GB 10069.3-1988 Rotating electrical machine noise measurement methods and noise limits

Industry transfer standard GB 10069.3-1988 Rotating electrical machine noise measurement methods and noise limits GB10069.3-1988 Standard download and decompression password: www.bzxz.net

National Standard of the People's Republic of China
Measurement methods and limits of noise of rotating electrical machinery
Noise limits
Measurement of airborne noise emitted by rotating electrical machinery and the noise limitsNoise limits
This standard Refer to the international standard IEC34-9 "Noise Limits of Rotating Electrical Machines". Subject content and scope of application
GB10069.3-88
Replaces GB2806-81
This standard specifies the A-weighted sound power of a rotating electrical machine when a single no-load steady-state operation Noise limits. This standard applies to various types of motors that comply with the requirements of GB755 and do not take any special noise reduction measures. Table 1 of this standard applies to AC and DC motors with a speed not exceeding 3750r/min and a power ranging from 1 to 5500kW. Table 2 and Table 3 of this standard apply to small-power asynchronous motors and single-phase series motors respectively. 2 Reference standards
GB10069.1 Rotating electrical machine noise determination method and limit noise engineering determination method GB10069.2 Rotating electrical machine noise determination method and limit noise simple determination method 3 Limit values ??
Table 1, 2 What is stipulated in and 3 is the noise limit of the A-weighted sound power level when a single motor is running in a steady state without load, without tolerance. The Ministry of Mechanical and Electronic Industry of the People's Republic of China approved the implementation on 1989-07-01 on 1988-08-31
rated speed nN, r/min
cooling method type
protection type form||tt ||Rated power Pn, kW or kVA
>1.1~2.2
>2.2~5.5
>5.5~11
> 11~22
>22~37
>37~55
>55~110
>110~220
>220~550|| tt||>550~1100
>1100~2200
>2200~5500
IP22| |tt||IP23
90||tt ||93
≤960
IC41||tt ||IC51
82||tt| |86
GB 10069.3-88
IP55||tt| |98
97|| tt||100
961~1320
IC51|| tt||IC61
88||tt ||91
Motor A weighted sound
Table 1
IC11|| tt||IC21
88||tt| |91
limit,
108| |tt||111
Power stage Lw noise limit
ICW77||tt| |ICW87
104|| tt||105
79||tt| |83
1901～2360
IP44 ~
104| |tt||107
ICW87||tt ||ICW37
107||tt| |GB10069.3--88
2361~3150
81|| tt||85
105||tt| |107
106| |tt||109bzxZ.net
ICW87||tt ||ICW37
107||tt| |ICo1
-112| |tt||114
3151~3750
110|| tt||113
ICW37||tt| |A81
rated powerPN，W| |tt||电影电影Nir/min
rated powerPn，W
rated speedN，I/min
<4000
4000~<6000
6000~<8000
8000~<12000
12000~18000
≥18000
GB10069.388
表2小情动异步电视机(IP44)A计权声情动级Lw水面限值6~50
>50~250|| tt||>250~750
noise noise限值，dB(A）
表3. |tt||77.
90~180
>180~370
noise限值，dB(A）
71|| tt||73
77||tt| |79
>750~<1000
>370
76| |tt||78
如电影考渠电影在可以进行时间（如串激电视电视），其集值合合名件名了了业电影电影的电影，但是是以下载是电视。
3.2 Electric motor noise的考核应以A计权声powerclass其圆，但安全在电影电视中的电影电影电影电视1m处可以声去级前作。
4 measurement method
4.1按本标准考核的电视的电视应GB10069.1可以电影，今以所性的The result is as follows.4.2 When the electric motor is measured according to GB10069.2, the limit is specified in the standard of the electric motor. Additional description:
The standard is responsible for the standards by Shanghai Electric Appliance Science Institute, Guangzhou Electric Appliance Science Institute and Harbin University of Electric Power Research Institute.
90~180
>180~370
Noise limit, dB(A)
73|| tt||75
79||tt| |81
>750~<1000
>370
78| |tt||80
If you need to assess the noise of the motor when running under load (such as series motor) , its limit value should be specified in the standard of the motor, and the corresponding measurement method should be proposed.
3.2 The assessment of motor noise should be based on the A-weighted sound power level, but the average sound pressure level value 1m away from the motor shell is allowed to be listed in the product sample.
4 Measurement methods
4.1 Motors assessed according to this standard shall be measured according to GB10069.1, and the measured results shall be used as the basis for assessment. 4.2 When the motor is measured according to GB10069.2, its limit value should be specified in the standard of the motor. Additional notes:
This standard is proposed and centralized by the National Technical Committee for Standardization of Rotating Electrical Machines. This standard is drafted by Shanghai Electrical Equipment Research Institute, Guangzhou Electrical Equipment Research Institute and Harbin Electrical Equipment Research Institute.
90~180
>180~370
Noise limit, dB(A)
73|| tt||75
79||tt| |81
>750~<1000
>370
78| |tt||80
If you need to assess the noise of the motor when running under load (such as series motor) , its limit value should be specified in the standard of the motor, and the corresponding measurement method should be proposed.
3.2 The assessment of motor noise should be based on the A-weighted sound power level, but the average sound pressure level value 1m away from the motor shell is allowed to be listed in the product sample.
4 Measurement methods
4.1 Motors assessed according to this standard shall be measured according to GB10069.1, and the measured results shall be used as the basis for assessment. 4.2 When the motor is measured according to GB10069.2, its limit value should be specified in the standard of the motor. Additional notes:
This standard is proposed and centralized by the National Technical Committee for Standardization of Rotating Electrical Machines. This standard is drafted by Shanghai Electrical Equipment Research Institute, Guangzhou Electrical Equipment Research Institute and Harbin Electrical Equipment Research Institute.
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