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An optimization approach for minimizing energy losses of distribution systems based on distributed generation placement

Sultana, U. and Khairuddin, A. and Mokhtar, A. S. and Qazi, S. H. and Sultana, B. (2017) An optimization approach for minimizing energy losses of distribution systems based on distributed generation placement. Jurnal Teknologi, 79 (4). pp. 87-96. ISSN 0127-9696

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Abstract

The interest of electric utilities in distributed energy resources has increased in terms of maximising the latter’s technical, economic and environmental benefits. This paper presents a Grey Wolf Optimizer (GWO)-based approach for optimal placement and sizing of multiple Distributed Generation (DG), aimed at reducing active and reactive energy losses in the distribution system. Power system constraints, such as voltage magnitude limits and current boundaries are also considered. Recently, a swarm intelligence technique, namely, GWO was introduced, which is inspired by grey wolves strategy and utilises four categories of grey wolves (alpha, beta, delta and omega) to simulate a leadership hierarchy. The GWO technique and two other popular methods Particle Swarm Optimization (PSO) and Gravitational Search Algorithm (GSA)-are here tested on 15-and 33-bus radial distribution systems. The numerical results obtained using these methods are compared, with the best performance recorded via the proposed GWO method in terms of not only active and reactive energy loss but also voltage profile and convergence characteristics.

Item Type:Article
Uncontrolled Keywords:Grey Wolf Optimizer, Voltage Profile
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:76713
Deposited By: Fazli Masari
Deposited On:30 Apr 2018 13:52
Last Modified:30 Apr 2018 13:52

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