采用通用变频器的三连轧机传动控制系统

The Drive Control System of 3-Roller Rolling Mill Adopting General Inverter

本文介绍采用通用变频器将普通三连轧机改造为高速三连轧机的方法，重点分析实现转差频率控制的方法、张力控制的作用及系统实现，并给出系统的实际运行结果。

This paper introduces reconstruction of a general 3-roller rolling mill adopting general inverter,analyses mainly the principle of slip frequency control,the function of tension control and realization of the system,gives the running result of the mill in production