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Energies
Volume 11
Issue 4
10.3390/en11040794
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Article

Power Management of the DC Bus Connected Converters in a Hybrid AC/DC Microgrid Tied to the Main Grid

by
Robert Antonio Salas-Puente
*,
Silvia Marzal
,
Raúl González-Medina
,
Emilio Figueres
and
Gabriel Garcera
Grupo de Sistemas Electrónicos Industriales del Departamento de Ingeniería Electrónica, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
*
Author to whom correspondence should be addressed.
Energies 2018, 11(4), 794; https://doi.org/10.3390/en11040794
Submission received: 14 February 2018 / Revised: 8 March 2018 / Accepted: 26 March 2018 / Published: 29 March 2018
(This article belongs to the Special Issue Academic and Industrial Research Experience for Experimental Microgrids)
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Abstract

In this paper, a centralized control strategy for the efficient power management of power converters composing a hybrid AC/DC microgrid is explained. The study is focused on the converters connected to the DC bus. The proposed power management algorithm is implemented in a microgrid central processor which is based on assigning several operation functions to each of the generators, loads and energy storage systems in the microgrid. The power flows between the DC and AC buses are studied in several operational scenarios to verify the proposed control. Experimental and simulation results demonstrate that the algorithm allows control of the power dispatch inside the microgrid properly by performing the following tasks: communication among power converters, the grid operator and loads; connection and disconnection of loads; control of the power exchange between the distributed generators and the energy storage system and, finally, supervision of the power dispatch limit set by the grid operator.
Keywords: power management algorithm; microgrid; communication with power converters power management algorithm; microgrid; communication with power converters

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MDPI and ACS Style

Salas-Puente, R.A.; Marzal, S.; González-Medina, R.; Figueres, E.; Garcera, G. Power Management of the DC Bus Connected Converters in a Hybrid AC/DC Microgrid Tied to the Main Grid. Energies 2018, 11, 794. https://doi.org/10.3390/en11040794

AMA Style

Salas-Puente RA, Marzal S, González-Medina R, Figueres E, Garcera G. Power Management of the DC Bus Connected Converters in a Hybrid AC/DC Microgrid Tied to the Main Grid. Energies. 2018; 11(4):794. https://doi.org/10.3390/en11040794

Chicago/Turabian Style

Salas-Puente, Robert Antonio, Silvia Marzal, Raúl González-Medina, Emilio Figueres, and Gabriel Garcera. 2018. "Power Management of the DC Bus Connected Converters in a Hybrid AC/DC Microgrid Tied to the Main Grid" Energies 11, no. 4: 794. https://doi.org/10.3390/en11040794

APA Style

Salas-Puente, R. A., Marzal, S., González-Medina, R., Figueres, E., & Garcera, G. (2018). Power Management of the DC Bus Connected Converters in a Hybrid AC/DC Microgrid Tied to the Main Grid. Energies, 11(4), 794. https://doi.org/10.3390/en11040794

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