【英文标准名称】:Lowvoltagetransformers-Part1:Generalrequirements
【原文标准名称】:低压变压器.第1部分:一般要求
【标准号】:UL5085-1-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-04-17
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:空心变压器;自耦变压器;特性;低压;作标记;使用条件;过电流保护装置;电压互感器;性能;测试;变压器
【英文主题词】:Air-coretransformers;Autotransformers;Characteristics;Lowvoltage;Marking;Operatingconditions;Overcurrentprotection;Potentialtransformers;Properties;Specification(approval);Testing;Transformers
【摘要】:Theserequirementscoverthefollowingtypesoftransformers:a)Air-cooledtransformersandreactorsforgeneraluse;b)Generalpurposeautotransformers;c)Ferroresonanttransformers;d)Class2andClass3transformers(whichareevaluatedinaccordancewithPart3);e)Cord-connectedtransformers(whichareevaluatedinaccordancewithPart2);f)Transformersincorporatingovercurrentorover-temperatureprotectivedevices,transientvoltagesurgeprotectors,orcapacitors;andg)Permanently-connectedtransformers.ThesetransformersareintendedtobeusedinaccordancewiththeNationalElectricalCode,ANSI/NFPA70,orCSAC22.1,theCanadianElectricalCode,PartI.TheCanadianElectricalCodedefineslowvoltageasanyvoltagefrom31to750Vinclusiveandhighvoltageasanyvoltageabove750V.TheNationalElectricalCode,ANSI/NFPA70,defineslowvoltageasanyvoltageupto600V,nominal.Therefore,lowvoltagetransformersintendedforuseinCanadamayberatedabove600Vupto750V.LowvoltagetransformersintendedforuseintheUnitedStatesareratedupto600V.Whereinformationinclausesandtablesinthisstandardreferencevoltageranges,thelimitof600VappliesintheUnitedStates,whilethelimitof750VappliesinCanada.Thestandarddoesnotcoverthefollowingtransformers:a)Directplug-intypes;b)Neon;c)Liquid-immersed;d)Variablevoltage(Variac);e)Lowvoltagelandscape;f)Swimmingpoolandspa:g)Ignition;h)Highintensitylighting;i)Toy;j)Fluorescentlamptypes;k)Transformersforwelders;l)Distribution;m)TransformersintendedforuseintheUnitedStateswithanominalprimaryratingofmorethan600V;n)Transformersincorporatingrectifyingorwaveshapingcircuitry;o)Transformersforusewithradio-andtelevision-typeappliances;p)TransformersintendedforuseintheUnitedStateshavingovervoltagetapsratedover660V;q)Autotransformersusedinindustrialcontrolequipment,whichareevaluatedinaccordancewiththerequirementsoftheStandardforIndustrialControlEquipment,UL508,orCSAC22.2No.14,IndustrialControlEquipment;andr)Otherspecialtypesoftransformerscoveredinrequirementsforotherelectricaldevicesorappliances.Part1,aswellasPart2andPart3,establishthecharacteristics,construction,operatingconditions,markings,andtestconditionsforeachtypeoftransformer.Therequirementsinthisstandardmaybemodifiedbyrequirementsinanendproductstandardifatransformerisintendedforuseonlyasacomponentinotherequipment.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:
【正文语种】:英语