摘要
通过对某电厂4号机组4号-6号瓦振动突变的分析，得出LPⅡ转子次末级调阀端某叶片的叶冠脱落是导致振动突变的结论，为该机组的检修提供了可靠的依据，可供同类机组的该类故障分析及检修提供参考。
Vibration of No. 4 - No. 6 bearing in a turbo-generator of an power plant increased sharply was analyzed in this paper, and the reason was concluded that blade ring broken near the adjusting valve of the second-last stage of LPⅡ rotor, this paper gives a reliable suggestion for the turbo-generator with the result that the default was eliminated. It is a reference for relative cases.
出处
《汽轮机技术》
北大核心
2008年第6期462-464,共3页
Turbine Technology
关键词
振动
叶片
叶冠
virbration
blade
ring
