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IEC 61558-2-7-2007 电力变压器、电源、电抗器和类似产品的安全.第2-7部分:玩具用变压器和电源的特殊要求和试验

作者:标准资料网 时间:2024-05-20 10:50:55  浏览:9004   来源:标准资料网
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【英文标准名称】:Safetyofpowertransformers,powersupplies,reactorsandsimilarproducts-Part2-7:Particularrequirementsandtestsfortransformersandpowersuppliesfortoys
【原文标准名称】:电力变压器、电源、电抗器和类似产品的安全.第2-7部分:玩具用变压器和电源的特殊要求和试验
【标准号】:IEC61558-2-7-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC96
【标准类型】:()
【标准水平】:()
【中文主题词】:空气冷却;接触安全装置;定义;电气工程;电气安全;电源设备;作标记;便携的;供电系统;电力变压器;防电击;额定值;小功率变压器;规范(验收);固定的;试验;玩具变压器;玩具;变压器;应用
【英文主题词】:Air-cooled;Contactsafetydevices;Definitions;Electricalengineering;Electricalsafety;Mainsunits;Marking;Portable;Powersupplysystem;Powertransformers;Protectionagainstelectricshocks;Ratings;Small-powertransformers;Specification(approval);Stationary;Testing;Toytransformer;Toys;Transformers;Use
【摘要】:Replacement:ThispartofIEC61558dealswithsafetyaspectsoftransformersfortoysandpowsuppliesincorporatingtransformersfortoyssuchaselectrical,thermalandmechanicalsafety.ThisPart2-7isapplicabletotransformersfortoysandpowsuppliesincorporatingbothtransformersfortoysandelectroniccircuits.ThisPart2-7isnotapplicabletoexternalcircuitsandtheircomponentsintendedtobeconnectedtotheinputterminals,outputterminalsorsocket-outletsofthetransformersandpowsupplies.ThisPart2-7appliestostationaryandportable,single-phase,air-cooled(naturalorforced),transformersfortoysandpowsuppliesincorporatingtransformersfortoys,havingaratedsupplyvoltagenotexceeding250Va.c.,aratedsupplyandinternaloperatingfrequencynotexceeding500Hz,aratedoutputnotexceeding200VAandaratedoutputcurrentnotexceeding10A.ThisPart2-7isapplicabletoindependenttransformersandtransformersforspecificuse.ThisPart2-7isapplicabletodry-typetransformersfortoys.Thewindingsmaybeencapsulatedornon-encapsulated.Theno-loadoutputvoltagedoesnotexceed33Va.c.fortransformersfortoysandpowsuppliesincorporatingtransformersfortoys,or46Vripple-freed.c.forpowsuppliesincorporatingtransformersfortoys,andtheratedoutputvoltagedoesnotexceed24Va.c.fortransformersandpowsupplies,or33Vripple-freed.c.forpowsupplies.Ingeneral,thisPart2-7doesnottakeintoconsiderationchildrenplayingwiththetransformersfortoysandpowsuppliesincorporatingtransformersfortoys.
【中国标准分类号】:K41;K80
【国际标准分类号】:29_180
【页数】:35P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodfortheAnalysisofRefrigerant114,PlusOtherCarbon-ContainingandFluorine-ContainingCompoundsinUraniumHexafluorideviaFourier-TransformInfrared(FTIR)Spectroscopy
【原文标准名称】:用傅里叶转换红外(FTIR)光谱法分析六氟化铀中制冷剂114加上其它含碳和含氟化合物的标准试验方法
【标准号】:ASTMC1441-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:烃类;试验方法;傅里叶;光谱学;六氟化铀;制冷剂;红外线光谱法;碳;氟;化合物
【英文主题词】:carboncompounds;chlorocarbons;fluoridecompounds;Fourier-transforminfraredspectroscopy;halohydrocarbons;hydrocarbons;refrigerant-114;uraniumhexafluoride
【摘要】:Thistestmethod(PartA)utilizesFTIRspectroscopytodeterminethepercentRefrigerant-114impurityinuraniumhexafluoride.Refrigerant-114isanexampleofanimpuritygasinuraniumhexafluoride.Thedetectionofhydrocarbons,chlorocarbons,andpartiallyorcompletelysubstitutedhalohydrocarbonsinUF6(PartB)isgovernedbytheprovisionsinSpecificationC996.1.1Thistestmethodcoversdeterminingtheconcentrationsofrefrigerant-114,othercarbon-containingandfluorine-containingcompounds,hydrocarbons,andpartiallyorcompletelysubstitutedhalohydrocarbonsthatmaybeimpuritiesinuraniumhexafluoride.Thetwooptionsareoutlinedforthistestmethod.TheyaredesignatedasPartAandPartB.1.1.1ToprovideinstructionsforperformingFourier-TransformInfrared(FTIR)spectroscopicanalysisforthepossiblepresenceofRefrigerant-114impurityinagaseoussampleofuraniumhexafluoride,collectedina"2S"containerorequivalentatroomtemperature.TheallgasprocedureappliestotheanalysisofpossibleRefrigerant-114impurityinuraniumhexafluoride,andtothegasmanifoldsystemusedforFTIRapplications.Thepressureandtemperaturesmustbecontrolledtomaintainagaseoussample.Theconcentrationunitsareinmolepercent.ThisisPartA.1.2PartBinvolvesahighpressureliquidsampleofuraniumhexafluoride.Thismethodcanbeappliedtothelimitsofdetectionforhydrocarbons,chlorocarbons,andpartiallyorcompletelysubstitutedhalohydrocarbonsasspecifiedinMethodC996.Thelimitsofdetectionareinunitsofmolepercentconcentration.1.3PartApertainstoSections7-10andPartBpertainstosections12-16.1.4Thesetestoptionsareapplicabletothedeterminationofhydrocarbons,chlorocarbons,andpartiallyorcompletelysubstitutedhalohydrocarbonscontainedasimpuritiesinuraniumhexafluoride(UF6).Gasessuchascarbontetrafluoride(CF4),whichabsorbinfraredradiationinaregionwhereuraniumhexafluoridealsoabsorbsinfraredradiation,cannotbeanalyzedviathesemethodsduetospectraloverlap/interference.1.5Thesetestoptionsarequantitativeandapplicableintheconcentrationrangesfrom0.0001to0.100molepercent,dependingontheanalyte.1.6Thesetestmethodscanalsobeusedforthedeterminationofnon-metallicfluoridessuchassilicontetrafluoride(SiF4),phosphoruspentafluoride(PF5),borontrifluoride(BF3),andhydrofluoricacid(HF),plusmetal-containingfluoridessuchasmolybdenumhexafluoride(MoF6).Theavailabiltyofhighqualitystandardsforthesegasesisnecessaryforquantitativeanalysis.1.7Thesemethodscanbeextendedtoothercarbon-containingandinorganicgasesaslongas:1.7.1Therearenotanyspectralinterferencesfromuraniumhexafluoride''sinfraredabsorbances.1.7.2Thereshallbeaknowncalibrationorknown"K"(value[s])fortheseothergases.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:ReferenceSoftwareAMENDMENT13:Geometryandshadowreferencesoftware
【原文标准名称】:信息技术.视听对象编码.第5部分:参考软件.修改件13:图形和阴影参考软件
【标准号】:ANSI/INCITS/ISO/IEC14496-5AMD13-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;视听的;代码表示;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;多媒体;对象;参考材料;参考;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Referencematerials;References;Videosignals
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语



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