Before alternation, failures often occurred in the hoist control system of tail water gate in Ankang Hydropower Station, which had impact the normal electricity generation.
安康电站尾水门机电气控制系统在改造前故障时有发生，严重影响电站正常生产，甚至威胁到电站防汛工作的开展。
The gate system of Xiaolangdi key water control project is very important to guarantee generation and control flood etc. So, high demand is necessary for electric control of gate system.
小浪底水利枢纽的闸门系统在保证发电、防洪等方面至关重要，故对闸门系统的电气控制有严格的要求。
Based on the analysis of the control demands of the exterior overfall arc water gate, control system buildup, design of the control mode and the realizable control function are put forward.
本文在分析溢流表孔弧形工作闸门控制需满足要求的基础上，提出控制系统组成、控制方式的设计以及可实现的控制功能。
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