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在轴流转桨式机组运行过程中,桨叶与导叶的协联关系决定着水轮机的运转效率,而水头的变化则决定着桨—导协联曲线值的选取,从而决定了调速器是否拥有良好的调节性能,故水头信号的实时性与准确性就显得尤其重要。文中介绍了挂治水电厂调速器自动水头的实现方式,对其他类似水电厂实现调速器自动水头功能具有一定的借鉴意义。
During the operation of the axial-flow paddle-type generating unit, the association between the blade and the guide vane determines the operating efficiency of the turbine, and the change of the water head determines the value of the paddle-guider linkage curve, which determines the speed governor Whether it has good regulation performance, so the head signal real-time and accuracy is particularly important. This paper introduces the realization of the governor automatic head of the hydropower plant in Hangzhi hydropower station, which is of some reference to realize the automatic head function of governor in other hydropower plants.