follower ring valve

1 move down and resume to cause prime this phenomenon, and then find out the defect with oblique installation of follow move pilot valve in governor group of pilot valv.

针对某热电站C50型可调整抽汽式汽轮机存在的负荷突降现象,进行了现场全面的测试,在对故障特征和液压调节系统原理进行全面分析的基础上,准确判断出导致该现象的根本原因是1号综合滑阀下移并恢复,进而找出调速器滑阀组随动滑阀安装偏斜的缺陷,采取相应的措施后,基本消除了该现象。