GOST IEC 60034-9-2014 Rotating electrical machines Part 9 Noise limits《旋转电机 第9部分 噪声限度》.pdf

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3、t 9. Noise limits1 . , , , IEC 60034-1, IEC 60034-6, IEC 60034-5 :- , , , , ;- 1 5500 ( );- 3750 1. - . , -. IEC 60034-17. , - () , -, . , . . , , . 8. 1 , - . 2 - 1 2, (), , .2 . - :IEC 60034-1:2004 Rotating electrical machines Part 1: Rating and performance ( - . 1. -)1 IEC 60034-92014 20160301IEC

4、 60034-5:2006 Rotating electrical machines Part 5: Degrees of protection provided by the integraldesign of rotating electrical machines (IP code) Classification ( . 5. , ( IP). .)IEC 60034-6:1991 Rotating electrical machines Part 6: Methods of cooling (IC code) - . 6. ( I)IEC 60034-17:2006 Rotating

5、electrical machines Part 17: Cage induction motors when fed fromconvertors Application guide ( . 17. - c . )ISO 3741:2010 Acoustics Determination of sound power levels of noise sources using soundpressure Precision methods for reverberation rooms (. - . )ISO 3743-1:2010 Acoustics Determination of so

6、und power levels of noise sources using soundpressure Engineering methods for small movable sources in reverberant fields Part 1: Comparisonmethod for a hardwalled test room (. . . 1. )ISO 3743-2:1994 Acoustics Determination of sound power levels of noise sources using soundpressure Engineering meth

7、ods for small movable sources in reverberantfields Part2:Methods for specialreverberation test rooms (. - . - . 2. )ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noisesources using sound pressure Engineering methods for an essentially free field over a reflec

8、ting plane(. . )ISO 3745:2012 Acoustics Determination of sound power levels and sound energy levels of noisesources using sound pressure Precision methods for anechoic rooms and hemi-anechoic rooms (. - . )ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noiseso

9、urces using sound pressure Survey method using an enveloping measurement surface over a reflectingplane (. . )ISO 3747:2000 Acoustics Determination of sound power levels of noise sources using soundpressure Comparison method in situ (. . )ISO 4871:1996 Acoustics. Declaration and verification of nois

10、e emission values of machinery andequipment (. )ISO 9614-1:1993 Acoustics. Determination of sound power levels of noise sources using sound intensity.Part 1. Measurements at discrete points (. . 1. )ISO 9614-2:1996 Acoustics. Determination of sound power levels of noise sources using sound intensity

11、.Part 2. Measurement by scanning (. . 2. )3 :3.1 LW(sound power level): 10 , , W0=1 (1012), .3.2 L(sound pressure level): 10 - P0=20(2c215 105), .2 IEC 60034-920144 4.1 , , ISO 3744 , , 4.3 4.4 . 180 , - 355 , . .4.2 , 1 2 3, , 4.1.4.3 ISO 3741, ISO 3743-1, ISO 3743-2, ISO 3745, ISO 9614-1,ISO 9614-2.4.4 , ISO 3746 ISO 3747 , , ISO 3744 , (, ). , 1 3 2 , ISO 3746 ISO 3747 , .4.5 , , ISO 9614. , - .5 5.1 5.1.1 , -, . - ., , .5.1.2 , 0,25 . 0,1 .5.1.3 , (, , -). - -.5.2 :) ,