An analysis is made on cause of the damage incident of quick fuses, controlled silicon and power control panels of the DC driving devices of Chuanwei High Speed Wire Plant due to overvoltage.
分析了因过电压造成川威高线直流传动装置快速熔断器、晶闸管及电源控制板损坏事故的原因，认为直流传动装置过电压保护措施必须完善，不能随意拆除。
PLC control is adopted in automatic control system for finishing area of Chuanwei 950 mm hot strip mill. Main functions include speed cascade control, tension control, looper control, APC control etc.
川威950热轧带钢精轧区自动控制系统采用P LC控制，主要实现速度级联控制、张力控制、活套控制、APC等。
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