Optimal Coordination of Active Generators in a Grid-Connected Microgrid
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| Natura: | Artículo científico |
| Lingua: | en |
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Universidad Nacional de Colombia
2020
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| _version_ | 1876467032889753600 |
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| author | Adriana C. Luna |
| author_facet | Adriana C. Luna |
| contents | Optimal Coordination of Active Generators in a Grid-Connected Microgrid Adriana C. Luna Nelson L. Díaz Eider Alexander Narvaez Ingeniería microgrids energy management systems energy storage equalization Distributed active generators In a microgrid composed of distributed active generators based on renewable energy sources, with heterogeneous features and generation profiles, the availability of the energy resource, the energy reserve capacity, and the degradation of the storage unit, define the constraints for the management and dispatch of each active generator. This can result in sub-optimal use of distributed energy resources in comparison with the operation of a single generation unit. However, under the current trend oriented to distributed installations, the overall operation could be improved if an aggregated operation is considered within the management level. This paper proposes a coordinated operation of the storage units associated with distributed active generators for a hybrid grid-connected microgrid. In order to optimize the use of the active generators, including the equalization of the state of charge of the storage units, a mathematical model is proposed. This model tries to avoid uneven degradation of the storage units, and, consequently, enhance the reserve capacity and reduce the depth of discharge by achieving the operation of the distributed system as a unified system. The simulations are carried out in GAMS and MATLAB in order to validate the system's operation. The results show a better performing grid-connected microgrid with the proposed approach. 2020 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64379866005 https://www.redalyc.org/journal/643/64379866005/ https://www.redalyc.org/journal/643/64379866005/html/ https://www.redalyc.org/journal/643/64379866005/64379866005.epub https://www.redalyc.org/journal/643/64379866005/movil 10.15446/ing.investig.v40n3.82665 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.3 Vol.40 |
| format | Artículo científico |
| id | redalyc_64379866005 |
| institution | Redalyc |
| language | en |
| publishDate | 2020 |
| publisher | Universidad Nacional de Colombia |
| spellingShingle | Optimal Coordination of Active Generators in a Grid-Connected Microgrid Adriana C. Luna Ingeniería microgrids energy management systems energy storage equalization Distributed active generators Optimal Coordination of Active Generators in a Grid-Connected Microgrid Adriana C. Luna Nelson L. Díaz Eider Alexander Narvaez Ingeniería microgrids energy management systems energy storage equalization Distributed active generators In a microgrid composed of distributed active generators based on renewable energy sources, with heterogeneous features and generation profiles, the availability of the energy resource, the energy reserve capacity, and the degradation of the storage unit, define the constraints for the management and dispatch of each active generator. This can result in sub-optimal use of distributed energy resources in comparison with the operation of a single generation unit. However, under the current trend oriented to distributed installations, the overall operation could be improved if an aggregated operation is considered within the management level. This paper proposes a coordinated operation of the storage units associated with distributed active generators for a hybrid grid-connected microgrid. In order to optimize the use of the active generators, including the equalization of the state of charge of the storage units, a mathematical model is proposed. This model tries to avoid uneven degradation of the storage units, and, consequently, enhance the reserve capacity and reduce the depth of discharge by achieving the operation of the distributed system as a unified system. The simulations are carried out in GAMS and MATLAB in order to validate the system's operation. The results show a better performing grid-connected microgrid with the proposed approach. 2020 artículo científico 0120-5609 https://www.redalyc.org/articulo.oa?id=64379866005 https://www.redalyc.org/journal/643/64379866005/ https://www.redalyc.org/journal/643/64379866005/html/ https://www.redalyc.org/journal/643/64379866005/64379866005.epub https://www.redalyc.org/journal/643/64379866005/movil 10.15446/ing.investig.v40n3.82665 en http://www.redalyc.org/revista.oa?id=643 Ingeniería e Investigación application/pdf Universidad Nacional de Colombia Ingeniería e Investigación (Colombia) Num.3 Vol.40 |
| title | Optimal Coordination of Active Generators in a Grid-Connected Microgrid |
| topic | Ingeniería microgrids energy management systems energy storage equalization Distributed active generators |
| url | https://www.redalyc.org/articulo.oa?id=64379866005 https://www.redalyc.org/journal/643/64379866005/ https://www.redalyc.org/journal/643/64379866005/html/ https://www.redalyc.org/journal/643/64379866005/64379866005.epub https://www.redalyc.org/journal/643/64379866005/movil |