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Optimal criterion and global/sub-optimal control schemes of decentralized economical dispatch for AC microgrid

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成果类型:
期刊论文
作者:
Liu, Zhangjie;Su, Mei;Sun, Yao*;Li, Lang;Han, Hua;Zhang, Xin;Zheng, Minghui
通讯作者:
Sun, Yao
作者机构:
[Zhang, Xin] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore.
[Liu, Zhangjie; Han, Hua; Su, Mei; Sun, Yao; Li, Lang] Cent S Univ, Sch Informat Sci & Engn, Changsha, Hunan, Peoples R China.
[Zheng, Minghui] Univ Buffalo State Univ New York, Dept Mech & Aerosp Engn, Buffalo, NY USA.
通讯机构:
[Sun, Yao] Cent S Univ, Sch Informat Sci & Engn, Changsha, Hunan, Peoples R China.
语种:
英文
关键词:
Economical dispatch;Decentralized control;Cost-based droop;Microgrid
期刊:
International Journal of Electrical Power & Energy Systems
ISSN:
0142-0615
年:
2019
卷:
104
页码:
38-42
文献类别:
WOS:Article
所属学科:
WOS学科类别:Engineering, Electrical & Electronic
入藏号:
基金类别:
National Natural Science Foundation of China [51677195, 61573384]; Natural Science Foundation of Hunan Province of China [2016JJ1019]; Chinese Ministry of Education [6141A02033514]
机构署名:
本校为第一且通讯机构
院系归属:
材料科学与工程学院
信息科学与工程学院
摘要:
This letter studies the economical dispatch problems (EDPs) in islanded microgrid from three aspects: a) whether the global optimal dispatch (GOD) can be achieved through a decentralized manner in a system; (b) if yes, how to achieve the GOD; (c) otherwise, how to obtain a suboptimal alternative. As a result, we arrive a criterion that GOD can be achieved in decentralized manners if and only if optimal solution functions (OSFs) are all strictly monotonically increasing. If a system meets this criterion, a decentralized droop method is proposed to help the system achieve GOD. Otherwise, a modified decentralized method is presented to guarantee the suboptimal dispatch. Both simulation and experiments are performed to validate the proposed methods.
参考文献:
Chen FX, 2017, IEEE T SMART GRID, V8, P63, DOI 10.1109/TSG.2016.2581488
Cingoz F, 2017, IEEE T POWER ELECTR, V32, P2743, DOI 10.1109/TPEL.2016.2574202
Elrayyah A, 2015, IEEE T IND APPL, V51, P3404, DOI 10.1109/TIA.2014.2387484
Guo F, 2017, DISTRIBUTED CONTROL
Guo FH, 2018, IEEE T IND INFORM, V14, P523, DOI 10.1109/TII.2017.2749264

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