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佛子岭抽水蓄能电站的水道系统长达2.14km,地下厂房采用首部式布置,在尾水主洞头部设置一座调压室。由于调压室位置正好位于佛子岭水库库尾的河道中,因此将调压室设计成下库高水位时兼有分流作用的河槽溢流式调压室。试验研究表明,自调压室分流的水流流态稳定,流速分布基本均匀,无不利的旋涡发生;调压室分流作用明显,可大大减少尾水主洞的水头损失,从而增加蓄能电站的有效发电量。
The water system of Foziling Pumped Storage Power Station is 2.14km in length. The underground workshop adopts the first layout, and a surge chamber is set at the head of the tailrace main tunnel. Because the surge chamber is located at the foot of the Fuziling Reservoir, the surge chamber is designed as a flood relief chamber of the flume with both diversion when the reservoir is at a high level. Experimental results show that the water flow diverted from the pressure regulating chamber is stable, the flow velocity distribution is basically uniform, and no vortices are generated. The shunting effect of the surge chamber is obvious, which can greatly reduce the head loss of the tailrace water main hole, Effective power generation.