Specifies test methods for the determination of sound power level of rotating electrical machines. Provides maximum A-weighted sound power levels for factory acceptance testing of rotating electrical machines. To be used in conjunction with IEC 60034-1, IEC 60034-5 and IEC 60034-6.
IEC 60034-9 Ed. 4.0 b:2003 History
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IEC 60034-9 Ed. 4.0 b:2003
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