论文部分内容阅读
通过用声强法对660 kW异步电动机进行现场声功率级测定,来阐明声强法在对旋转电机进行现场噪声测定中的应用。对该电机在有、无强干扰声源存在的两种情况下声强法测试结果的比较,表明声强法具有很强的抗干扰性,特别适合于在恶劣的声学条件下对运行中的电机进行现场测试。
By using the sound intensity method to measure the sound power level of 660 kW asynchronous motor, this paper illustrates the application of sound intensity method in the field noise measurement of rotating electric machine. The comparison of the sound intensity test results of the motor with and without the presence of a strong noise source shows that the sound intensity method has a strong anti-interference ability and is particularly suitable for the operation of the motor under harsh acoustic conditions Motor for field testing.