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Optimizer in a Box: Simple Economic Optimization of Power Dispatch in Small Microgrids using OPC-UA

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 156 - Number 9
Year of Publication: 2016
Authors:
Roberto Alexandre Dias, Gregory das Chagas Gomes, Marcelo Lobo Heldwin
10.5120/ijca2016912569

Roberto Alexandre Dias, Gregory Chagas Gomes and Marcelo Lobo Heldwin. Optimizer in a Box: Simple Economic Optimization of Power Dispatch in Small Microgrids using OPC-UA. International Journal of Computer Applications 156(9):27-33, December 2016. BibTeX

@article{10.5120/ijca2016912569,
	author = {Roberto Alexandre Dias and Gregory das Chagas Gomes and Marcelo Lobo Heldwin},
	title = {Optimizer in a Box: Simple Economic Optimization of Power Dispatch in Small Microgrids using OPC-UA},
	journal = {International Journal of Computer Applications},
	issue_date = {December 2016},
	volume = {156},
	number = {9},
	month = {Dec},
	year = {2016},
	issn = {0975-8887},
	pages = {27-33},
	numpages = {7},
	url = {http://www.ijcaonline.org/archives/volume156/number9/26739-2016912569},
	doi = {10.5120/ijca2016912569},
	publisher = {Foundation of Computer Science (FCS), NY, USA},
	address = {New York, USA}
}

Abstract

In this paper a simple approach to is presented to economically optimize the power dispatch in a small microgrids environment. The optimization is modeled as a linear program problem and was solved by the Gnu Linear Program Tool Kit (GLPK). The converters and inverters that compose the microgrid use the OPC-UA protocol over Ethernet network to exchange data. The main contribution of this paper is the development of a simple optimizer system and friendly communication framework, compatible with small microgrids using renewable energy sources, like green data-centers and home environments to minimize the energy cost subjected to power limits of energy sources and loads demands.

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Keywords

Microgrids, Linear Programming, OPC-UA, Simplex