PLC及比例放大板在喀麦隆曼维莱水电站主溢洪道弧门控制中的应用

Application of PLC and Proportional Amplifier Board in Main Spillway Arc Gate Control of Cameroon Manville Hydropower Station

利用现代计算机、可编程控制器(PLC)、自动控制技术、VT5004比例放大板和数字闸门开度测控仪实现了对曼维莱水电站主溢洪道弧门的现地和远程控制,手动和自动控制弧门启门、闭门、停止。该系统运行稳定、控制准确、纠偏灵敏,对水库防汛起到了积极作用。

Modern computer, programmable logic controller (PLC), automatic control technology, VT5004 proportional amplifier board and digital gate opening measurement and control instrument are utilized for in-situ and remote control on main spillway arc gate of Cameroon Manville Hydropower Station.The arc gate can be started, closed and suspended manually and automatically.The system is stable in operation, accurate in control and sensitive in deviation correction, which plays an active role in reservoir flood control.