NF C52-216-10-2009 电力变压器和电抗器配件.第10部分:油气热交换器

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【英文标准名称】:Powertransformerandreactorfittings-Part10:oil-to-airheatexchangers.
【原文标准名称】:电力变压器和电抗器配件.第10部分:油气热交换器
【标准号】:NFC52-216-10-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-05-01
【实施或试行日期】:2009-05-22
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;风冷系统;扼流圈;冷却器;冷却;定义;尺寸;电气工程;电驱动装置;架设(施工作业);配件;总论;热交换器;电感器;感应器;油冷却;油浸式变压器;电力变压器;性能;合格试验;定额牌;额定值;反应堆;可置换性;常规检验;规范(验收);测试;变压器油;变压器;水冷却
【英文主题词】:Accessories;Air-cooledsystems;Chokes(electric);Coolers;Cooling;Definitions;Dimensions;Electricalengineering;Electrically-operateddevices;Erecting(constructionoperation);Fittings;Generalsection;Heatexchangers;Inductors;Oilcooling;Oil-immersedtransformers;Powertransformers;Properties;Qualificationtests;Ratingplates;Ratings;Reactors;Replaceability;Routinechecktests;Specification(approval);Testing;Transformeroil;Transformers;Watercooling
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:20P;A4
【正文语种】:其他


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【英文标准名称】:StandardTestMethodforCoefficientofLinearThermalExpansionofPlasticsBetween-30&176Cand30&176CWithaVitreousSilicaDilatometer
【原文标准名称】:用玻璃硅膨胀计测定塑料在-30℃和30℃之间的线性热膨胀的标准试验方法
【标准号】:ASTMD696-2003
【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(ASTM)
【起草单位】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:热膨胀系数;热膨胀;塑料;试验
【英文主题词】:coefficientofexpansion;linearexpansion;plastics;thermalexpansion;
【摘要】:1.1Thistestmethodcoversdeterminationofthecoefficientoflinearthermalexpansionforplasticmaterialshavingcoefficientsofexpansiongreaterthan1x1061176;Cbyuseofavitreoussilicadilatometer.Atthetesttemperaturesandunderthestressesimposed,theplasticmaterialsshallhaveanegligiblecreeporelasticstrainrateorboth,insofarasthesepropertieswouldsignificantlyaffecttheaccuracyofthemeasurements.Note18212;ThereisnosimilarorequivalentISOstandard.1.1.1TestMethodE228shallbeusedfortemperaturesotherthan30176;Cto30176;C.1.1.2Thistestmethodshallnotbeusedformeasurementsonmaterialshavingaverylowcoefficientofexpansion(lessthan1x1061176;C).Formaterialshavingverylowcoefficientofexpansion,interferometerorcapacitancetechniquesarerecommended.1.2Thethermalexpansionofaplasticiscomposedofareversiblecomponentonwhicharesuperimposedchangesinlengthduetochangesinmoisturecontent,curing,lossofplasticizerorsolvents,releaseofstresses,phasechangesandotherfactors.Thistestmethodisintendedfordeterminingthecoefficientoflinearthermalexpansionundertheexclusionofthesefactorsasfaraspossible.Ingeneral,itwillnotbepossibletoexcludetheeffectofthesefactorscompletely.Forthisreason,thetestmethodcanbeexpectedtogiveonlyanapproximationtothetruethermalexpansion.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】:


Product Code:SAE USCAR5
Title:Avoidance of Hydrogen Embrittlement of Steel
Issuing Committee:
Scope:This standard outlines the conditions that enhance the risk of hydrogen embrittlement of steel and defines the relief procedures required to minimize the risk of hydrogen embrittlement. It is intended to control the process.