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IEC 60034-9 Edition 4.1-2007 旋转电机.第9部分:噪声限值

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【英文标准名称】:Rotatingelectricalmachines-Part9:Noiselimits
【原文标准名称】:旋转电机.第9部分:噪声限值
【标准号】:IEC60034-9Edition4.1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC2
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;代码;制冷电路;冷却;定义;名称与符号;尺寸选定;电机;电气工程;限值(数学);机械噪声;最大值;测量;测量技术;操作方式;噪声;噪声控制;燥声特性;噪声排放;噪声(环境的);噪声级;噪声限值;噪声测量;噪声试验;性能;工作性能;特性;额定设备;旋转电机;声级;声功率;规范(验收);温度;测试;测试条件
【英文主题词】:Acousticmeasurement;Codes;Coolantcircuit;Cooling;Definition;Definitions;Designations;Dimensioning;Electricmachines;Electricalengineering;Limits(mathematics);Machinenoise;Maximumvalue;Measurement;Measuringtechniques;Modeofoperation;Noise;Noiseabatement;Noisecharacteristic;Noisecontrol;Noiseemissions;Noise(environmental);Noiselevel;Noiselimit;Noisemeasurements;Noisetest;Performance;Performanceinservice;Properties;Ratedservice;Rotatingelectricmachines;Soundlevel;Soundpower;Specification(approval);Temperature;Testing;Testingconditions
【摘要】:ThispartofIEC60034-specifiestestmethodsforthedeterminationofsoundpowerlevelofrotatingelectricalmachines;–specifiesmaximumA-weightedsoundpowerlevelsforfactoryacceptancetestingofnetwork-supplied,rotatingelectricalmachinesinaccordancewithlEC60034-1,havingmethodsofcoolingaccordingtolEC60034-6anddegreesofprotectionaccordingtolEC60034-5,andhavingthefollowingcharacteristics:?standarddesign,eithera.c.ord.c.,withoutadditionalspecialelectrical,mechanical,oracousticalmodificationsintendedtoreducethesoundpowerlevel;?ratedoutputfrom1kW(orkVA)uptoandincluding5500kW(orkVA);?ratedspeednotgreaterthan3750min–1.–providesguidanceforthedeterminationofnoiselevelsfora.c.cageinductionmotorssuppliedbyconverters.Excludedarea.c.motorssuppliedbyconverters.FortheseconditionsseeIEC60034-17forguidance.TheobjectofthisstandardistodeterminemaximumA-weightedsoundpowerlevels,LWAindecibels,dB,forairbornenoiseemittedbyrotatingelectricalmachinesofstandarddesign,asafunctionofpower,speedandload,andtospecifythemethodofmeasurementandthetestconditionsappropriateforthedeterminationofthesoundpowerlevelofthemachinestoprovideastandardizedevaluationofmachinenoiseuptothemaximumspecifiedsoundpowerlevels.Thisstandarddoesnotprovidecorrectionfortheexistenceoftonalcharacteristics.Soundpressurelevelsatadistancefromthemachinemayberequiredinsomeapplications,suchashearingprotectionprograms.InformationisprovidedonsuchaprocedureinClause8basedonastandardizedtestenvironment.NOTE1Thisstandardrecognizestheeconomicreasonfortheavailabilityofstandardnoise-levelmachinesforuseinnon-criticalareasorforusewithsupplementarymeansofnoiseattenuation.NOTE2WheresoundpowerlevelslowerthanthosespecifiedinTables1or2arerequired,theseshouldbeagreedbetweenthemanufacturerandthepurchaser,asspecialelectrical,mechanical,oracousticaldesignmayinvolveadditionalmeasures.
【中国标准分类号】:K20
【国际标准分类号】:17_140_20;29_160;29_160_01
【页数】:35P.;A4
【正文语种】:


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【英文标准名称】:Advancedtechnicalceramics.Ceramiccomposites.Physicalproperties.Determinationofdensityandapparentporosity
【原文标准名称】:高技术陶瓷.陶瓷复合物.物理性能.密度和表观孔隙率的测定
【标准号】:DDENV1389-1994
【标准状态】:现行
【国别】:英国
【发布日期】:1994-11-15
【实施或试行日期】:1994-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:孔隙度测量;试样;松散材料密度;试验设备;复合材料;体密度;试样制备;质量;陶瓷;试验大气环境;孔隙率;机械测量;材料的机械性能;材料的机械性能;尺寸测量;密度;特种陶瓷;质量(物质)
【英文主题词】:testatmospheres;mechanicalmeasurement;mass;dimensionalmeasurement;testequipment;specimenpreparation;testspecimens;porosity;bulkdensity;compositematerials;ceramics;mechanicalpropertiesofmaterials;density;porositymeasurement;specialceramics
【摘要】:Describestwomethodsfordeterminingthebulkdestinyandapparentporosityofceramicmatrixcompositeswithfibrouscontinuousreinforcement
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-Polymerasechainreaction(PCR)forthedetectionoffood-bornepathogens-Performancetestingforthermalcyclers.
【原文标准名称】:食品和动物饲料的微生物学.食物病原体检测用聚合酶链式反应(PCR).热循环控制装置的性能试验
【标准号】:ISO/TS20836-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisTechnicalSpecificationprovidesbasicrequirementsfortheinstallation,performanceandmaintenanceofthermalcyclers.Althoughthermalcyclersarerobusttechnicalequipment,theydorequireregularmaintenance.Theircooling/heatingelements,eitherPeltierorothertechnology,havealimitedlifetime.Properfunctioningofthecooling/heatingelementdependsbothonthequalityofthecooling/heatingdevicesandproperuseandcare.Inadditiontooutliningtherequirementforadefinedmaintenanceprogramme,proceduresaredescribedforthedeterminationofthermalcyclerperformancebybiochemicalorphysicalmethods(seeAnnexesAandB).
【中国标准分类号】:B46
【国际标准分类号】:07_100_30
【页数】:13P;A4
【正文语种】:英语