This paper introduces the electric control system of continuous rolling mill of the three - roll Y - type large molybdenum coil,and emphatically expounds the important role and using method of the DC speed regulating device and PLC program controller in the design.%文章通过介绍三辊Y型大重卷钼线卷连轧机的电气控制系统,着重阐述了直流调速装置、PLC程控器在系统设计中的重要作用和使用方法.
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