基本信息
| 标准名称： | 数控仿形床身铣床 技术条件 |
| 中标分类： |
机械 >>
金属切削机床 >>
钻、镗、铣床 |
| 替代情况： | 被JB/T 8329-2008代替 |
| 发布日期： | 1997-08-18 |
| 实施日期： | 1998-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2008-11-01 |
| 归口单位： | 北京铣 床研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 10 页 |
| 批文号： | 机械科[1997]656号 |
适用范围
JB/T 8599.2-1997
前言
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目录
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引用标准
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所属分类： 机械 金属切削机床 钻 镗 铣床
【英文标准名称】:Safetyofpowertransformers,powersupplyunitsandsimilardevices-Part2-13:Particularrequirementsforauto-transformersforgeneraluse
【原文标准名称】:电力变压器、电源装置及类似设备的安全第2-13部分:通用自耦变压器的特殊要求
【标准号】:IEC61558-2-13-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-10
【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】:规范(验收);试验;定义;电气工程;安全;防火安全;安全要求;机械安全;电气安全;变压器;供电系统;自耦变压器;主部件;限压装置;主变压器
【英文主题词】:Autotransformers;Definition;Definitions;Electricalengineering;Electricalsafety;Firesafety;Mainstransformers;Mainsunits;Mechanicalsafety;Powersupplysystem;Safety;Safetyrequirements;Small-powertransformers;Specification(approval);Testing;Transformers;Voltage-limitingdevice
【摘要】:Replacement:ThisInternationalStandarddealswithallaspectsofsafetysuchaselectrical,thermalandmechanical.Thispart2-13ofIEC61558appliestostationaryorportable,single-phaseorpolyphase,air-cooled(naturalorforced),independentorassociatedauto-transformers,havingaratedsupplyvoltagenotexceeding1000Va.a.,aratedfrequencynotexceeding500Hz.Thecorepowerdoesnotexceed:-1kVAforsingle-phaseauto-transformers;-5kVAforpolyphaseauto-transformers.Theratedoutputdoesnotexceed:-20kVAforsingle-phaseauto-transformers;-100kVAforpolyphaseauto-transformers.Thisstandardisalsoapplicabletoauto-transformershavingacorepowerupto40kVA,howeversuchtransformersareconsideredasspecialtransformersandaresubjectedtoanagreementbetweenthepurchaserandthesupplier.Suchspecialauto-transformershavenolimitationfortheratedoutput.Theno-loadoutputvoltageandtheratedoutputvoltagedonotexceed1000Va.c.or1415Vripple-freed.c.Forindependentauto-transformers,theno-loadoutputvoltageandtheratedoutputvoltagearenotlessthan50Va.c.or120Vripplefreed.c.Thisstandardisapplicabletotransformerswherenoinsulationbetweencircuitsisrequiredbytheinstallationrulesorbytheequipmentspecifications.NOTE1-Normally,thetransformersareintendedtobeassociatedwithequipmenttoprovidevoltagesdifferentfromthesupplyvoltageforthefunctionalrequirementsoftheequipment.Thesafetyinsulationmaybeprovidedbyotherfeaturesoftheequipment,suchasthebody.Thisstandardisapplicabletodry-typetransformers.Thewindingsmaybeencapsulatedornon-encapsulated.NOTE2-Fortransformersfilledwithliquiddielectricorpulverisedmaterial,suchassand,requirementsareunderconsideration.NOTE3-Attentionisdrawntothefactthat:-fortransformersintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;-fortransformersintendedtobeusedintropicalcountries,specialrequirementsmaybenecessary;-inlocationswherespecialenvironmentalconditionsprevail,particularrequirementsmaybenecessary.Thisstandardalsoappliestotransformersincorporatingelectroniccircuits.Thisstandarddoesnotapplytoexternalcircuitsandtheircomponentsintendedtobeconnectedtotheinputandoutputterminalsorsocket-outletsofthetransformer.Thisstandarddoesnotapplytovariableauto-transformersdescribedintheIEC60989.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:25P;A4
【正文语种】:英语