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为解决水头变幅较大的电站机组在高水头小开度下运行的稳定性问题,以及适应未来水位的变化、利用富余水量多发电量,一些水电站设置了机组最大容量。但是由于电力调度等方面的限制,这部分容量大多处于闲置状态。经分析,水电机组按最大容量调度运行具有多重效益,是必要的,也是可行的。
In order to solve the stability problem of power station units with large head variation in high head and small opening and to adapt to the change of future water level, some hydropower stations set the maximum capacity of generating units by using surplus water and generating electricity. However, due to power scheduling and other restrictions, most of this capacity is idle. After analysis, it is necessary and feasible that the hydropower units have multiple benefits by scheduling operation according to the maximum capacity.