Application of Improved Ant Colony Optimization on Economical Operation of Automatic Generation Control Units in Hydropower Station

Author:

Li Yi Fan1,Wang Ke Guan1,Gong Chuan Li1

Affiliation:

1. China Institute of Water Resources and Hydropower Research

Abstract

This paper proposed an improved ant colony optimization(ACO), to solve the economical operating dispatch of automatic generation control(AGC) units in hydropower station. The improved ant colony algorithm PSO-ACO imported particle swarm optimization is put forward. Both of the global convergence performance and the effectiveness of this algorithm is improved by using self-adaptive parameters and importing PSO to optimize the current ant paths. The mathematical description and procedure of the PSO-ACO are given with the maximum plant generating efficiency model as an example. Finally the superiority of the PSO-ACO is demonstrated by the application of AGC units on right bank of Three Gorges hydropower station. The optimal solution is more accurate and the calculation speed is higher than other methods.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference9 articles.

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2. Howson H R, Sancho N G F: A New Algorithm for the Solution of Multistate Dynamic Programming Problem. Mathematical Programming, 8(1)(1975), pp.114-116.

3. Li Liang, Huang Qiang, Xiao Yan: The Application Research of DPSA and Large-scale System Decomposition-coordination for Cascaded Hydroelectric Short-term Optimal Scheduling. 33(10) (2005), pp.125-128.

4. Korsak A J, Larson R F: A Dynamic Programming Successive Approximation Techniques with Convergence Proof, 1: The Description and Application of Method. Int. Fed. Automat. Contr, 6(2)(1970), pp.253-260.

5. Wardlaw R, Sharif M. Evaluation of genetic algorithms for optimal reservoir system operation. Journal of Water Resources Planning and Management-ASCE, 125(1)(1999), pp.25-33.

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