五强溪水电站混流式机组不稳定现象的分析和处理  

The Instability Analysis for Francis Turbine of Wuqiangxi Hydropower Station and Its Improvement

作　　者：杜凯堂 

机构地区：[1]五强溪水电厂,湖南常德415000

出　　处：《大电机技术》2006年第4期40-45,共6页Large Electric Machine and Hydraulic Turbine

摘　　要：本文介绍了五强溪水电站机组的运行稳定性,分析了引起振动的原因,并阐述了改进措施及改善效果。改变混流式水轮机泄水锥的结构,可以降低尾水管压力脉动值。In this paper, the operating stability of Wuqiangxi Francis turbines, the reason caused by vibration of the unit, and the measures to be taken for improvement and effect have been introduced.The fact that the pressure pulsation in the draft tube may be reduced by modification of runner cone of these turbines has been observed.

关 键 词：五强溪水电站 混流式水轮机 稳定性 改进效果 

分 类 号：TK730.7[交通运输工程—轮机工程]