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【英文标准名称】:Rotatingelectricalmachines-Noiselimits
【原文标准名称】:旋转电机.噪音极限值
【标准号】:BSEN60034-9-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-10-31
【实施或试行日期】:2005-10-31
【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】:声学测量;代码;制冷电路;冷却;名称与符号;尺寸选定;电机;电气工程;极限(数学);机械噪声;最大值;测量;测量技术;操作方式;噪声;噪声抑制;燥声特征;噪声控制;噪声辐射;噪声(环境的);噪声级;噪音极限值;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;声压级;规范(验收);温度;测试;测试条件
【英文主题词】:Acousticmeasurement;Codes;Coolantcircuit;Cooling;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;Soundpressurelevel;Specification(approval);Temperature;Testing;Testingconditions
【摘要】:ThispartofIEC60034specifiesmaximumA-weightedsoundpowerlevelsforfactoryacceptancetestingofrotatingelectricalmachinesinaccordancewithIEC60034-1,havingmethodsofcoolingaccordingtoIEC60034-6anddegreesofprotectionaccordingtoIEC60034-5,andhavingthefollowingcharacteristics:-standarddesign,eithera.c.ord.c,withoutadditionalspecialelectrical,mechanical,oracousticalmodificationsintendedtoreducethenoiselevel;-ratedoutputfrom1kW(orkVA)uptoandincluding5500kW(orkVA);-speednotgreaterthan3750min.Excludedarea.c.motorssuppliedbyconvenors.FortheseconditionsseeIEC60034-17forguidance.NOTES1Thisstandardrecognizestheeconomicreasonfortheavailabilityofstandardnoise-levelmachinesforuseinnon-criticalareasorforusewithsupplementarymeansofnoiseattenuation.2Wherenoiselevelslowerthanthosespecifiedintables1or2arerequired,theseshouldbeagreedbetweenthemanufacturerandthepurchaser,asspecialelectrical,mechanical,oracousticaldesignmayinvolveadditionalcost.TheobjectofthisstandardistodeterminemaximumA-weightedsoundpowerlevels,LWAindecibels,dB,forairbornenoiseemittedbyrotatingelectricalmachinesofstandarddesign,asafunctionofpower,speedandload,andtospecifythemethodofmeasurementandthetestconditionsappropriateforthedeterminationofthesoundpowerlevelofthemachinestoprovideastandardizedevaluationofmachinenoiseuptothemaximumspecifiedsoundpowerlevels.Thisstandarddoesnotprovidecorrectionfortheexistenceoftonalcharacteristics.Soundpressurelevelsatadistancefromthemachinemayberequiredinsomeapplications,suchashearingprotectionprograms.However,thisstandardisonlyconcernedwiththephysicalaspectofnoise,toexpresslimitsintermsofsoundpower.Insitusoundpressurecalculationsrequireknowledgeofmachinesize,operatingconditionsandtheenvironmentinwhichthemachineistobeinstalled.Informationforsuchcalculationstakingintoaccountenvironmentalfactorscanbefound,ifneeded,inclassicaltextbooksonacoustics.
【中国标准分类号】:K20;Z32
【国际标准分类号】:17_140_20;29_160_01
【页数】:20P.;A4
【正文语种】:英语