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ID:17902845
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页数:4页
时间:2018-09-09
《断路器噪音测量欧洲标准》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、October29,2012GiovannialdrovandiSoundTests噪声试验Thesoundpressurelevelrelevanttothethreepolescircuitbreakerhasbeencalculatedaccordingtothe2003/10/CEEuropeandirectiveandtothechapter§5.1oftheDIN45635,inordertohavethenoiselevelofthecircuitbreakerinthesameconditionofservice.Thedailyexpositionn
2、oiselevelandthepeakinstantaneoussoundpressurelevelatanylocation1,0mfromboththreepolescircuitbreakersshallcomplywiththerequirement为了得到和运行状况相同的断路器声压级,三相断路器的声压级按照2003/10/CE导则和DIN45635第5.1条进行计算。在距离三相断路器1米的任何位置,平均噪声水平和瞬间峰值噪声水平应该符合要求。2.Soundleveltestsconfiguration:2噪声试验布置Environment环境Internal
3、conditions:testmeasurementswereperformedindoor,inthemechanicaltestlaboratory内部状态:在户内进行测量Ambientnoise(beforeandaftertests):73dB(A)环境噪声(试验前后):73dB(A)Temperature:28°C温度:28°CInstrumentsused使用的工具IntegratorSoundLevelMeter………..噪声测试仪TheSoundLevelMeter,class2,isinconformitywiththeinternationalno
4、rmIEC61672-1Microphone……………..二级噪声测试仪,符合国际标准IEC61672-1麦克风Verificationcertificaterealizedthe05/12/05accordingtotheIEC60651,IEC60804andIEC1260standards.按照IEC60651,IEC60804和IEC1260标准,05/12/05发布的认证证书Validityofthecertification:认证有效期:Measurementsconditions测量条件Thenoisemeasurementshavebeentakena
5、t1,0mfromtheprincipalnoisesource:infrontoftheoperatingmechanismofcircuitbreakerwiththedoorinfullyclosedposition.Heightofthemeasuredpoint:1,5m.Theimpulsivenoisemeasurementsfromthespringoperatingmechanismhavebeentakenofthepeakinstantaneoussoundpressurelevelduringacircuitbreakeropenandclos
6、eoperation.Inaddition,theaverageimpulsesoundlevelhavebeenalsotakenduringacompleteratednoloadcircuitbreakercycleC-0withrearmamentofmechanismsprings.噪声测量应在离主声源1米处进行:在断路器的操作机构前,机构箱门完全关闭。测量点高度:1.5m弹簧操作机构的脉冲噪声峰值暂态噪声水平测量应在断路器分合闸操作中进行。另外,平均脉冲噪声水平也应通过一次完整的额定空载断路器C-O操作(包括弹簧机构储能)进行。Noiselevelsin2
7、003/10/CEEuropeandirective2003/10/CE欧洲标准的噪声水平NoiseatWorkDirective2003/10/ECisofficiallyknownasthe"Directive2003/10/ECoftheEuropeanParliamentandoftheCouncilof6February2003ontheminimumhealthandsafetyrequirementsregardingtheexposureofworkerstotherisksarisingfromphysicalagents(nois
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