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Energies 2018, 11(1), 9; doi:10.3390/en11010009

Optimization of the Operation of Smart Rural Grids through a Novel Energy Management System

Centre d’Innovació Tecnològica en Convertidors Estàtics i Accionaments (CITCEA-UPC), Departament d’Enginyeria Elèctrica, Universitat Politècnica de Catalunya ETS d’Enginyeria Industrial de Barcelona, Av. Diagonal, 647, Pl. 2, 08028 Barcelona, Spain
Author to whom correspondence should be addressed.
Received: 14 November 2017 / Revised: 16 December 2017 / Accepted: 18 December 2017 / Published: 21 December 2017
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The paper proposes an innovative Energy Management System (EMS) that optimizes the grid operation based on economic and technical criteria. The EMS inputs the demand and renewable generation forecasts, electricity prices and the status of the distributed storages through the network, and solves with an optimal quarter-hourly dispatch for controllable resources. The performance of the EMS is quantified through diverse proposed metrics. The analyses were based on a real rural grid from the European FP7 project Smart Rural Grid. The performance of the EMS has been evaluated through some scenarios varying the penetration of distributed generation. The obtained results demonstrate that the inclusion of the EMS from both a technical point of view and an economic perspective for the adopted grid is justified. At the technical level, the inclusion of the EMS permits us to significantly increase the power quality in weak and radial networks. At the economic level and from a certain threshold value in renewables’ penetration, the EMS reduces the energy costs for the grid participants, minimizing imports from the external grid and compensating the toll to be paid in the form of the losses incurred by including additional equipment in the network (i.e., distributed storage). View Full-Text
Keywords: rural electrical grids; energy management system; energy storage; distributed generation rural electrical grids; energy management system; energy storage; distributed generation

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Girbau-LListuella, F.; Díaz-González, F.; Sumper, A. Optimization of the Operation of Smart Rural Grids through a Novel Energy Management System. Energies 2018, 11, 9.

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