摘要
着重介绍了由变频器供电的笼型三相异步电动机产生轴承电流的原因、种类、造成的危害以及针对不同种类的轴承电流制定的各种防范措施,对提高变频三相异步电动机的使用寿命能起到很好的帮助作用。
This paper introduces the reasons, varieties and harm of shaft current of squirrel-cage three-phase induction motor fed by inverter and varied measures for preventing different shaft currents. This is helpful to improve the service life of variable frequency three-phase induction motor.
出处
《防爆电机》
2007年第2期18-20,共3页
Explosion-proof Electric Machine
关键词
变频鼠笼电机
轴承
轴承电流
低频轴电流
高频轴电流
Inverter, variable-frequency squirrel-cage motor, bearing, shaft current, low-frequency shaft current, high-frequency shaft current.
