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Authors
Affiliations
1 Department of Electrical Engineering, Alborz branch-University of Science and Research, Islamic Azad University, IR
2 Electrical Engineering Department, Karaj branch, Islamic Azad University, IR
Source
Indian Journal of Science and Technology, Vol 8, No 2 (2015), Pagination: 134-141
Abstract
Unit commitment is a key and important function in power system operation. The goal of this function is to supply the load demand economically. In order to achieve this goal, unit commitment function determines the condition of the units to be on or off and the amount of generation for generating units of power system for a period of time.
The extended form of this operational function, i.e. Security constrained unit commitment, which is the objective of this paper, considers the security constraints, for example transmission lines overload, beside the other constraints in determining the condition of the generating units to be on or off.
In this paper, a hybrid method is proposed for dynamic programming, genetic algorithm and particle swarm optimization. In order to solve the unit commitment of power systems considering system security constraints. The condition of the units to be on or off and economic dispatch are determined and solved by considering system security constraints through previously mentioned combination method.
Keywords
Combinatorial Solution Strategy, Dynamic Programming (DP), Genetic Algorithm (GA), Particle Swarm Optimization (PSO), SCUC Security Constrained Unit Commitment.
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