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Optimal Energy Management for Stable Operation of an Islanded Microgrid

This paper presents a methodology on the design of an optimal predictive control scheme applied to an islanded microgrid. The controller manages the batteries energy and performs a centralized load shedding strategy to balance the load and generation within the microgrid, and to keep the stability o...

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Autor Principal: Minchala Avila, Luis Ismael
Formato: Artículos
Publicado: IEEE COMPUTER SOCIETY 2018
Materias:
Energy management
load shedding
microgrid control
Acceso en línea:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983728074&doi=10.1109%2fTII.2016.2569525&partnerID=40&md5=bb6d747e0d02a93e9bf6d8263ded12db
http://dspace.ucuenca.edu.ec/handle/123456789/29110
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spelling oai:localhost:123456789-291102018-02-17T11:26:35Z Optimal Energy Management for Stable Operation of an Islanded Microgrid Minchala Avila, Luis Ismael Energy management load shedding microgrid control This paper presents a methodology on the design of an optimal predictive control scheme applied to an islanded microgrid. The controller manages the batteries energy and performs a centralized load shedding strategy to balance the load and generation within the microgrid, and to keep the stability of the voltage magnitude. A nonlinear model predictive control (NMPC) algorithm is used for processing a data set composed of the batteries state of charge, the distributed energy resources (DERs) active power generation, and the forecasted load. The NMPC identifies upcoming active power unbalances and initiates automated load shedding over noncritical loads. The control strategy is tested in a medium voltage distribution system with DERs. This control strategy is assisted by a distribution monitoring system, which performs real-time monitoring of the active power generated by the DERs and the current load demand at each node of the microgrid. Significant performance improvement is achieved with the use of this control strategy over tested cases without its use. The balance between the power generated by the DERs and the load demand is maintained, while the voltage magnitude is kept within the maximum variation margin of pm 5\% recommended by the standard ANSI C84.1-1989. 2018-01-11T16:47:26Z 2018-01-11T16:47:26Z 2016-08-01 info:eu-repo/semantics/Article 15513203 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983728074&doi=10.1109%2fTII.2016.2569525&partnerID=40&md5=bb6d747e0d02a93e9bf6d8263ded12db http://dspace.ucuenca.edu.ec/handle/123456789/29110 10.1109/TII.2016.2569525 en_US instname:Universidad de Cuenca reponame:Repositorio Digital de la Universidad de Cuenca info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/3.0/ec/ IEEE COMPUTER SOCIETY IEEE Transactions on Industrial Informatics info:eu-repo/date/embargoEnd/2022-01-01 0:00
institution UCUENCA
collection Repositorio UCUENCA
universidades UCUENCA
language
format Artículos
topic Energy management
load shedding
microgrid control
spellingShingle Energy management
load shedding
microgrid control
Minchala Avila, Luis Ismael
Optimal Energy Management for Stable Operation of an Islanded Microgrid
description This paper presents a methodology on the design of an optimal predictive control scheme applied to an islanded microgrid. The controller manages the batteries energy and performs a centralized load shedding strategy to balance the load and generation within the microgrid, and to keep the stability of the voltage magnitude. A nonlinear model predictive control (NMPC) algorithm is used for processing a data set composed of the batteries state of charge, the distributed energy resources (DERs) active power generation, and the forecasted load. The NMPC identifies upcoming active power unbalances and initiates automated load shedding over noncritical loads. The control strategy is tested in a medium voltage distribution system with DERs. This control strategy is assisted by a distribution monitoring system, which performs real-time monitoring of the active power generated by the DERs and the current load demand at each node of the microgrid. Significant performance improvement is achieved with the use of this control strategy over tested cases without its use. The balance between the power generated by the DERs and the load demand is maintained, while the voltage magnitude is kept within the maximum variation margin of pm 5\% recommended by the standard ANSI C84.1-1989.
author Minchala Avila, Luis Ismael
author_facet Minchala Avila, Luis Ismael
author_sort Minchala Avila, Luis Ismael
title Optimal Energy Management for Stable Operation of an Islanded Microgrid
title_short Optimal Energy Management for Stable Operation of an Islanded Microgrid
title_full Optimal Energy Management for Stable Operation of an Islanded Microgrid
title_fullStr Optimal Energy Management for Stable Operation of an Islanded Microgrid
title_full_unstemmed Optimal Energy Management for Stable Operation of an Islanded Microgrid
title_sort optimal energy management for stable operation of an islanded microgrid
publisher IEEE COMPUTER SOCIETY
publishDate 2018
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983728074&doi=10.1109%2fTII.2016.2569525&partnerID=40&md5=bb6d747e0d02a93e9bf6d8263ded12db
http://dspace.ucuenca.edu.ec/handle/123456789/29110
_version_ 1635523452965224448
score 11,871979

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