Abstract: Jinping II hydropower station has the characters of high head, large capacity and long tunnel. There are some special characteristics and difficulties with the turbine selection and the operation of power station. This article reviews the selection of hydraulic turbine structure and extracts a number of specific data of performance comparisons which marks the success of unit selection, design and manufacturing. Meanwhile, based on the characteristics of the power station, suggestions are put forward for stable operation and rapid response of the unit.

Key words: Jinping II hydropower station, hydraulic turbine, ring gate, long tunnel, operation strategy

摘要： 锦屏二级水电站为高水头、大容量、长引水式电站。该电站的水轮机选型及运行有一些特点和难点。笔者回顾了水轮机结构选择，以及摘录了一些性能试验对比的具体数据，标志着机组选型和设计制造的成功，同时根据电站特点，在机组稳定运行、快速反应方面提出了建设性的建议。

关键词: 锦屏二级水电站, 水轮机, 筒形阀, 长引水, 运行策略