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BS EN 61000-5-7-2001 电磁兼容性(EMC).安装和调试指南.外壳抗电磁干扰防护等级(EM规则)

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【英文标准名称】:Electromagneticcompatibility(EMC)-Installationandmitigationguidelines-Installationandmitigationguidelines-Degreesofprotectionbyenclosuresagainstelectromagneticdisturbances(EMcode)-Degreesofprotectionagainstelectromagneticdistu
【原文标准名称】:电磁兼容性(EMC).安装和调试指南.外壳抗电磁干扰防护等级(EM规则)
【标准号】:BSEN61000-5-7-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【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】:性能要求;安装说明;核能;无线电干扰;影响量;作标记;防护屏蔽;防护等级;保护设备;电磁场;爆炸;基本标准;电磁学;电力设备;环境条件;EMC;电磁兼容性;干扰抑制;外壳;干扰防护
【英文主题词】:Basicstandard;Degreesofprotection;Electricalinstallations;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Enclosures;Environmentalcondition;Explosions;Influencequantities;Installationinstructions;Interferenceprotection;Interferencesuppression;Marking;Nuclearenergy;Performancerequirements;Protectiondevices;Radiointerferences;Shields
【摘要】:ThispartofIEC61000describesperformancerequirements,testmethodsandclassificationproceduresfordegreesofprotectionprovidedbyemptyenclosuresagainstelectromagneticdisturbancesforfrequenciesbetween10kHzand40GHz.Theshieldingperformanceistobemeasuredpriortotheinstallationofinternalelectricaland/orelectronicequipmentandcomponents.ThisshieldingprotectionismeasuredforthepurposeofdemonstratingthattheenclosureprovidesadequateshieldingofelectromagneticenergytosupportacceptableperformanceofthecompleteassembledunitswhentestedtoapplicableIECstandards.However,itshouldbenotedthatsatisfactoryperformanceofanemptyenclosuredoesnotnecessarilyensurethatthecompletedunitswillpassallEMCperformanceteststandardsfortheoperatingequipment(seediscussioninannexA).Thepurposeofthisstandardistoprovidearepeatablemeansforevaluatingtheelectromagneticshieldingperformanceofemptymechanicalenclosures,includingcabinetsandsubracks,andtospecifyamarkingcodetoallowamanufacturertoselectanenclosurewithaknowncapabilityforattenuatingelectromagneticfields.Therequirementsforimmunitytovarioustypesofelectromagneticdisturbances,includinglightningandhigh-altitudeelectro-magneticpulse(HEMP)willneedtobeconsideredbymanufacturerswhendeterminingtheneedforapplicationofthisstandardforspecificequipmentandapplications,andforthespecificenclosureshieldingrequirementswhicharenecessaryasafunctionoffrequency.Theadoptionoftheclassificationsysteminthisstandardwill,wheneverpossible,promoteuniformityinmethodsofdescribingtheprotectionagainstelectromagneticstressesprovidedbytheenclosure.Thisincludesprotectionofequipmentinsidetheenclosurefromexternalelectromagneticstresses,aswellasprotectionofexternalequipmentfrominternallygeneratedelectromagneticstresses.TechnicalCommitteesresponsibleforenclosuresmaydecideontheextentandmannerinwhichtheclassificationdefinedinthisstandardisusedintheirstandardsandtodefine"enclosure"asitappliestotheirequipment.However,thetestsandperformancecategoriesmustnotdifferfromthosespecifiedinthisstandard.AninformativeguideforthedetailstobespecifiedinrelevantenclosureproductstandardsisgiveninannexB.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:30P;A4
【正文语种】:英语


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基本信息
标准名称:组合机床钻削头 精度
中标分类: 机械 >> 金属切削机床 >> 组合机床
替代情况:JB 3040-82;被JB/T 3040-2011代替
发布部门:大连组合机床所
发布日期:1992-05-16
实施日期:1993-01-01
首发日期:1900-01-01
作废日期:2011-08-01
归口单位:大连组合机床研究所
出版日期:1900-01-01
页数:8页
批文号:机电科标[1992]741号
适用范围

本标准规定了组合机床钻削头几何精度的要求及检验方法。

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所属分类: 机械 金属切削机床 组合机床
MIL-F-7179F (NOTICE 1), MILITARY SPECIFICATION: FINISHES, COATINGS, AND SEALANTS FOR THE PROTECTION OF AEROSPACE WEAPONS SYSTEMS (20 MAY 1985) [S/S BY MIL-STD-7179]., This amendment forms a part of Military SpecificationMIL-F-7179F dated 25 September 1984, and is approvedfor use by all Departments and Agencies of theDepartment of Defense.