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BS EN 61230-2008 带电作业.便携式接地或接地短路设备

作者:标准资料网 时间:2024-04-27 15:58:16  浏览:9115   来源:标准资料网
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【英文标准名称】:Liveworking-Portableequipmentforearthingorearthingandshort-circuiting
【原文标准名称】:带电作业.便携式接地或接地短路设备
【标准号】:BSEN61230-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-03-31
【实施或试行日期】:2009-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;耐久性;定义(术语);接地装置;接地装置;电气工程;电气安全;电气安全性;移动的;易动的;便携的;防电击;选择;短路电流;试验;测试;痕量元素分析;电压
【英文主题词】:Definitions;Devicesforearthing;Earthingdevices;Electricalengineering;Electricalsafety;Mobile;Portable;Protectionagainstelectricshocks;Selection;Short-circuitcurrents;Testing;Voltage
【摘要】:ThisInternationalStandardisapplicabletoportableequipment,withorwithoutmatchingconnectionpoints,fortemporaryearthingorearthingandshort-circuitingofelectricallyisolatedorde-energizeda.c.andd.c.installations,distributionandtransmissionnetworks,whethertheyareoverheadorundergroundorofloworhighvoltage.NOTEAnnexAprovidesguidanceforapplicationtorailwaysystems.Thisstandardcoversequipmentcomprisinganearthingorashort-circuitingoranearthingandshort-circuitingdeviceandinsulatingcomponent.AnexampleisgiveninFigure1aandFigure1b.Italsocovers:–earthingorshort-circuitingorearthingandshort-circuitingdevicesintendedtobeinstalledwithinsulatingmeans.AnexampleofanearthingdeviceisgiveninFigure1c;–separatecomponents,suchasconductiveextension(seeFigure1b)orclamporcablewithendfittings.Theperformanceofequipment,devicesandcomponentscoveredbythisstandardisbasedonelectro-dynamicandelectro-thermaleffectsactingduringshort-circuit.Thewithstandcapabilityofthedevicesandequipmentisexpressedbytheirratedvaluesofcurrent,timeandpeakfactor.Noratedvoltageisgiven,butthegeometricaldimensionsoftheequipmentarealsolinkedtothevoltageoftheinstallation.Examplesofconnectiondiagramsofearthingandshort-circuitingdevicesaregiveninFigures2and3.AssociatedusuallengthsofcablesaregiveninTable1.Notcoveredinthisstandardare:–insulatingmeans,suchasinsulatingsticks,telescopicsticks,insulatinghandles,insulatinggloves,aerialdeviceswithinsulatingbooms,insulatingropestobeusedtoinstalltheearthingandshort-circuitingdevice;–insulatingcomponents,exceptforbasicsafetyrequirementsfortheinsulatingelement;NOTEBasicsafetyrecommendationsforearthingsticksaregiveninAnnexB.–devicesmeantonlyforthedrainingofinducedcurrents;–relevantworkingproceduresforusingportableequipmentforearthingorearthingandshort-circuiting.NOTETheequipmentcomplyingwiththisstandardshouldbeusedaccordingtosafeworkingproceduresandaccordingtolocalornationalregulation,suchasliveworkingordeadworkingprocedures.
【中国标准分类号】:K47
【国际标准分类号】:13_260;29_260_99
【页数】:66P.;A4
【正文语种】:英语


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【英文标准名称】:Mechanicalstandardizationofsemiconductordevices-Part6-3:Generalrulesforthepreparationofoutlinedrawingsofsurfacemountedsemiconductordevicepackages;Measuringmethodsforpackagedimensionsofquadflatpacks(QFP)
【原文标准名称】:半导体器件的机械标准化第6-3部分:绘制表面安装半导体器件封装外形图的一般规则四面扁平封装尺寸的测量方法
【标准号】:IEC60191-6-3-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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/SC47D
【标准类型】:()
【标准水平】:()
【中文主题词】:表面安装;图纸;工程图;电子设备及元件;标准化;电气工程;半导体器件;外壳;编写;电气外壳;连接;设计;测量技术;测量;定义;定义;力学;电子工程;图例;半导体;多语种的;容器制图;半导体器件的包装;表示法;表面安装器件;特性;尺寸;组件
【英文主题词】:Casedrawing;Components;Connections;Definitions;Design;Dimensions;Drawings;Electricenclosures;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Engineeringdrawings;Illustrations;Measurement;Measuringtechniques;Mechanic;Multilingual;Properties;Representations;Semiconductordevices;Semiconductorpackage;Semiconductors;Standardization;Surfacemounting;Surfacemountingdevices
【摘要】:ThispartofIEC60191stipulatesamethodforquadflatpacks(QFP)measuringdimensionswhichareclassifiedintoFormE.
【中国标准分类号】:L40
【国际标准分类号】:01_100_25;31_240
【页数】:
【正文语种】:英语


【英文标准名称】:Photographicsensitometry,determinationofopticaldensity;spectralconditions
【原文标准名称】:照相感光度测量技术.光密度的测定.光谱条件
【标准号】:DIN4512-9-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光密度分析法;光密度;光密度分析;摄影;密度;测量技术;作标记;解释;数学计算;测量;试验;透射率;定义;表(数据);条件;摄影技术;辐射测量法;测量设备;光学的;传输性能;波谱;摄影材料;彩色摄影;单色摄影;感光测定;辐射通量密度;光密度计
【英文主题词】:Colourphotography;Conditions;Definitions;Densitometers;Densitometricanalysis;Densitometry;Density;Densitymeasurement;Diffuse;Fluxdensity;Geometry;Interpretations;Light;Marking;Mathematicalcalculations;Measurement;Measuringequipment;Measuringtechniques;Monochromephotography;Optical;Opticaldensity;Opticalmeasurement;Phototechnology;Photographicmaterials;Photography;Powertransmissionsystems;Radiantfluxdensity;Radiometry;Sensitometry;Spectra;Spectraldensity;Tables(data);Testing;Testingconditions;Transmission;Transmissionproperty;Transmittances
【摘要】:Thedocumentspecifiesthespectralconditionsforthemeasuringofseveraltypesofopticaldensitiesusedinphotography,toevaluateprocessedblack-andwhiteorcolouredimagesoffilms,papersandplates.
【中国标准分类号】:G81
【国际标准分类号】:37_040_01
【页数】:11P;A4
【正文语种】:德语



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