拦河闸坝门机变频器频报故障处理分析及设备维护

Fault Treatment and Equipment Maintenance of Barrage Portal Crane Converter

随着交流传动、电力电子器件与控制技术的迅速发展,变频器和交流电机组成的交流调速系统凭借其优良的调速性能,广泛应用于各大型水电站。但在交流调速系统使用中,也会遇到各种各样的故障现象。本文对一起故障分析处理过程作了介绍,以提高变频器和交流电机的维护水平。

With the rapid growth of AC transmission, power electronic devices and control technology, the AC speed regulating system composed of converter and AC motor, relying on its favorable speed regulation performance, has been extensively applied in all large hydropower stations. However, during the period of using AC speed regulating system, various failures will occur. In this paper, one failure analysis and treatment process is introduced in a bid to improve the maintenance level of converter and AC motor.