1工程简介溪洛渡水电站左右两岸山体内各安装9台单机容量为770 MW的水轮发电机组,总装机容量为13 860 MW,是目前世界上规模最大的地下厂房。左岸布置两条泄洪洞,其中1号泄洪洞全长1 759 m,2号泄洪洞全长1 563 m,两条洞轴线平行,中心间距50 m,分别由进水塔、有压洞段、工作闸门室、无压段、龙落尾 1 Introduction of Project Xiluodu Hydropower Station is equipped with 9 hydroelectric generating units of 770 MW each with a total installed capacity of 13 860MW in the mountains on both sides of the Xiluodu hydropower station. It is the largest underground powerhouse in the world. Two spillway tunnels are arranged on the left bank, of which No. 1 spillway tunnel is 1 759 m in total length and No. 2 spillway tunnel is 1 563 m in length. The axes of the two tunnels are parallel to each other and their center spacing is 50 m. They are respectively composed of inlet tower, Work gate room, no pressure section, dragons tail