标准摘要
[中文适用范围]： 规定了测定旋转电机声功率级的测试方法。为旋转电机的工厂验收测试提供最大 A 计权声功率级。与 IEC 60034-1 结合使用， [外文原描述]： 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.
英文名称Rotating electrical machines - Part 9: Noise limits