您的位置: 标准下载 » 国际标准 » NF 法国标准 »

NF Z66-800-3-1996 信息处理系统.光纤分部式数据界面(FDDI).第3部分:物理媒体相关子层(PMD)

时间:2024-05-15 14:27:18 来源: 标准资料网 作者:标准资料网 阅读:8838
下载地址: 点击此处下载
【英文标准名称】:Informationprocessingsystems.Fibredistributeddatainterface(fddi).Part3:physicallayermediumdependent(pmd).
【原文标准名称】:信息处理系统.光纤分部式数据界面(FDDI).第3部分:物理媒体相关子层(PMD)
【标准号】:NFZ66-800-3-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Circuitnetworks;Communicationprocedures;Datainterface;Dataprocessing;Datatransfer;Definition;Definitions;FDDI;Fibredistributeddatainterface;Fibreoptics;Hostsystems;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Media;Networkinterconnection;Opticalfibres;Opticalwaveguides;Physicallayers
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:33_180_99;35_200
【页数】:60P.;A4
【正文语种】:其他


【英文标准名称】:Plasticspipingsystemsfornon-pressureundergrounddrainageandsewerage-Unplasticizedpoly(vinylchloride)(PVC-U),polypropylene(PP)andpolyethylene(PE)-Part1:Specificationsforancillaryfittingsincludingshallowinspectionchambers;German
【原文标准名称】:无压力地下排水和排污用塑料管道系统.未增塑聚乙烯(氯乙烯)(PVC-U),聚丙烯(PP)和聚乙烯(PE).第1部分:包括浅层检验室在内的辅助配件规范;德国
【标准号】:EN13598-1-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accessories;Components;Definitions;Depressurized;Dimensions;Fittings;Materials;PE;Pipelines;Pipingsystem;Plasticpipes;Plastics;Polyethylene;Polypropylene;Polyvinylchloride;PP;Properties;PVC-pipes;PVC-U;Sewage;Sewers;Shafts;Specification(approval);Undergroundinstallations;Unplasticized;Unplasticizedpolyvinylchloride;Waterpractice
【摘要】:
【中国标准分类号】:P41
【国际标准分类号】:93_030
【页数】:25P;A4
【正文语种】:英语


【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part4-2:Contactorsandmotor-starters-ACsemiconductormotorcontrollersandstarters
【原文标准名称】:低压开关设备和控制设备第4-2部分:接触器和电动机起动器交流半导体电动机控制器和起动器
【标准号】:IEC60947-4-2-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-12
【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/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;规范(验收);定义;定义;电气工程;特性;低电压;检验;半导体工程;半导体连接器;控制装置;开关设备;固体闸流管;半导体;交流电压;半导体器件;控制器;低压设备;低压电器;电动机起动器;低压开关设备;断路器;接触器;电动机接触器(开关);短路保护;起动器
【英文主题词】:Abilitytoswitch;Activities;Alternatingvoltages;Ambienttemperature;Applications;Atmosphere;Auxiliarycircuits;Auxiliarycontactors;Behaviour;Categories;Characteristics;Circuit-breakers;Circuits;Classification;Classificationsystems;Clearances;Compressors;Conditions;Conductivity;Conduits;Connectionsystems;Connections;Constructionrequirements;Constructions;Contactors;Contactorsformotors;Contamination;Continuouscurrent;Controldevices;Controllers;Cooling;Coordination;Criterion;Definitions;Degreeofsharpness;Disconnection;Duration;Electricstarters;Electricalengineering;Electricalequipment;Electromagneticcompatibility;Electromagnetism;Electromechanical;Electronic;Electronicengineering;EMC;Enclosures;Firerisks;Fluctuation;Frequencies;Handlings;Heating;Heightabovesealevel;Impulsevoltages;Inductionmotors;Inscription;Inserts;Inspection;Installations;Instructionsforuse;Insulations;Interferencerejections;Interferences;Interferingemissions;Leakagepaths;Letterings;Limits(mathematics);Lockingdevices;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maincircuit;Maintenance;Marking;Materials;Mechanic;Media;Methods;Moisture;Motorstarters;Motors;Mounting;Operatingcurrent;Operatinginstructions;Operatingtemperatures;Operation;Overload;Overloadprotection;Overloadrelays;Overvoltage;Poles;Powerfrequency;Productinformation;Properties;Radiation;Relays;Resistors;Semiconductorcontactors;Semiconductordevices;Semiconductorengineering;Semiconductors;Set-upinstructions;Shortcircuits;Short-circuitprotection;Short-time;Shutdown;Solid-statethyratrons;Specification(approval);Squirrel-cagemotors;Stability;Standardload;Starters;Storagecondition;Strengthofmaterials;Stress;Switchgear;Switching-in;Take-off;Temperature;Testsequence;Testing;Thermal;Transport;Trippingmechanism;Typeofcurrent;Use;Vacuum;Vibration;Windings
【摘要】:Thisstandardappliestocontrollersandstarters,whichmayincludeaseriesmechanicalswitchingdevice,intendedtobeconnectedtocircuits,theratedvoltageofwhichdoesnotexceed1000Va.c.Thisstandardcharacterizescontrollersandstarterswithandwithoutbypassmeans.Controllersandstartersdealtwithinthisstandardarenotnormallydesignedtointerruptshort-circuitcurrents.Therefore,suitableshort-circuitprotection(see8.2.5)shouldformpartoftheinstallation,butnotnecessarilyofthecontrollerorstarter.Inthiscontext,thisstandardgivesrequirementsforcontrollersandstartersassociatedwithseparateshort-circuitprotectivedevices.Thisstandarddoesnotapplyto:-continuousoperationofa.c.motorsatmotorspeedsotherthanthenormalspeed;-semiconductorequipment,includingsemiconductorcontactors(see2.2.13ofIEC60947-1)controllingnon-motorloads;-electronica.c.powercontrollerscoveredbyIEC60146.Contactorsandcontrolcircuitdevicesusedincontrollersandstartersshouldcomplywiththerequirementsoftheirrelevantproductstandard.Wheremechanicalswitchingdevicesareused,theyshouldmeettherequirementsoftheirownIECproductstandard,andtheadditionalrequirementsofthisstandard.Theobjectofthisstandardistostateasfollows:-thecharacteristicsofcontrollersandstartersandassociatedequipment;-theconditionswithwhichcontrollersandstartersshallcomplywithreferenceto:a)theiroperationandbehaviour;b)theirdielectricproperties;c)thedegreesofprotectionprovidedbytheirenclosureswhereapplicable;d)theirconstruction;-thetestsintendedforconfirmingthattheseconditionshavebeenmet,andthemethodstobeadoptedforthesetests;-theinformationtobegivenwiththeequipment,orinthemanufacturer'sliterature.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:155P.;A4
【正文语种】:英语