福建仙游抽水蓄能电站上水库初期蓄水工期优化方案研究

Study on optimized scheme for construction period of initial impoundment for upper reservoir of Xianyou Pumped Storage Hydropower Station in Fujian

参考国内抽水蓄能电站首台机组调试的蓄水量,仙游抽水蓄能电站工程按首先启动水轮机机组进行调试,按来水保证率75%计算,还需蓄水约100万m3才能满足一台机组调试要求。本文着重介绍利用拦渣坝改造提前蓄水和外流域引水方案实现大坝蓄水工期优化方案,从而确保了上水库蓄水满足机组调试和发电要求。

By referring to the water storage for the commissioning of the first pumped storage hydropower unit in the pumped stor- age hydropower station in China, Xianyou Pumped Storage Hydropower Station is commissioned by starting the water turbine unit at first on the basis of meeting the requirement for the commissioning of one unit with the calculated inflow guarantee rate of 75% and water storage of 1.0 million m3. The optimized scheme for the construction period of the reservoir impoundment realized by the advanced impoundment of the improvement of a tailing dam and the external watershed water diversion scheme is mainly de- scribed herein, which ensures the requirement of the upper reservoir impoundment for the commissioning and power generation of the pumped storage hydropower unit and then can provide a reference for the similar project as well.