水力发电学报2011，Vol.30Issue(3)：180-186,7.
基于水电站调节品质的调压室设置条件探讨
Discussion on the setting condition of surge chamber based on the governing quality of hydropower station
摘要
Abstract
The setting condition of surge chamber is a key criterion in the primary design of hydropower stations. With the assumption of rigid water hammer, the equation of unit speed fluctuations at optimal governing quality and formulas for calculating the characteristic parameters of speed fluctuations are derived,and then a discriminant for the setting condition based on the governing quality is obtained. By theoretical analysis, the results are obtained that the amplitude of speed fluctuations is only associated with Tw/Ta and that the decay ratio is constant. This indicates that the governing quality of hydropower station mainly depends on Tw/Ta. Through application to engineering projects and comparative analysis with other discriminants, the main conclusions are as follow. For high and middle-head stations the allowable Tw or whether to set surge chambers is determined by the regulation guarantee parameters, while for low-head stations it is determined by the governing quality that is a stricter requirement than operation stability.关键词
水力学/调压室/调节品质/设置条件/调速器参数Key words
hydraulics/ surge chamber/ governing quality/ setting condition/ governor parameters分类
建筑与水利引用本文复制引用
鲍海艳,杨建东,付亮,李进平..基于水电站调节品质的调压室设置条件探讨[J].水力发电学报,2011,30(3):180-186,7.基金项目
国家自然科学基金项目(50909076) （50909076）
