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筒形阀是水轮机的一种新型进水阀门。介绍了董箐水电站4号机组筒形阀故障的特征和分析处理意见,从电气控制部分故障、筒体变形、机械液压控制故障3个方面叙述了4号机组筒形阀失步故障的分析处理过程。
Cylinder valve is a new turbine inlet valve. This paper introduces the characteristics of the failure of the cylindrical valve of Unit 4 in Donghuan Hydropower Station and the opinions on its analysis and treatment. The analysis and treatment of the out-of-step failure of the cylindrical valve of Unit 4 is described from three aspects of electrical control fault, cylinder deformation and mechanical hydraulic control fault process.