SAE AMS4249 Aluminum Alloy, Castings 7.0si 0.58mg 0.15ti 0.06be (D357.0-T6) Solution and Precipitation Heat Treated (Req
时间:2024-05-20 10:58:26 来源: 标准资料网 作者：标准资料网 阅读：8524
Product Code:SAE AMS4249
Title:Aluminum Alloy, Castings 7.0si 0.58mg 0.15ti 0.06be (D357.0-T6) Solution and Precipitation Heat Treated (Requiring Fatigue and Fracture Toughness Testing)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of castings.
【英文标准名称】:UninterruptiblePowerSystems(UPS)-Part1:GeneralandsafetyrequirementsforUPS
【原文标准名称】:不间断电源(UPS).第1部分:UPS用一般要求和安全要求
【标准号】:IEC62040-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-06
【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/SC22H
【标准类型】:()
【标准水平】:()
【中文主题词】:元部件;定义;电力变换器;电力系统;电气工程;电气安全;电驱动装置;电子工程;电子设备及元件;检验;使用条件;操作者;电力电子学;安全;安全规则;安全要求;半导体器件;半导体;规范(验收);测试;可不间断的;不间断电源
【英文主题词】:Components;Definitions;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electronicengineering;Electronicequipmentandcomponents;Inspection;Operatingconditions;Operators(personnel);Powerelectronics;Safety;Safetyregulations;Safetyrequirements;Semiconductordevices;Semiconductors;Specification(approval);Testing;Uninterruptable;Uninterruptiblepowersystems
【摘要】:ThispartofIEC62040appliestouninterruptiblepowersystems(UPS)withanelectricalenergystoragedeviceinthed.c.link.ItisusedwithIEC60950-1,whichisreferredtointhisstandardas"RD"(referencedocument).NOTEUPSapplicationsgenerallymakeuseofachemicalbatteryastheenergystoragedevice.Alternativedevicesmaybesuitable,andassuch,where“battery”appearsinthetextofthisstandard,whereapplicable,thismaybeunderstoodas“energystoragedevice”.Whenaclauseisreferredtobythephrase"Thedefinitionsortheprovisionsofitem/RDapply",thisphraseisintendedtomeanthatthedefinitionsorprovisionsinthatclauseofIEC60950-1apply,exceptanywhichareclearlyinapplicabletouninterruptiblepowersystems.NationalrequirementsadditionaltothoseinIEC60950-1applyandarefoundasnotesunderrelevantclausesoftheRD.TheprimaryfunctionoftheUPScoveredbythisstandardistoensurecontinuityofanalternatingpowersource.TheUPSmayalsoservetoimprovethequalityofthepowersourcebykeepingitwithinspecifiedcharacteristics.ThisstandardisapplicabletoUPSwhicharemovable,stationary,fixedorforbuilding-in,foruseinlow-voltagedistributionsystemsandintendedtobeinstalledinanyoperatoraccessibleareaorinrestrictedaccesslocationsasapplicable.Itspecifiesrequirementstoensuresafetyfortheoperatorandlaymanwhomaycomeintocontactwiththeequipmentand,wherespecificallystated,fortheserviceperson.ThisstandardisintendedtoensurethesafetyofinstalledUPS,bothasasingleUPSunitorasasystemofinterconnectedUPSunits,subjecttoinstalling,operatingandmaintainingtheUPSinthemannerprescribedbythemanufacturer.ThisstandarddoesnotcoverUPSbasedonrotatingmachines.Electromagneticcompatibility(EMC)requirementsanddefinitionsaregiveninIEC62040-2.
【中国标准分类号】:K85
【国际标准分类号】:29_160_40;29_200
【页数】:123P;A4
【正文语种】:英语
Product Code:SAE J830
Title:Fuel Injection Equipment Nomenclature
Issuing Committee:Diesel Fuel Injection Equipment Standards Committee
Scope:This SAE Standard establishes a vocabulary and definitions relating to the components used in fuel injection systems for compression ignition (diesel) engines. Definitions are separated into six sections by topic as follows: Section 3 Fuel Injection Pumps; Section 4 Fuel Injectors; Section 5 Unit Injectors; Section 6 Governors; Section 7 Timing Devices; Section 8 High Pressure Pipes and Connections.