电站枢纽综合出力系数计算及对调度过程模拟影响.docVIP

电站枢纽综合出力系数计算及对调度过程模拟影响 　　doi:10.3724/SP.J.1201.2012.01014 　　? 　　摘要：梯级水电站优化调度是当前大型水电枢纽研究的重要课题，调度方案的优劣对水电站发电效益影响很大。在进行调度方案建模过程中，出力计算是其中的核心问题之一，在以往的枢纽优化调度研究中，优化算法的应用研究占绝对的比重，但大都没有对其中建模的细节有过详细的描述，通过对三峡及葛洲坝梯级枢纽运行数据进行分析，给出枢纽出力系数的相关关系，以期对建模及求解提供较为准确的基础数据，同时，采用机组出力系数关系式对出力计算进行模拟，并对结果进行了初步的分析。? 　　关键词：电站枢纽；出力系数；调度模拟；出力计算；粒子群算法；三峡电站；葛洲坝电站? 　　中图分类号：TV131；TM612 文献标识码：A 文章编号： 　　1672-1683（2012）01-0014-04? 　　Calculation of Comprehensive Power Output Coefficient of a Hydropower Station ?and Its Effects on Simulating the Regulation Process? 　　LIU Rong-hua，WEI Jia-hua，LI Xiang? 　　(The State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing 100084,China)? 　　Abstract:Optimal operation of the cascaded hydropower station is an important subject for the research on the large hydropower complex,and the quality of the operation scheme can affect significantly the generation benefits of the hydropower station.During the modeling of the operation scheme,calculation of the power outputs is one of the core works.Previous research on the optimal operation of power plants focused on the application of the optimal algorithms,and the development of the model was seldom described.This paper presents the calculations of the power output coefficients of the Three Gorge and Gezhouba power plants based on their operation data,which can provide the accurate data for future modeling of the operation scheme.Moreover,the power outputs for the two plants have been simulated using the proposed new method and the preliminary analysis of the power outputs results is reported.? 　　Key words:hydropower plants;power output coefficient;regulation process simulation;power output calculation;particle swarm algorithm;Three Gorge plant;Gezhouba plant 　　? 　　 　　发电枢纽建设完成后，运行管理及发电效益的研究显得非常重要，对于一个年???电量100亿千瓦时的电站，如果优化调度增发2%的电量即可产生很可观的经济效益，这对“节能发电”和减排都具有非常重要的意义。一直以来，很多学者对电站优化调度进行了很多深入和重要的研究，梅亚东等研究了黄河上游梯级水电站短期优化调度模型及迭代解法［1］；李爱玲研究了水电站水库群系统优化调度的大系统分解协调方法研究、具有预报信息的水电站群兴利优化调度模型［2］；蔡治国、李想等研究了三