Short-term generation scheduling model of Fujian hydro system

被引：25
|
作者：
Wang, Jinwen [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Hydropower & Informat Engn, Wuhan 430074, Peoples R China
来源：
ENERGY CONVERSION AND MANAGEMENT | 2009年 / 50卷 / 04期
基金：
美国国家科学基金会;
关键词：
Large-scale hydro system; Optimization; Generation scheduling; Lagrangian decomposition;
D O I：
10.1016/j.enconman.2008.12.004
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The Fujian hydropower system (FHS) is one of the provincial hydropower systems with the most complicated hydraulic topology in China. This paper describes an optimization program that is required by Fujian Electric Power Company Ltd. (FEPCL) to aid the shift engineers in making decisions with the short-term hydropower scheduling such that the generation benefit can be maximal. The problem involves 27 reservoirs and is formulated as a nonlinear and discrete programming. It is a very challenging task to solve such a large-scale problem. In this paper, the Lagrangian multipliers are introduced to decompose the primal problem into a hydro subproblem and many individual plant-based subproblems, which are respectively solved by the improved simplex-like method (SLM) and the dynamic programming (DP). A numerical example is given and the derived solution is very close to the optimal one, with the distance in benefit less than 0.004%. All the data needed for the numerical example are presented in detail for further tests and studies from more experts and researchers. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1085 / 1094
页数：10
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