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文献详情 >A Distributed Economic Dispatc... 收藏

A Distributed Economic Dispatch Algorithm Based on Multi-Agent Consensus Control and Incremental Power Supplying

作     者:Chen, Wushun Li, Tao 

作者机构:School of Mechatronic Engineering and Automation Shanghai University Shanghai200444 China Key Laboratory of Pure Mathematics and Mathematical Practice School of Mathematical Sciences East China Normal University Shanghai200241 China 

出 版 物:《IFAC-PapersOnLine》 

年 卷 期:2018年第51卷第23期

页      面:7-12页

核心收录:

基  金:Corresponding Author: Tao Li. This work was supported by the National Natural Science Foundation of China under Grant 61522310 and the Shu Guang project of Shanghai Municipal Education Commission and Shanghai Education Development Foundation under grant 17SG26 

主  题:Electric load dispatching Distributed power generation Economics Electric energy storage Graph algorithms Intelligent agents Iterative methods Microgrids Multi agent systems Scheduling Topology Trees (mathematics) Average consensus protocol Consensus algorithms Distributed generator (DGs) Economic Dispatch Economic dispatch problems Energy internet Intelligent control unit Leader follower consensus 

摘      要:In this paper, the economic dispatch problem (EDP) is studied for an energy internet, which is composed of energy routers (ERs) and intelligent microgrids interconnected with the main grid. The intelligent microgrid consists of several distributed generators (DGs), energy storage units, loads and intelligent control units. A distributed economic dispatch algorithm is proposed based on the leader-follower consensus and the average-consensus protocols. The average power mismatch of all buses of the whole microgrid is iteratively estimated by the average-consensus algorithm. After each iteration, the increment of power is adjusted by the energy router. By algebraic graph theory and limit theory, it is proved that if the network topology of the energy internet contains a spanning tree with the energy router as the root node, then the algorithm ensures that the incremental costs (ICs) of all distributed generators tend to the electricity price obtained by the energy router, the balance of energy supply and demand is asymptotically achieved for the whole microgrid system, and the economic dispatch is asymptotically optimal. The simulation results demonstrate the effectiveness of the proposed algorithm. © 2018

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