三峡地下电站变顶高尾水洞技术研究与应用  

Design and application of inclined roof tailrace tunnel in underground power station of TGP

作　　者：钮新强[1] 杨建东[2] 谢红兵[1] 王煌[1] 

机构地区：[1]长江水利委员会设计院,湖北武汉430010 [2]武汉大学水利水电学院,湖北武汉430072

出　　处：《人民长江》2009年第23期1-4,共4页Yangtze River

摘　　要：在三峡地下电站可行性研究和初步设计中,针对尾水系统设计进行了不设调压室、设调压室方案和变顶高尾水洞方案的比较,其中又分别进行了一机一洞和两机一洞方案布置型式的研究。首次在三峡地下电站进行了带模型机组的引水发电系统整体模型试验,通过大量的计算分析和模型试验,不断优化尾水系统的布置,最终采用了一机一洞变顶高尾水洞方案,并已付诸实施。对变顶高尾水洞系统的深入研究,开拓了创新思路并取得了设计经验,可为类似电站工程设计借鉴。In the feasibility study and initial design of underground power station of TGP,according to tailrace system design,three schemes including with/without surge chamber and inclined roof tailrace tunnel are compared,among which two types of layout such as one machine one tunnel and two machines one tunnel are studied.Integral model test of water diversion and power generation system with unit model is first carried out in the underground power station of TGP.Through massive calculation analysis and model tests,the tailrace system layout is optimized.The scheme of inclined roof tailrace tunnel with one machine one tunnel is adopted and conducted.Innovative thoughts and design experience are obtained through further research of inclined roof tailrace tunnel,which could serve as a reference for similar designs.

关 键 词：尾水调压室 变顶高尾水洞 整体模型试验 三峡地下电站 

分 类 号：TV732.5[水利工程—水利水电工程]