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Energies 2015, 8(8), 8371-8390; doi:10.3390/en8088371

Optimal Energy Management of Multi-Microgrids with Sequentially Coordinated Operations

1
Center for Collaborative Internet Ecosystems Research Center, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 305701, Korea
2
Department of Electrical Engineering, Incheon National University, 12-1 Songdo-dong, Yeonsu-gu, Incheon 406840, Korea
3
Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 305343, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Neville R. Watson
Received: 27 May 2015 / Revised: 13 July 2015 / Accepted: 21 July 2015 / Published: 7 August 2015
(This article belongs to the Collection Smart Grid)
View Full-Text   |   Download PDF [810 KB, uploaded 7 August 2015]   |  

Abstract

We propose an optimal electric energy management of a cooperative multi-microgrid community with sequentially coordinated operations. The sequentially coordinated operations are suggested to distribute computational burden and yet to make the optimal 24 energy management of multi-microgrids possible. The sequential operations are mathematically modeled to find the optimal operation conditions and illustrated with physical interpretation of how to achieve optimal energy management in the cooperative multi-microgrid community. This global electric energy optimization of the cooperative community is realized by the ancillary internal trading between the microgrids in the cooperative community which reduces the extra cost from unnecessary external trading by adjusting the electric energy production amounts of combined heat and power (CHP) generators and amounts of both internal and external electric energy trading of the cooperative community. A simulation study is also conducted to validate the proposed mathematical energy management models. View Full-Text
Keywords: multi-microgrids; cooperative microgrids; energy management system; sequential operation; energy trading multi-microgrids; cooperative microgrids; energy management system; sequential operation; energy trading
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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

Song, N.-O.; Lee, J.-H.; Kim, H.-M.; Im, Y.H.; Lee, J.Y. Optimal Energy Management of Multi-Microgrids with Sequentially Coordinated Operations. Energies 2015, 8, 8371-8390.

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