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Distributed Optimization for Integrated Energy Systems With Secure Multiparty Computation
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DOI：10.1109/JIOT.2022.3209017.png)
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摘要
En 中文
With increasing distributed energy resource integration, future power and energy systems will be more decentralized using advanced Internet of Things (IoT) technologies. Integrated energy systems (IESs) boost the whole energy efficiency by coordinating multiregional energy resources and networks. However, distributed coordination of the IES requires different subregions or energy hubs (EHs) to share their sensitive information (e.g., energy demands and operation status) explicitly, which poses serious privacy leakage. To this end, secure multiparty computation (SMPC) is innovatively introduced to the distributed optimization of the IES in this article. First, the standardized modeling of multiple interconnected EHs with the linearized network models is formulated to analyze the IES's inherent energy and information interaction comprehensively. Then, a privacy-preserving distributed optimal energy flow algorithm is proposed by combining the Paillier Cryptosystem mechanism with the alternating direction multiplier method (ADMM). Theoretical analysis proves the proposed method is convergent without sharing sensitive information in plaintext. Numerical experiments on a three-subregions IES validate that the proposed method has better convergence performance than the differential privacy-based method. Results show that the maximum relative error of the distributed optimal solutions with various step sizes is no more than 0.072% compared with the centralized method.
Keyword:
Privacy
Pipelines
Optimization
Internet of Things
Water resources
Resistance heating
Reactive power
Alternating direction method of multipliers
energy hubs (EHs)
integrated energy systems (IESs)
privacy-preserving
期刊
IF:
8.9
论文数:
1.4W
被引数:
7.8W
机构
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