K2500──2给水泵电机事故分析及其保护装置的改进

Acciclent Analysis of a Motor in YK 2500──2 Water Pump and Improvement of the Protective Devices

本文介绍了马钢公司热电厂 １# 给水泵电机因电源缺相严重烧坏电机转子的事故分析和教训，并改进和完善了大容量高压电机的继电保护装置。

This paper analyzes an accident of a burned rotor in a motor due to shortage of phase of power source in NO. 1 water pump of the Heat Power plant, Maanshan Iron and Steel Company. Relay protection devices of lange capacity high voltage motors were improved.