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ASME B30.23-1998 载人提升系统

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【英文标准名称】:PersonnelLiftingSystems
【原文标准名称】:载人提升系统
【标准号】:ASMEB30.23-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:提升;人员
【英文主题词】:Lifting;Personnel
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:91_140_90
【页数】:48P;A4
【正文语种】:英语


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【英文标准名称】:Soundandtelevisionbroadcastreceiversandassociatedequipment-Immunitycharacteristics-Limitsandmethodsofmeasurement;GermanversionEN55020:2007/A11:2011
【原文标准名称】:声音和电视广播接收机及相关设备.抗扰特性.测量极限和方法
【标准号】:EN55020/A11-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-06-01
【实施或试行日期】:2012-06-01
【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】:Abbreviations;Absorbers;Aerialpick-ups;Antennas;Broadcastreceivers;Broadcasting;Calibration;Circuits;Connections;Determinations;Digitalsignals;Electricmains;Electrical;Electricalengineering;Electricity;Electromagneticcompatibility;Electromagnetism;EMC;Enclosures;Entertainmentelectronics;Entrances;Evaluations;Exits;Externalfields;Extraneoussignals;Filters;Frequencies;Headphoneconnection;Headphones;Imagequality;Immunity;Impedance;Incidentlightradiation;Influencequantities;Information;Instruments;Interferencerejections;Interferencesuppression;Layout;Limits(mathematics);Loudspeakersocket;Loudspeakers;Measurement;Measuringtechniques;Operatingmode;Operationallocation;Overviews;Radiodisturbances;Radioequipment;Radioreceivers;Receivers;Reception;Reproductions;Rooms;Satellitecommunications;Satellitereception;Satellites;Screeningattenuation;Screens;Sound;Soundbroadcasting;Soundquality;Sound-broadcastingreceivers;Specification(approval);Stress;Strips;Supplyvoltage;Systems;Television;Televisionbroadcasting;Televisionreceivers;Testing;Testingconditions;Testingrequirements;Video;Videoequipment
【摘要】:
【中国标准分类号】:M74
【国际标准分类号】:33_100_20;33_160_01
【页数】:7P;A4
【正文语种】:英语


【英文标准名称】:Residualcurrentoperatedcircuit-breakerswithoutintegralovercurrentprotectionforhouseholdandsimilaruses(RCCBs)-Part1:Generalrules
【原文标准名称】:家用和类似用途的无完整过电流保护的残余电流驱动断路器(RCCBs).第1部分:一般规则
【标准号】:BSEN61008-1-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【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】:附件;交流电流;交流电压;断路器;分类系统;接触安全装置;定义;设计;差分电流开关;差分电流;家用电气设备;接地漏泄断路器;电器;电气工程;电气装置;电气保护设备;电气安全;电磁兼容性;EMC;故障电流断路器;故障电流;一般条件;家用(安装)设备;家用设备;家用;批注;线路开关;低电压;低压设备;作标记;安装材料;过电流保护装置;产品信息;性能;防电击;保护设备;剩余电流驱动的断路器;自动断路器;规范(验收);开关;开关设备;测试;跳闸机构(断路器)
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Classificationsystems;Contactsafetydevices;Definition;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Generalconditions;Houseinstallations;Householdequipment;Householduse;Incription;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Mountingmaterials;Overcurrentprotection;Productinformations;Properties;Protectionagainstelectricshocks;Protectiondevices;Residualcurrentoperatedcircuit-breakers;Self-actingcircuit-breakers;Specification(approval);Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:ThisInternationalStandardappliestoresidualcurrentoperatedcircuit-breakersfunctionallyindependentof,orfunctionallydependenton,linevoltage,forhouseholdandsimilaruses,notincorporatingovercurrentprotection(hereafterreferredtoasRCCBs),forratedvoltagesnotexceeding440Va.c.andratedcurrentsnotexceeding125A?forfixedinstallations?,intendedprincipallyforprotectionagainstshock-hazard.Thesedevicesareintendedtoprotectpersonsagainstindirectcontact,theexposedconductivepartsoftheinstallationbeingconnectedtoanappropriateearthelectrode.Theymaybeusedtoprovideprotectionagainstfirehazardsduetoapersistentearthfaultcurrent,withouttheoperationoftheovercurrentprotectivedevice.RCCBshavingaratedresidualoperatingcurrentnotexceeding30mAarealsousedasameansforadditionalprotectionincaseoffailureoftheprotectivemeansagainstelectricshock.Thisstandardappliestodevicesperformingsimultaneouslythefunctionsofdetectionoftheresidualcurrent,ofcomparisonofthevalueofthiscurrentwiththeresidualoperatingvalueandofopeningoftheprotectedcircuitwhentheresidualcurrentexceedsthisvalue.RCCBswithinthescopeofthisstandardareintendedforusedinanenvironmentpollutiondegree2.Theyaresuitableforisolation.DevicestothisstandardaresuitableforuseinITsystemsiftherequirementsoftheinstallationrulesaremet.?Specialprecautions(e.g.lightningarresters)maybenecessarywhenexcessiveovervoltagesarelikelytooccuronthesupplyside(forexampleinthecaseofsupplythroughoverheadlines)(seeIEC60364-4-443).RCCBsofthegeneraltypeareresistanttounwantedtrippingincludingthecasewheresurgevoltages(asaresultofswitchingtransientsorinducedbylightning)causeloadingcurrentsintheinstallationwithoutoccurrenceofflashover.RCCBsoftheStypeareconsideredtobesufficientproofagainstunwantedtrippingevenifthesurgevoltagecausesaflashoverandafollow-oncurrentoccurs.Italsocontainsthedetailsrelativetotestrequirementsandmethodsoftestingnecessarytoensurereproducibilityoftestresults.Thisstandardstatesa)thecharacteristicsofRCCBs,b)theconditionswithwhichRCCBsshallcomply,withreferenceto1)theiroperationandbehaviourinnormalservice,2)theiroperationandbehaviourincaseofshort-circuits,3)theiroperationunderresidualcurrentconditions,4)theirdielectricproperties,5)EMC,c)thetestsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthetests,d)thedatatobemarkedonthedevices,e)thetestsequencestobecarriedoutandthenumberofsamplestobesubmittedforcertificationpurposes(seeAnnexA),f)theroutineteststobecarriedoutoneachRCCBtorevealunacceptablevariationsinmaterialormanufacture,likelytoaffectsafety(seeAnnexD)
【中国标准分类号】:Y60;K31
【国际标准分类号】:29_120_50
【页数】:142P.;A4
【正文语种】:英语