN1948:1996laysdownrequirementsinordertomeasureevery2,3,7,8-chlorinesubstitutedPCDD/PCDFcongenerrequiredtocalculatethetotalI-TEQ(seetableA.1ofEN1948-1:1996).
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:34P;A4
【正文语种】:英语