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Product Code:SAE AMS4145
Title:Alumunim Alloy, Forgings, 12.2si 1.1mg 0.9cu 0.9ni (Cancelled Sep 1996)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification has been 'CANCELLED' by the Aerospace Materials Division, SAE, as of September 1996. Alloy: 4032-T6 UNS Number: A94032【英文标准名称】:AmericanNationalStandardRequirementsforPad-Mounted,Compartmental-TypeSelf-Cooled,Single-PhaseDistributionTransformersWithHighVoltageBushings;High-Voltage,34500GRYD/19920VoltsandBelow;Low-Voltage,240/120Volts;167kVAandSmal
【原文标准名称】:带高压套管的安装在基座上的间隔式自冷单相配电变压器用美国国家标准要求.高压不大于34500Y接地/19920伏、低压240/120伏、容量不大于167千伏安
【标准号】:ANSIC57.12.21-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992-07-05
【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】:
【英文主题词】:
【摘要】:Thisstandardisintendedforuseasabasisfordeterminingperformance,interchangeability,andsafetyoftheequipmentcovered,andtoassistintheproperselectionofsuchequipment.Thisstandardcoverscertainelectrical,dimensional,andmechanicalcharacteristicsandtakesintoconsiderationcertainsafetyfeaturesofsingle-phase,60Hz,mineral-oil-immersed,self-cooled,padmounted,compartmental-typedistributiontransformerswithhigh-voltagebushings.Thesetransformersarerated167kVAandsmaller,withhigh-voltagesof34500GRD/19900voltsandbelowforoperationbetweenonephaseandgroundedneutral,andlow-voltageof240/120volts.Thesetransformersaregenerallyusedforstep-downpurposesfromanundergroundprimarycablesupply.NOTE—Refertolatestfederalregulationsconcerningpolychlorinatedbiphenyl(PCB)contaminationsintransformers.Thisstandardcoversbushingandterminalarrangementsforbothradialandloopfeedsystems.Thisstandarddoesnotcovertheelectricalandmechanicalrequirementsofanyaccessorydevicesthatmaybesuppliedwiththetransformer.
【中国标准分类号】:K41
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】:英语