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广东青溪水电厂轴流式机组顶盖排水控制回路一直是电厂安全运行难题之一,也是国内轴流转桨式机组运行亟待解决的共性问题。介绍了青溪电厂顶盖排水控制回路成功改造实例,着重叙述了由可编程控制器改造成常规控制回路的原理及具体方案。
Guangdong Qingxi Hydropower Plant axial flow unit roof drainage control circuit has been one of the power plant safe operation problems, but also the domestic axial rotor-propeller unit operation to be solved common problems. Introduced the Qingxi power plant roof drainage control loop successful transformation examples, focuses on the programmable controller into a conventional control loop of the principle and the specific program.