GB/T 3028-1995 船用电气号灯技术条件
作者:标准资料网 时间:2024-05-07 21:31:20 浏览:9710
来源:标准资料网
基本信息
| 标准名称： | 船用电气号灯技术条件 |
| 英文名称： | Technical requirements for marine electric signal lights |
| 中标分类： |
船舶 >>
船舶电气、观通、导航设备 >>
床用照明与其他电器 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
船用电气设备
|
| 替代情况： | GB 3028-1982;被GB/T 3028-2012代替 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1995-06-02 |
| 实施日期： | 1996-06-01 |
| 首发日期： | 1982-04-15 |
| 作废日期： | 2012-11-01 |
| 主管部门： | 中国船舶工业集团公司 |
| 归口单位： | 全国海洋船标准化技术委员会 |
| 起草单位： | 大连灯具厂 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 平装16开， 页数：13， 字数：21千字 |
适用范围
本标准规定了船用电气号灯的技术要求、试验方法、检验规则、包装和储存等。本标准适用于电源电压在250V以下的交流及直流的各类民用船舶航行用电气号灯。
前言
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目录
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引用标准
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所属分类： 船舶 船舶电气 观通 导航设备 床用照明与其他电器 造船和海上建筑物 船舶和海上建筑物综合 船用电气设备
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Contactorsandmotor-starters-Electromechanicalcontactorsandmotor-starters
【原文标准名称】:低压开关设备和控制设备规范.连接器和起动器.电动机械连接器和起动器
【标准号】:BSEN60947-4-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-09-15
【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】:开关设备;低压电器;电控制设备;接触器;电驱动装置;电起动器;防护电气设备;低电压;机电装置;电气设备
【英文主题词】:Abilitytoswitch;Applications;Auxiliarycontactors;Characteristics;Classification;Classificationsystems;Contactorrelays;Contactors;Contactorsformotors;Controldevices;Criterion;Definitions;Degreeofsharpness;Electricmotors;Electricstarters;Electricalengineering;Electromagneticcompatibility;Electromechanical;Electromechanicaldevices;Electronic;Electronicengineering;EMC;Frequencies;Handlings;Inscription;Inserts;Inspection;Installations;Instructionsforuse;Interferencerejections;Interferingemissions;Letterings;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Miscellaneousfunctions;Motorstarters;Operatinginstructions;Operation;Overloadprotection;Overloadrelays;Productinformation;Properties;Radiation;Set-upinstructions;Short-circuitprotection;Shutdown;Specification(approval);Starters;Switchgear;Switchgears;Switchingpower;Take-off;Testing
【摘要】:ThispartofIEC60947appliestothetypesofequipmentlistedin1.1and1.2whosemaincontactsareintendedtobeconnectedtocircuitstheratedvoltageofwhichdoesnotexceed1000Va.c.or1500Vd.c.Startersand/orcontactorsdealtwithinthisstandardarenotnormallydesignedtointerruptshort-circuitcurrents.Therefore,suitableshort-circuitprotection(see9.3.4)shallformpartoftheinstallationbutnotnecessarilyofthecontactororthestarter.Inthiscontext,thisstandardgivesrequirementsfor:-contactorsassociatedwithoverloadand/orshort-circuitprotectivedevices;-startersassociatedwithseparateshort-circuitprotectivedevicesand/orwithseparateshort-circuitandintegratedoverloadprotectivedevices;-contactorsorstarterscombined,underspecifiedconditions,withtheirownshort-circuitprotectivedevices.Suchcombinations,e.g.combinationstarters(see3.2.7)orprotectedstarters(see3.2.8)areratedasunits.Circuit-breakersandfuse-combinationunitsusedasshort-circuitprotectivedevicesincombinationstartersandinprotectedstartersshallcomplywiththerequirementsofIEC60947-2andIEC60947-3,asthecasemaybe.Equipmentcoveredbythisstandardisasfollows.1ACandd.c.contactorsACandd.c.contactorsintendedforclosingandopeningelectriccircuitsand,ifcombinedwithsuitablerelays(see1.2),forprotectingthesecircuitsagainstoperatingoverloadswhichmayoccurtherein.NOTEContactorscombinedwithsuitablerelaysandwhichareintendedtoprovideshort-circuitprotectionshalladditionallysatisfytherelevantconditionsspecifiedforcircuit-breakers(IEC60947-2).Thisstandardappliesalsototheactuatorsofcontactorrelaysandtothecontactsdedicatedexclusivelytothecoilcircuitofacontactor.2ACmotor-startersACmotor-startersintendedtostartandacceleratemotorstonormalspeed,toensurecontinuousoperationofmotors,toswitchoffthesupplyfromthemotorandtoprovidemeansfortheprotectionofmotorsandassociatedcircuitsagainstoperatingoverloads.StarterstheoperationofwhichdependsonthermalelectricalrelaysformotorprotectioncomplyingwithIEC60255-8,ormotor-incorporatedthermalprotectivedevicesdealtwithinIEC60034-11donotnecessarilymeetalltherelevantrequirementsofthisstandard.Overloadrelaysforstarters,includingthosebasedonsolidstatetechnology,shallmeettherequirementsofthisstandard.2.1Direct-on-line(fullvoltage)a.c.startersDirect-on-linestartersintendedtostartandaccelerateamotortonormalspeed,toprovidemeansfortheprotectionofthemotoranditsassociatedcircuitsagainstoperatingoverloads,andtoswitchoffthesupplyfromthemotor.Thisstandardappliesalsotoreversingstarters.2.2Reducedvoltagea.c.startersReducedvoltagea.c.startersintendedtostartandaccelerateamotortonormalspeedbyconnectingthelinevoltageacrossthemotorterminalsinmorethanonesteporbygraduallyincreasingthevoltageappliedtotheterminals,toprovidemeansfortheprotectionofthemotoranditsassociatedcircuitsagainstoperatingoverloads,andtoswitchoffthesupplyfromthemotor.Automaticchange-overdevicesmaybeusedtocontrolthesuccessiveswitchingoperationsfromonesteptotheothers.Suchautomaticchange-overdevicesare,forexample,time-delaycontactorrelaysorspecifiedtimeall-or-nothingrelays,under-currentdevicesandautomaticaccelerationcontroldevices(see5.10).2.2.1Star-deltastartersStar-deltastartersintendedtostartathree-phasemotorinthestarconnection,toensurecontinuousoperationinthedeltaconnection,toprovidemeansfortheprotectionofthemotoranditsassociatedcircuitsagainstoperatingoverloads,andtoswitchoffthesupplyfromthemotor.Thestar-deltastartersdealtwithinthisstandardarenotintendedforreversing
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:108P.;A4
【正文语种】:英语
Product Code:SAE AMS6488
Title:Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C) (Cancelled Jan 2008)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a low-alloy steel in the form of bars, forgings, and forging stock.
