Optimal energy management for stand-alone microgrids based on multi-period imperialist competition algorithm considering uncertainties: experimental validation

Marzband, Mousa, Parhizi, Narges and Adabi, Jafar (2016) Optimal energy management for stand-alone microgrids based on multi-period imperialist competition algorithm considering uncertainties: experimental validation. International Transactions on Electrical Energy Systems, 26 (6). pp. 1358-1372. ISSN 2050-7038

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Official URL: https://doi.org/10.1002/etep.2154

Abstract

Microgrid (MG) constitutes non-dispatchable resources and responsive loads, which can serve as a basic tool to reach desired objectives while distributing electricity more effectively, economically, and securely. However, high penetration of distributed generations into the grid leads to fundamental and critical challenges to ensure a reliable power system operation. This paper presents a general formulation of optimum operation strategy with the objective of cost optimization plan and demand response regulation. MG energy management problem can be formulated as an optimization problem in order to minimize the cost-related to generation resources and responsive loads. An expert heuristic approach based on multi-period imperialist competition algorithm is applied to implement an energy management system for optimization purposes. A comparison is carried out between the proposed algorithm and classical techniques, including particle swarm optimization and a modified conventional energy management system algorithms. An artificial neural network combined with Markov-chain approach is used to predict non-dispatchable power generation and load demand under uncertainty conditions. The proposed algorithm is evaluated experimentally on an MG testbed, and the obtained results demonstrate the efficiency of the proposed algorithm to minimize the total generation cost with a fast calculation time, which makes it useful for real-time applications.

Item Type: Article
Uncontrolled Keywords: demand response; imperialist competition algorithm; microgrid; optimal energy management; optimal scheduling; uncertainty
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 01 Mar 2018 09:45
Last Modified: 01 Mar 2018 09:45
URI: http://nrl.northumbria.ac.uk/id/eprint/33526

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