Optimal Energy Management of Multi-Microgrids with Sequentially Coordinated Operations

Nah-Oak Song, Ji-Hye Lee, Hak-Man Kim, Yong Hoon Im and Jae Yong Lee
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Nah-Oak Song: Center for Collaborative Internet Ecosystems Research Center, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 305701, Korea
Ji-Hye Lee: Department of Electrical Engineering, Incheon National University, 12-1 Songdo-dong, Yeonsu-gu, Incheon 406840, Korea
Hak-Man Kim: Department of Electrical Engineering, Incheon National University, 12-1 Songdo-dong, Yeonsu-gu, Incheon 406840, Korea
Yong Hoon Im: Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 305343, Korea
Jae Yong Lee: Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 305343, Korea

Energies, 2015, vol. 8, issue 8, 1-20

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.

Keywords: multi-microgrids; cooperative microgrids; energy management system; sequential operation; energy trading (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (19)

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