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针对紧水滩电站2号机转轮叶片出现裂纹的情况,结合水轮机运行工况对裂纹产生的原因进行了分析,并对转轮叶片裂纹修复的处理方法进行了介绍,处理后运行中未再出现裂纹。
In view of the cracks in the runner blades of No.2 turbine at Jinshuitan Hydropower Station, the causes of the cracks are analyzed based on the operating conditions of the turbine. The treatment methods for the crack repair of runner blades are introduced. No cracks occur after the operation .