ANSI/ASTM D2307-2006 薄膜绝缘圆磁性导线的耐热性试验方法
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来源:标准资料网
【英文标准名称】:TestMethodforThermalEnduranceofFilm-InsulatedRoundMagnetWire
【原文标准名称】:薄膜绝缘圆磁性导线的耐热性试验方法
【标准号】:ANSI/ASTMD2307-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【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】:绝缘;试验;金属线;电缆;电气工程;电绝缘;箔;加热;磁的;热稳定性
【英文主题词】:Cables;Electricalengineering;Electricalinsulation;Foil;Heating;Insulations;Magnetic;Testing;Thermalstability;Wires
【摘要】:
【中国标准分类号】:K12
【国际标准分类号】:29_060_10
【页数】:
【正文语种】:英语
基本信息
标准名称: | 500kV 油浸式并联电抗器技术参数和要求 |
英文名称: | Sperification and technical requirements for 500kV oil immersed shunt reactors |
中标分类: |
电工 >>
输变电设备 >>
变压器 |
ICS分类: |
电气工程 >>
变压器、电抗器
|
发布部门: | 中华人民共和国机械工业部 |
发布日期: | 1998-05-26 |
实施日期: | 1998-12-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国变压器标准化技术委员会 |
归口单位: | 全国变压器标准化技术委员会 |
起草单位: | 沈阳变压器有限责任公司 |
起草人: | 鑫传龙、方治强、林然、禹云长、朱建新 |
出版社: | 机械工业出版社 |
出版日期: | 1998-12-01 |
页数: | 9页 |
批文号: | 国机科[1998]128号 |
适用范围
本标准规定了500 kV级额定容量为40~80 Mvar,单相油浸式并联电抗器的性能参数、技术要求、试验方法和检验规则、标志、包装、运输和贮存。
本标准适用于电压等级为500 kV级、额定容量为40~80Mvar,额定频率为50 Hz的单相油浸式并联电抗器(以下简称电抗器)
前言
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目录
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引用标准
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所属分类: 电工 输变电设备 变压器 电气工程 变压器 电抗器
【英文标准名称】:StandardPracticeforDeterminingtheInclusionorSecond-PhaseConstituentContentofMetalsbyAutomaticImageAnalysis
【原文标准名称】:用自动图象分析法测定钢和其他金属杂质含量的规程
【标准号】:ASTME1245-2003(2008)
【标准状态】:现行
【国别】:美国
【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】:E04.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:exogenousinclusion;feature-specificmeasurements;fieldmeasurements;imageanalysis;inclusions;indigenousinclusions;lightmicroscopy;oxide;second-phaseparticles;statisticalanalysis;stereology;sulfide;Photomicrography;Second-phase
【摘要】:Thispracticeisusedtoassesstheindigenousinclusionsorsecond-phaseconstituentsofmetalsusingbasicstereologicalproceduresperformedbyautomaticimageanalyzers.Thispracticeisnotsuitableforassessingtheexogenousinclusionsinsteelsandothermetals.Becauseofthesporadic,unpredictablenatureofthedistributionofexogenousinclusions,othermethodsinvolvingcompleteinspection,forexample,ultrasonics,mustbeusedtolocatetheirpresence.Theexactnatureoftheexogenousmaterialcanthenbedeterminedbysectioningintothesuspectregionfollowedbyserial,step-wisegrindingtoexposetheexogenousmatterforidentificationandindividualmeasurement.Directsizemeasurementratherthanapplicationofstereologicalmethodsisemployed.Becausethecharacteristicsoftheindigenousinclusionpopulationvarywithinagivenlotofmaterialduetotheinfluenceofcompositionalfluctuations,solidificationconditionsandprocessing,thelotmustbesampledstatisticallytoassessitsinclusioncontent.Thelargestlotsampledistheheatlotbutsmallerlots,forexample,theproductofaningot,withintheheatmaybesampledasaseparatelot.Thesamplingofagivenlotmustbeadequateforthelotsizeandcharacteristics.Thepracticeissuitableforassessmentoftheindigenousinclusionsinanysteel(orothermetal)productregardlessofitssizeorshapeaslongasenoughdifferentfieldscanbemeasuredtoobtainreasonablestatisticalconfidenceinthedata.Becausethespecificsofthemanufactureoftheproductdoinfluencethemorphologicalcharacteristicsoftheinclusions,thereportshouldstatetherelevantmanufacturingdetails,thatis,dataregardingthedeformationhistoryoftheproduct.Tocomparetheinclusionmeasurementresultsfromdifferentlotsofthesameorsimilartypesofsteels,orothermetals,astandardsamplingschemeshouldbeadoptedsuchasdescribedinPracticeE45.Thetestmeasurementproceduresarebasedonthestatisticallyexactmathematicalrelationshipsofstereologyforplanarsurfacesthroughathree-dimensionalobjectexaminedusingreflectedlight(seeNote1).Theorientationofthesectioningplanerelativetothehot-workingaxisoftheproductwillinfluencetestresults.Ingeneral,alongitudinallyorientedtestspecimensurfaceisemployedinordertoassessthedegreeofelongationofthemalleable(thatis,deformable)inclusions.Oxideinclusionmeasurementsforcastmetals,orforwroughtsectionsthatarenotfullyconsolidated,maybebiasedbypartialorcompletedetectionoffineporosityormicroshrinkagecavitiesandarenotrecommended.Sulfidescanbediscriminatedfromsuchvoidsinmostinstancesandsuchmeasurementsmaybeperformed.Resultsofsuchmeasurementsmaybeusedtoqualifymaterialforshipmentaccordingtoagreeduponguidelinesbetweenpurchaserandmanufacturer,forcomparisonofdifferentmanufacturingprocessesorprocessvariations,ortoprovidedataforstructure-property-behaviorstudies.1.1Thispracticedescribesaprocedureforobtainingstereologicalmeasurementsthatdescribebasiccharacteristicsofthemorphologyofindigenousinclusionsinsteelsandothermetalsusingautomaticimageanalysis.Thepracticecanbeappliedtoprovidesuchdataforanydiscretesecondphase.Note18212;Stereologicalmeasurementmethodsareusedinthispracticetoassesstheaveragecharacteristicsofinclusionsorothersecond-phaseparticlesonalongitudinalplane-of-polish.Thisinformation,byitself,doesnotproduceathree-dimensionaldescriptionoftheseconstituentsinspaceasdeformationprocessescauserotationandalignmentoftheseconstituentsinapreferredmanner.Developmentofsuchinforma......
【中国标准分类号】:H26
【国际标准分类号】:77_040_99
【页数】:8P.;A4
【正文语种】:英语