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Privacy-Preserving Consensus-Based Distributed Economic Dispatch of Smart Grids via State Decomposition
Wei Chen; Guo-Ping Liu
Source PublicationIEEE/CAA Journal of Automatica Sinica
ISSN2329-9266
2024
Volume11Issue:5Pages:1250-1261
AbstractThis paper studies the privacy-preserving distributed economic dispatch (DED) problem of smart grids. An autonomous consensus-based algorithm is developed via local data exchange with neighboring nodes, which covers both the islanded mode and the grid-connected mode of smart grids. To prevent power-sensitive information from being disclosed, a privacy-preserving mechanism is integrated into the proposed DED algorithm by randomly decomposing the state into two parts, where only partial data is transmitted. Our objective is to develop a privacy-preserving DED algorithm to achieve optimal power dispatch with the lowest generation cost under physical constraints while preventing sensitive information from being eavesdropped. To this end, a comprehensive analysis framework is established to ensure that the proposed algorithm can converge to the optimal solution of the concerned optimization problem by means of the consensus theory and the eigenvalue perturbation approach. In particular, the proposed autonomous algorithm can achieve a smooth transition between the islanded mode and the grid-connected mode. Furthermore, rigorous analysis is given to show privacy-preserving performance against internal and external eavesdroppers. Finally, case studies illustrate the feasibility and validity of the developed algorithm.
KeywordConsensus-based DED algorithm privacy preservation smart grids state decomposition
DOI10.1109/JAS.2023.124122
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Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/55713
Collection学术期刊_IEEE/CAA Journal of Automatica Sinica
Recommended Citation
GB/T 7714
Wei Chen,Guo-Ping Liu. Privacy-Preserving Consensus-Based Distributed Economic Dispatch of Smart Grids via State Decomposition[J]. IEEE/CAA Journal of Automatica Sinica,2024,11(5):1250-1261.
APA Wei Chen,&Guo-Ping Liu.(2024).Privacy-Preserving Consensus-Based Distributed Economic Dispatch of Smart Grids via State Decomposition.IEEE/CAA Journal of Automatica Sinica,11(5),1250-1261.
MLA Wei Chen,et al."Privacy-Preserving Consensus-Based Distributed Economic Dispatch of Smart Grids via State Decomposition".IEEE/CAA Journal of Automatica Sinica 11.5(2024):1250-1261.
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