EN 60835-2-6-1995 数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中继系统的测量方法.第6节:保护开关
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【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Part2:Measurementsonterrestrialradio-relaysystems;section6:Protectionswitching(IEC60835-2-6:1995);GermanversionEN60835-2-6:1995
【原文标准名称】:数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中继系统的测量方法.第6节:保护开关
【标准号】:EN60835-2-6-1995
【标准状态】:现行
【国别】:
【发布日期】:1995-08
【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】:开关设备;测量技术;电信系统;信号传输;电信链路;规范(验收);无线电设备;卫星通信;额定值;检验;电气工程;陆地的;开关操作;通信系统;微波链路;无线电中继系统;无线电通信链路;组合;微波;传输系统;测量;转换开关;无线电通信;电信;检验规范
【英文主题词】:Change-overswitches;Combination;Communicationsystems;Digitalradiolinks;Digitalsignals;Earthstations;Electricalengineering;Inspection;Inspectionspecification;Measurement;Measuringtechniques;Microwavelinks;Microwaves;Protectivecircuits;Radioengineering;Radioequipment;Radiolinks;Radiocommunication;Radio-relaysystems;Ratings;Satellitecommunications;Signaltransmission;Specification(approval);Switchgear;Switching;Telecommunication;Telecommunicationlinks;Telecommunicationsystems;Terrestrial;Transmissionsystems
【摘要】:
【中国标准分类号】:M34
【国际标准分类号】:33_060_30
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:DrinkingWaterTreatmentChemicals-HealthEffects
【原文标准名称】:饮用水处理剂.健康效应
【标准号】:ANSI/NSF60(i56)-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:饮用水处理;食品;个人保健;保护(装置);水处理
【英文主题词】:Drinkingwatertreatment;Foodproducts;Personalhealth;Protection;Watertreatment
【摘要】:
【中国标准分类号】:
【国际标准分类号】:13_060_20;71_100_80
【页数】:
【正文语种】:英语
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Circuit-breakers
【原文标准名称】:低压开关设备和控制设备.断路器
【标准号】:BSEN60947-2-2006+A1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【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】:交流电流;交流电压;室温;辅助电路;特性;断路容量;校准;断路器;电路;分类;间隙;条件;连接件;结构要求;建筑工程;触点;电流;阻尼(波);定义;设计;词典;尺寸选定;直流电流;直流电压;消耗能量;电器;电气工程;电气保护设备;电气安全;电磁兼容性;电子的;EMC;故障电流断路器;故障电流;击穿;频率;熔断器;手动的;操纵;热学;加热;批注;检验;装置;绝缘强度;绝缘件;干扰抑制;中断;漏电路径;线路开关;低电压;下降;低压设备;低压开关设备;主电路;维护;作标记;安装;操作;超荷载;过电压;工作性能;电动的;产品信息;性能;防电击;保护设备;额定值;剩余电流驱动的断路器;安全;安全装置;短路;规范(验收);材料强度;应力;供应系统;关闭;开启;开关;开关设备;温度;温升;热震;试验周期;试验序列;试验;运输;跳闸电流;脱扣机构;振动;电压
【英文主题词】:Alternatingcurrent;Alternatingvoltages;Ambienttemperature;Auxiliarycircuits;Behaviour;Breakingcapacity;Calibration;Characteristics;Circuit-breakers;Circuits;Classification;Clearances;Conditions;Connections;Constructionrequirements;Constructions;Contact;Currents;Damping;Definitions;Design;Dictionaries;Dimensioning;Directcurrent;Directvoltage;Dissipatedenergy;Electricappliances;Electricalengineering;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;Electronic;EMC;Faultcurrentbreakers;Faultcurrents;Flash-overs;Frequencies;Fuses;Handoperated;Handlings;Heat;Heating;Inscription;Inspection;Installations;Insulatingstrength;Insulations;Interferencerejections;Interruptions;Leakagepaths;Lineswitches;Lowvoltage;Lowering;Low-voltageequipment;Low-voltageswitchgear;Maincircuit;Maintenance;Marking;Mounting;Open;Operation;Overload;Overvoltage;Performanceinservice;Power-operated;Productinformation;Properties;Protectionagainstelectricshocks;Protectiondevices;Ratings;Residualcurrentoperatedcircuit-breakers;Safety;Safetydevices;Shortcircuits;Specification(approval);Strengthofmaterials;Stress;Supplysystems;Switchoff;Switchon;Switches;Switchgear;Temperature;Temperaturerises;Temperatureshock;Testcycle;Testsequence;Testing;Transport;Trippingcurrents;Trippingmechanism;Vibration;Voltage
【摘要】:Thisstandardappliestocircuit-breakers,themaincontactsofwhichareintendedtobeconnectedtocircuits,theratedvoltageofwhichdoesnotexceed1000Va.c.or1500Vd.c.;italsocontainsadditionalrequirementsforintegrallyfusedcircuit-breakers.Itapplieswhatevertheratedcurrents,themethodofconstructionortheproposedapplicationsofthecircuit-breakersmaybe.Therequirementsforcircuit-breakerswhicharealsointendedtoprovideearth-leakageprotectionarecontainedinAnnexB.Theadditionalrequirementsforcircuit-breakerswithelectronicover-currentprotectionarecontainedinAnnexF.Theadditionalrequirementsforcircuit-breakersforITsystemsarecontainedinAnnexH.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakersarecontainedinAnnexJ.Therequirementsforcircuit-breakersnotfulfillingtherequirementsforover-currentprotectionarecontainedinAnnexL.Therequirementsformodularresidualcurrentdevices(withoutintegralcurrentbreakingdevice)arecontainedinAnnexM.Therequirementsandtestmethodsforelectromagneticcompatibilityofcircuit-breakerauxiliariesarecontainedinAnnexN.Supplementaryrequirementsforcircuit-breakersusedasdirect-on-linestartersaregiveninIEC60947-4-1,applicabletolow-voltagecontactorsandstarters.Therequirementsforcircuit-breakersfortheprotectionofwiringinstallationsinbuildingsandsimilarapplications,anddesignedforusebyuninstructedpersons,arecontainedinIEC60898.Therequirementsforcircuit-breakersforequipment(forexampleelectricalappliances)arecontainedinIEC60934.Forcertainspecificapplications(forexampletraction,rollingmills,marineservice)particularoradditionalrequirementsmaybenecessary.NOTECircuit-breakerswhicharedealtwithinthisstandardmaybeprovidedwithdevicesforautomaticopeningunderpredeterminedconditionsotherthanthoseofover-currentandundervoltageas,forexample,reversalofpowerorcurrent.Thisstandarddoesnotdealwiththeverificationofoperationundersuchpre-determinedconditions.Theobjectofthisstandardistostate:a)thecharacteristicsofcircuit-breakers;b)theconditionswithwhichcircuit-breakersshallcomplywithreferenceto:1)operationandbehaviourinnormalservice;2)operationandbehaviourincaseofoverloadandoperationandbehaviourincaseofshort-circuit,includingco-ordinationinservice(discriminationandback-upprotection);3)dielectricproperties;c)testsintendedforconfirmingthattheseconditionshavebeenmetandthemethodstobeadoptedforthesetests;d)informationtobemarkedonorgivenwiththeapparatus.
【中国标准分类号】:K30
【国际标准分类号】:29_130_20
【页数】:234P.;A4
【正文语种】:英语