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【英文标准名称】:Electromagneticcompatibility(EMC)-Part4-27:Testingandmeasurementtechniques;Unbalance,immunitytestforequipmentwithinputcurrentnotexceeding16Aperphase
【原文标准名称】:电磁兼容性(EMC).第4-27部分:试验和测量技术.输入电流不超过每相16A的设备用不平衡抗扰度试验
【标准号】:IEC61000-4-27-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-08
【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/SC77A
【标准类型】:()
【标准水平】:()
【中文主题词】:基础标准;定义;电器;电气工程;电气设备;电磁兼容性;电磁试验;EMC;谐波电流;抗扰度;影响量;干扰抑制;极限(数学);低压设备;测量技术;电源电压;试验;非对称;电压波动
【英文主题词】:Basicstandard;Definition;Definitions;Electricappliances;Electricalengineering;Electricalequipment;Electromagneticcompatibility;Electromagnetictests;EMC;Harmoniccurrent;Immunity;Influencequantities;Interferencerejections;Limits(mathematics);Low-voltageequipment;Measuringtechniques;Supplyvoltages;Testing;Unsymmetry;Voltagefluctuations
【摘要】:ThispartofIEC61000isabasicEMC(electromagneticcompatibility)publication.Itconsidersimmunitytestsforelectricand/orelectronicequipment(apparatusandsystem)initselectro-magneticenvironment.Onlyconductedphenomenaareconsidered,includingimmunitytestsforequipmentconnectedtopublicandindustrialnetworks.Theobjectofthisstandardistoestablishareferenceforevaluatingtheimmunityofelectricalandelectronicequipmentwhensubjectedtounbalancedpowersupplyvoltage.Thisstandardappliesto50Hz/60Hzthree-phasepoweredelectricaland/orelectronicequipmentwithratedlinecurrentupto16Aperphase.Thisstandarddoesnotapplytoequipmentwiththree-phaseplusneutralconnectionifthatequipmentoperatesasagroupofsingle-phaseloadsconnectedbetweenphaseandneutral.Thisstandarddoesnotapplytoelectricaland/orelectronicequipmentconnectedtoa.c.400Hzdistributionnetworks.Thisstandarddoesnotincludetestsforthezero-sequenceunbalancefactor.Theimmunitytestlevelsrequiredforaspecificelectromagneticenvironmenttogetherwithperformancecriteriaareindicatedintheproduct,productfamilyorgenericstandardsasapplicable.Thisimmunitytestshouldbeincludedinproduct,productfamilyorgenericstandardswhenequipmentislikelytoshowreducedperformanceorfunctionwhenexposedtoasupplyvoltagewithvoltageunbalance.Theverificationofthereliabilityofelectricalcomponents(capacitors,motors,etc.)andlong-termeffects(greaterthanafewminutes)isnotconsideredinthisstandard.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:
【正文语种】:英语


【英文标准名称】:Micrographics-Methodsofmeasuringimagequalityproducedbyaperturecardscanners-Part2:Qualitycriteriaandcontrol
【原文标准名称】:缩微摄影技术开窗卡扫描仪生成影像质量的测量方法第2部分:质量标准和控制
【标准号】:ISO11698-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC171
【标准类型】:()
【标准水平】:()
【中文主题词】:质量保证;方法;质量控制;质量;质量要求;缩微照相;评定;缩微胶卷;扫描器;准则;粗梳机;卡片
【英文主题词】:Cards;Criterion;Evaluations;Methods;Microfilm;Micrographics;Quality;Qualityassurance;Qualitycontrol;Qualityrequirements;Scanners
【摘要】:ThispartofISO11698specifiesmethodsforusingthetestimagesspecifiedinISO11698-1tocheckthequalityofimagesproducedbyaperturecardscanners.
【中国标准分类号】:A14
【国际标准分类号】:37_080
【页数】:8P.;A4
【正文语种】:英语