Distributed Optimal Co-multi-microgrids Energy Management for Energy Internet

Unlike conventional power systems,the upcoming energy internet(EI) emphasizes comprehensive utilization of energy in the whole power system by coordinating multi-microgrids,which also brings new challenge for the energy management.To address this issue,this paper proposes a novel consensus-based dis...

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Bibliographic Details
Published in:IEEE/CAA journal of automatica sinica 2016-10, Vol.3 (4), p.357-364
Main Authors: Huang, Bonan, Li, Yushuai, Zhang, Huaguang, Sun, Qiuye
Format: Article
Language:English
Subjects:
Electric utilities
Energy management
Generators
Internet
Microgrids
Power markets
Sun
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Summary:Unlike conventional power systems,the upcoming energy internet(EI) emphasizes comprehensive utilization of energy in the whole power system by coordinating multi-microgrids,which also brings new challenge for the energy management.To address this issue,this paper proposes a novel consensus-based distributed approach based on multi-agent framework to solve the energy management problem of the energy internet,which only requires local information exchange among neighboring agents.Correspondingly,two consensus algorithms are presented,one of which drives the incremental cost of each distributed generator(DG) converge to the state of the leader agent-energy router,and the other one is used to estimate the global power mismatch,which is a first-order average consensus algorithm modified by a correction term.In addition,in order to meet the supply-demand balance,an effective control strategy for the energy router is proposed to accurately calculate the power exchange between the microgrid and the main grid.Finally,simulation results within a 7-bus test system are provided to illustrate the effectiveness of the proposed approach.
ISSN:2329-9266
2329-9274
DOI:10.1109/JAS.2016.7510073