The paper ecpounds the principle of freon evaporation cooling system on 400MW water turbine generator in Lijiaxia hyderaulic power station,and makes a discussion of the unit structure and the operation characteristics.

• 文章对就李家峡水电站 4%23 水轮发电机氟里昂蒸发冷却系统的原理进行简要论述 ,并对机组结构及运行特点等技术问题进行了探讨。