INFORMATION CHANGE THE WORLD

International Journal of Information Engineering and Electronic Business(IJIEEB)

ISSN: 2074-9023 (Print), ISSN: 2074-9031 (Online)

Published By: MECS Press

IJIEEB Vol.5, No.5, Nov. 2013

A Novel Hybrid PSO-GSA Method for Non-convex Economic Dispatch Problems

Full Text (PDF, 155KB), PP.1-9


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Author(s)

Hardiansyah

Index Terms

Particle Swarm Optimization;Gravitational Search Algorithm;Non-convex Economic Dispatch;Ramp Rate Limits;Prohibited Operating Zones;Valve-Point Effect

Abstract

This paper proposes a novel and efficient hybrid algorithm based on combining particle swarm optimization (PSO) and gravitational search algorithm (GSA) techniques, called PSO-GSA. The core of this algorithm is to combine the ability of social thinking in PSO with the local search capability of GSA. Many practical constraints of generators, such as power loss, ramp rate limits, prohibited operating zones and valve point effect, are considered. The new algorithm is implemented to the non-convex economic dispatch (ED) problem so as to minimize the total generation cost when considering the linear and non linear constraints. In order to validate of the proposed algorithm, it is applied to two cases with six and thirteen generators, respectively. The results show that the proposed algorithms indeed produce more optimal solution in both cases when compared results of other optimization algorithms reported in literature.

Cite This Paper

Hardiansyah,"A Novel Hybrid PSO-GSA Method for Non-convex Economic Dispatch Problems", IJIEEB, vol.5, no.5, pp.1-9, 2013. DOI: 10.5815/ijieeb.2013.05.01

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