水轮发电机组出力损失分析  

Analysis of output loss of hydro-generator unit

作　　者：江雨[1] 杨棣[1] 杨荣[1] JIANG Yu;YANG Di;YANG Rong(Three Gorges Hydropower Plant of China Yangtze Power Co.,Ltd.,Yichang,443133,China)

机构地区：[1]中国长江电力股份有限公司三峡水力发电厂,湖北宜昌443133

出　　处：《水电站机电技术》2022年第7期12-15,18,169,共6页Mechanical & Electrical Technique of Hydropower Station

摘　　要：水轮发电机组因水力学原因,在额定水头无法达到额定出力时会降低水资源利用效率、影响机组稳定运行。本文通过对影响机组出力的流量、水头损失等因素进行分析,查找可能存在的水头损失的部位,为水电机组额定水头时无法达到额定出力问题提供了分析途径。Due to hydraulic reasons,the failure of hydro-generator units to reach rated output at the rated head will reduce utilization efficiency of water resources and affect the stability of operation of the unit.By analyzing the factors such as flow and head loss that affect the output of the units,this paper finds out some possible positions of head loss,and provides an analysis for the problem that rated output of the hydropower unit cannot be reached at the rated head.

关 键 词：水电机组 出力不足 额定水头 额定出力 

分 类 号：TM612[电气工程—电力系统及自动化]