Abstract
This paper attempts to report optimal result for economic emission dispatch (EED) problem together with economic load dispatch (ELD) problem with valve point effect. The result is obtained using a hybrid meta-heuristic technique not used earlier for the said purpose. The technique involves hybridised particle swarm optimisation (PSO) and ant colony optimisation (ACO) methods. The purpose is to minimise fuel cost and operating cost of generators and at the same time minimise harmful emission of NOx. In this study ELD problem has been considered for a power system with 13 generating units whereas ELD and EED both combined i.e. CEED problem is solved for 40-generator test system. The proposed PSO-ACO hybrid shows excellent convergence property and encouraging results in comparison with other hybrid methods.
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