IEC 60865-2-1994 短路电流效应的计算.第2部分:计算举例
时间:2024-05-14 12:45:50 来源: 标准资料网 作者：标准资料网 阅读：8609
【英文标准名称】:Short-circuitcurrents-Calculationofeffects-Part2:Examplesofcalculation
【原文标准名称】:短路电流效应的计算.第2部分:计算举例
【标准号】:IEC60865-2-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC73
【标准类型】:()
【标准水平】:()
【中文主题词】:短路电流;电气工程;效应;数学计算
【英文主题词】:Effects;Electricalengineering;Mathematicalcalculations;Short-circuitcurrents
【摘要】:TheobjectistoshowtheapplicationofproceduresforthecalculationofmechanicalandthermaleffectsduetoshortcircuitsaspresentedinIEC865-1.Thus,itisinadditiontoIEC865-1.However,itdoesnotchangethebasisforstandardizedproced
【中国标准分类号】:K04
【国际标准分类号】:17_220_01
【页数】:81P;A4
【正文语种】:英语
【英文标准名称】:Graphicalsymbols-Testmethodsforjudgedcomprehensibilityandforcomprehension.
【原文标准名称】:图形符号.用于判断理解性和理解力的试验方法
【标准号】:NFX05-012-2001
【标准状态】:作废
【国别】:法国
【发布日期】:2001-12-01
【实施或试行日期】:2001-12-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Definition;Definitions;Development;Graphicsymbols;Information;Intelligibility;Public;Symbols;Tests
【摘要】:
【中国标准分类号】:A22
【国际标准分类号】:01_080_10
【页数】:42P.;A4
【正文语种】:其他
【英文标准名称】:StandardSpecificationfor&x201C;TwistOff&x201D;TypeTensionControlStructuralBolt/Nut/WasherAssemblies,Steel,HeatTreated,120/105ksiMinimumTensileStrength
【原文标准名称】:最小抗张强度为120/105ksi的热处理钢制"拧松式"张力控制结构螺栓/螺母/垫圈组件的标准规范
【标准号】:ASTMF1852-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F16.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:螺栓;碳素钢;紧固件;质量要求;钢
【英文主题词】:alternatedesignfasteners;bolts;carbonsteel;fasteners;splineend;structural;tensioncontrolbolt;tensioncontrolboltassembly;twist-offbolt;weatheringsteel;Boltingmaterials;Bolt/nut/washerassembly;Nutsspecifications;Steelboltingmaterialsspecifications;Structuralsteel(SS)boltingmaterialsspecifications;Tensioncontrolstructuralbolt/nut/washerassembly;“Twistoff”typebolt/nut/washerassembly;Washers/washerassembliesspecifications
【摘要】:1.1Thisspecificationcoverstwotypesofheattreated,steel,tensioncontrolbolt-nut-washerassemblies,alsoreferredtoasx201C;sets.x201D;Theseassembliesarecapableofdevelopingaminimumpredeterminedtensionwheninstalledbyapplyingtorquetothenut,whileatthesametimeapplyingacountertorquetoseparatethesplineendfromthebodyoftheboltusinganappropriatesplinedriveinstallationtool.1.2Anassemblyconsistsofatensioncontrolboltwithsplineend(coveredbythisspecification)andasuitablenutandwashercoveredbyreferencetoapplicableASTMspecifications.1.3Thefastenerassembliesareintendedforuseinstructuralconnections.Theseconnections,installationprocedures,andtheuseofalternatedesignstructuralboltsarecoveredundertherequirementsofthex201C;SpecificationforStructuralJointsUsingASTMA325orA490Bolts,x201D;approvedbytheResearchCouncilonStructuralConnection.1.4Theassembliesareavailablewitheitherround(buttonordome)heads,heavyhexstructuralheads,oralternatedesignheadsdescribedinSection10andFig.1,insizesx00BD;to11/8in.inclusive,intwotypesspecifiedinSection4.1.5TermsusedinthisspecificationaredefinedinTerminologyF1789unlessotherwisedefinedherein.1.6Thefollowingprecautionarystatementpertainsonlytothetestmethodportions,Sections13and14,ofthisSpecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:21_060_01;21_060_01
【页数】:8P.;A4
【正文语种】: