三峡梯级水电站蓄能最大长期优化调度模型及分解算法A LONG-TERM SCHEDULING MODEL FOR STORED ENERGY MAXIMIZATION OF THREE GORGES CASCADE HYDROELECTRIC STATIONS AND ITS DECOMPOSITION ALGORITHM
曾勇红,姜铁兵,张勇传
摘要(Abstract)：
建立了三峡梯级水电系统计划期末蓄能最大长期优化调度模型,采用大系统分解协调原理将发电量耦合约束进行了松弛,使各子系统仅是三峡下泻流量的一维优化问题。采用黄金分割法进行子问题的优化搜索,Lagrange乘子的更新则采用了次梯度法。使用三峡水力系统数据进行了数值检验,测试结果表明,文中所提出的模型和算法计算简单、可行、有效,适合于梯级水电长期运行规划的决策支持。
关键词(KeyWords)： 长期优化调度;次梯度法;Lagrange松弛;梯级水电系统;电力系统
基金项目(Foundation):
作者(Author): 曾勇红,姜铁兵,张勇传
Email:
DOI: 10.13335/j.1000-3673.pst.2004.10.002
参考文献(References)：
- [1] 张勇传.水电能优化管理[M].武汉:华中工学院出版社,1987．
- [2] Yeb W W G. Reservoir management and operation models: a state of artreview[J]. Water Resource Research, 1985, 21(12) : 1797-1818．
- [3] Guan X, Ni E, Li R et al. An optimization-based algorithm for scheduling hydrothermal power systems with cascaded reservoirs and discrete hydro constraints[J]. IEEE Transactions on Power Systems, 1997, 12(4) : 1775-1780．
- [4] RuzicS, RajakovicN, Vuckovic A. A flexible approach to short-term hydro-thermal coordination, Part II & I [J]. IEEE Transactions on Power Systems, 1996, 11(3) : 1564-1578．
- [5] Salam M S, Nor KM, Hamdan AR. Hydrothermal scheduling based Lagrangian relaxation approach to hydrothermal coordination[J]. IEEE Transactions on Power Systems, 1998, 13(1) : 226-235．