降低空空冷异步电机通风噪声的有效方法

Effective Methods to Reduce the Ventilation Noise of Air-Cooled Induction Motor

通风噪声是空空冷异步电机噪声的主要来源之一。结合实践经验,介绍了常见的降低电机通风噪声的方法以及采用蜗壳风罩结构这种新方法。通过几个实例来说明其降噪效果,为降低电机通风噪声提供了参考。

The ventilation noise is one of the main sources of air-cooled induction motor noise.Combined with practical experience,the common methods to reduce the ventilation noise of motor are introduced,and the new method of using volute wind cover structure is proposed.Several examples are given to illustrate the noise reduction effect of these methods.This research provides a reference for reducing the ventilation noise of motor.