低水头大流量混流式水轮机顶盖振动研究  

Research on the Vibration of the Top Cover of a Low Head High Flow Mixed Flow Turbine

作　　者：郭金忠 李华 GUO Jinzhong;LI Hua(Huaneng Lancang River Hydropower Inc.,Jinghong Hydropower Plant,Jinghong 666100,China)

机构地区：[1]华能澜沧江水电股份有限公司景洪水电厂,云南西双版纳666100

出　　处：《云南水力发电》2024年第8期144-148,共5页Yunnan Water Power

摘　　要：为解决低水头大流量混流式水轮机运行稳定性问题,景洪电站结合现有条件,开展了顶盖泄压管节流、顶盖强迫补气、调速器开机规律优化等措施,主要阐述顶盖泄压节流、顶盖强迫补气和调速器开机规律对水轮机运行稳定性的影响。To solve the stability problem of low head and high flow mixed flow water turbines,Jinghong Power Station has taken measures such as throttling of the top cover pressure relief pipe,forced air supply to the top cover,and optimization of the start-up rules of the governor,based on existing conditions.This paper mainly elaborates on the influence of top cover pressure relief throttling,top cover forced air supply,and governor startup rules on the stability of water turbine operation.

关 键 词：水轮机 顶盖 振动 泄压 补气 开机规律 

分 类 号：TV734.1[水利工程—水利水电工程]