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Optimal Energy Management within a Microgrid: A Comparative Study

Electrical Engineering Department, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Department of Informatics, University of Almería, Agrifood Campus of International Excellence (ceiA3) CIESOL Joint Centre University of Almería-CIEMAT, 04120 Almería, Spain
Author to whom correspondence should be addressed.
Energies 2018, 11(8), 2167;
Received: 21 June 2018 / Revised: 19 July 2018 / Accepted: 16 August 2018 / Published: 19 August 2018
(This article belongs to the Special Issue Microgrids-2018)
In this work, we focus on optimal energy management within the context of the tertiary control of a microgrid operating in grid-connected mode. Specifically, the optimal energy management problem is solved in a unified way by using the optimal power flow (OPF) and day-ahead concepts. The elements considered in the microgrid are a photovoltaic panel, a wind turbine, electric vehicles, a storage system, and a point of common coupling with the main grid. The aim of this paper consists of optimizing the economic energy dispatch within the microgrid considering known predictions of electricity demand, solar radiation, and wind speed for a given period of time. The OPF is solved using three different algorithms provided by the optimization toolbox of MATLAB® (R2015a, MathWorks®, Natick, MA, USA): the interior point method (IP), a hybrid genetic algorithm with interior point (GA-IP), and a hybrid direct search with interior point (patternsearch-IP). The efficiency and effectiveness of the algorithms to optimize the energy dispatch within the microgrid are verified and analyzed through a case study, where real climatological data of solar irradiance, wind speed in Almería city, photovoltaic system data, and room load from a bioclimatic building were considered. View Full-Text
Keywords: microgrid; optimal power flow; distributed power system; energy management microgrid; optimal power flow; distributed power system; energy management
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MDPI and ACS Style

Polanco Vasquez, L.O.; Carreño Meneses, C.A.; Pizano Martínez, A.; López Redondo, J.; Pérez García, M.; Álvarez Hervás, J.D. Optimal Energy Management within a Microgrid: A Comparative Study. Energies 2018, 11, 2167.

AMA Style

Polanco Vasquez LO, Carreño Meneses CA, Pizano Martínez A, López Redondo J, Pérez García M, Álvarez Hervás JD. Optimal Energy Management within a Microgrid: A Comparative Study. Energies. 2018; 11(8):2167.

Chicago/Turabian Style

Polanco Vasquez, Luis O., Cristian A. Carreño Meneses, Alejandro Pizano Martínez, Juana López Redondo, Manuel Pérez García, and José D. Álvarez Hervás 2018. "Optimal Energy Management within a Microgrid: A Comparative Study" Energies 11, no. 8: 2167.

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