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Open AccessArticle

Dynamic Programming for Optimal Energy Management of Hybrid Wind–PV–Diesel–Battery

1
Department of Power Systems, Faculty of Electrical Engineering, Danang University of Science and Technology—The University of Danang, Danang City 550000, Vietnam
2
lternative Energies and Atomic Energy Commission (CEA), National Institute for Solar Energy (INES), 50 Avenue du Lac Léman, F-73375 Le Bourget-du-Lac, France
*
Author to whom correspondence should be addressed.
Energies 2018, 11(11), 3039; https://doi.org/10.3390/en11113039
Received: 14 October 2018 / Revised: 28 October 2018 / Accepted: 30 October 2018 / Published: 5 November 2018
With the dramatic development of renewable energy resources all over the world, Vietnam has started to apply them along with the conventional resources to produce the electrical power in recent years. Visually, the aim of this action is to improve the economic as well as the environmental benefits. Therefore, a vast of hybrid systems that combine Wind turbine, Photovoltaic (PV), Diesel generator and battery have been considered with different configurations. According to this topic, there are lots of research trends in the literature. However, we aim to the optimal energy management of this hybrid system. In particular, in this paper, we propose an optimization method to deal with it. The interesting point of the proposed method is the usage of the information of sources, loads, and electricity market as an embedded forecast step to enhance the effectiveness of the actual operation via minimizing the operation cost by scheduling distributed energy resources (DER) while regarding emission reduction in the hybrid system is considered as the objective function. In this optimization problem, the constraints are determined by two terms, namely: the balance of power between the supply and the load demand, and also the limitations of each DER. Thus, to solve this problem, we make use of the dynamic programming (DP) to transform a system into a multi-stage decision procedure with respect to the state of charge (SOC), resulting in the minimum system cost (CS). In order to highlight the pros of the proposed method, we implement the comparison to a rule-based method in the same context. The simulation results are examined in order to evaluate the effectiveness of the developed methodology, which is a so-called global optimization. View Full-Text
Keywords: dynamic programming; photovoltaic; wind; diesel; energy management dynamic programming; photovoltaic; wind; diesel; energy management
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An, L.N.; Tuan, T.Q. Dynamic Programming for Optimal Energy Management of Hybrid Wind–PV–Diesel–Battery. Energies 2018, 11, 3039.

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