Optimal sizing and location of distributed generation for loss minimization using firefly algorithm

Muhamad Najib Kamarudin, Tengku Juhana Tengku Hashim, AbdulHamid Musa

Abstract


Distributed generation (DG) plays an important role in improving power quality as well as system realibility. As the incorporation of DG in the power distribution network creates several problems to the network operators, locating a suitable capacity and placement for DG will essentially help to improve the quality of power delivery to the end users. This paper presents the simulation of an application of firefly algorithm (FA) for optimally locating the most suitable placement and capacity of distributed generation (DG) in IEEE 33-bus radial distribution network. This strategy aims at minimizing losses together with improving the voltage profile in distribution network. The losses in real power and voltages at each bus are obtained using load flow analysis which was performed on an IEEE 33-bus radial distribution network using forward sweep method.  The proposed method comprises of simulation of the test system with DG as well as in the absence of DG in the system. A comparison between the Firefly Algorithm (FA) with Genetic Algorithm (GA) is also demonstrated in this paper. The results obtained have proven that the Firefly Algorithm has a better capability at improving both the voltage profile and the power losses in the system.

Keywords


Distributed Generation, Firefly Algorithm, Power losses, IEEE 33-bus distribution system, Optimization.

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DOI: http://doi.org/10.11591/ijeecs.v14.i1.pp421-427

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