NF X20-527-2002 天然气.用做增味剂的有机硫化合物.要求和试验方法

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【英文标准名称】:Electromagneticcompatibility(EMC)-Part4-16:Testingandmeasurementtechniques-Testforimmunitytoconducted,commonmodedisturbancesinthefrequencyrange0Hzto150kKz
【原文标准名称】:电磁兼容性(EMC)第4-16部分:试验和测量技术对频率在0～150KHz范围内的传导共模骚扰的抗扰度试验
【标准号】:IEC61000-4-16-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-01
【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】:电磁兼容性;电磁兼容性;电气器具;干扰抑制;测量技术;电气工程;电磁试验;试验;抗扰性
【英文主题词】:Asymmetrical;Couplingattenuation;Definitions;Degreeofsharpness;Electricappliances;Electricalappliances;Electricalengineering;Electromagneticcompatibility;Electromagnetictests;Electronicinstruments;EMC;Frequencyranges;Immunity;Influencequantities;Interferencerejections;Measurement;Measuringtechniques;Specification(approval);Testing;Testingdevices;Testinggenerators
【摘要】:ThispartofIEC61000relatestotheimmunityrequirementsandtestmethodsforelectricalandelectronicequipmenttoconducted,commonmodedisturbancesintherangede.to150kHz.Theobjectofthisstandardistoestablishacommonandreproduciblebasisfortestingelectricalandelectronicequipmentwiththeapplicationofcommonmodedisturbancestopowersupply,control,signalandcommunicationports.Thisstandarddefines-testvoltageandcurrentwaveform;-rangeoftestlevels;-testequipment;-testset-up;-testprocedures.Forsometypesofports,forexampleportsintendedtobeusedwithhighlybalancedlines,additionaltestprovisionsmaybeestablishedbyproductcommitteespecifications.Thetestisintendedtodemonstratetheimmunityofelectricalandelectronicequipmentwhensubjectedtoconducted,commonmodedisturbancessuchasthoseoriginatingfrompowerlinecurrentsandreturnleakagecurrentsintheearthing/groundingsystem.Thedisturbancesproducedby400Hzmainssystemsarenotincludedinthescopeofthisstandard.Actualinterferenceduetothesedisturbancephenomenaisrelativelyrare,exceptinindustrialplants.ProductCommitteesshouldthereforeconsiderwhetherthereisajustificationforapplyingthisstandardintheirProduct/ProductFamilystandards(seealsoclause3).Thistestisnotrelevantforequipmentportsintendedtobeconnectedtoshortcables,havingalengthlessthan20morless.Theimmunitytoharmonicsandinterharmonics,includingmainssignalling,ona.c.powerports(indifferentialmode)isnotincludedinthescopeofthisstandardandiscoveredbyIEC61000-4-13.Theimmunitytoconducteddisturbancesgeneratedbyintentionalradio-frequencytransmittersisnotincludedinthescopeofthisstandardandiscoveredbyIEC61000-4-6.SomeITU-TRecommendations,e.g.K17,K20andK21,establishsimilarmethodsfortestingtheresistibilityofequipment;however,theyarededicatedtotelecommunicationportsanddealwithpowerinductionatfrequencyofthea.c.mainsorelectricrailways.ProductCommitteesareadvisedtoconsidertheRecommendationsabove,asfarasapplicable,inpreparingtheirproductstandards.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:49P.;A4
【正文语种】:英语


【英文标准名称】:Constructiontowercranes
【原文标准名称】:塔式起重机
【标准号】:ASMEB30.3-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【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】:提升设备;电动的;塔式起重机;维修;提升装置;装置;起重机;安装;安全;检验;设计;定义;定义
【英文主题词】:safety;definitions;cranes;towercranes;liftingdevices;definition;maintenance;liftingequipment;power-operated;inspection;design;installations
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:53_020_20
【页数】:53P;A4
【正文语种】:英语