Privacy-preserving non-iterative decentralized optimal energy flow for integrated hydrogen-electricity-heat system based on projection method

Hongyi Peng, Mingyu Yan and Yijia Zhou

Applied Energy, 2024, vol. 368, issue C, No S0306261924008535

Abstract: In this paper, a privacy-preserving non-iterative decentralized optimal energy flow for integrated hydrogen-electricity-heat system based on projection method is proposed. A centralized operation model of the integrated hydrogen-electricity-heat system is first established, which is further decomposed into hydrogen, electricity, and heat subproblems, respectively. The proposed projection method transforms the operation space of each subproblem into an equivalent projection space containing whole information of the original operation space. After the operation space transformation, the private information of each system is concealed, thus preserving the privacy of each system. The equivalent projection space of each subsystem constitutes the reformulated convex hull of the integrated energy system. By solving the optimization problem in the reformulated convex hull, the optimal solutions of coupling variables of the integrated energy system are obtained. The optimal solution of coupling variables is used to decompose the integrated energy system and reformulate the subproblem of each subsystem. Optimal energy flow of each subsystem is obtained by solving the reformulated subproblem. Iterations are avoided throughout the solution process of the proposed method, thus addressing various disadvantages of conventional decentralized methods, like poor computational performance and potential non-convergence. The economic performance of the proposed operation model and the computational performance of the proposed projection method were tested on a 6‐6-8 nodes system and a 40‐118-13 nodes system. The low cost and carbon emission of the proposed model and the accuracy, privacy preservation, simplification of model, and less computational time of the proposed method are verified.

Keywords: Integrated energy systems; Projection method; Decentralized energy flow; Privacy preserving; Hydrogen fuel cell (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0306261924008535
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:368:y:2024:i:c:s0306261924008535

Ordering information: This journal article can be ordered from
http://www.elsevier.com/wps/find/journaldescription.cws_home/405891/bibliographic
http://www.elsevier. ... 405891/bibliographic

DOI: 10.1016/j.apenergy.2024.123470

Access Statistics for this article

Applied Energy is currently edited by J. Yan

More articles in Applied Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().