摘要
分析了昆钢80万吨棒材连轧生产线3H电机产生故障的原因，提出了实施增容改造的思路，改造后电机性能稳定、故障率降低。
The reasons of 3H Electromotor failure capacitance increasing rate is reduced. was then put into effect,the for bar mill in Kungang were stability of the motor running analysised,reformation of increased,and the failure
关键词
轧机
直流电机
过载能力
rolling mill
DC
motor overload capacity
