Distributed Consensus-Based Economic Dispatch in Power Grids Using the Paillier Cryptosystem

Yan, Y; Chen, Z; Varadharajan, V; Hossain, MJ; Town, GE

Distributed Consensus-Based Economic Dispatch in Power Grids Using the Paillier Cryptosystem

Yan, Y Chen, Z Varadharajan, V Hossain, MJ Town, GE

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Smart Grid, 2021, 12, (4), pp. 3493-3502
Issue Date:: 2021-07-01

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Field	Value	Language
dc.contributor.author	Yan, Y
dc.contributor.author	Chen, Z
dc.contributor.author	Varadharajan, V
dc.contributor.author	Hossain, MJ
dc.contributor.author	Town, GE
dc.date.accessioned	2022-04-18T02:06:23Z
dc.date.available	2022-04-18T02:06:23Z
dc.date.issued	2021-07-01
dc.identifier.citation	IEEE Transactions on Smart Grid, 2021, 12, (4), pp. 3493-3502
dc.identifier.issn	1949-3053
dc.identifier.issn	1949-3061
dc.identifier.uri	http://hdl.handle.net/10453/156318
dc.description.abstract	Economic dispatch is a critical problem in operation of power grids. A consensus-based algorithm was recently proposed to solve the economic dispatch problem in a distributed manner. In this paper, we propose a novel secure scheme for the consensus-based economic dispatch algorithm using the Paillier cryptosystem. This secure scheme ensures that not only the network transmitted information is protected from external malicious party but also the privacy information of each node remains intact. The proposed secure scheme has two features. First, it relies on the solution to the so-called structural consensus problem with time-varying network weights. Second, it contains a strategy for transmitting encrypted information and generating network weights with randomness, as well as treatment of the practical issues like quantization error and computation overflow/underflow. The performance in terms of cost optimization and privacy-preserving is verified by rigorous theoretical analysis and numerical simulation.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Smart Grid
dc.relation.isbasedon	10.1109/TSG.2021.3063712
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering, 0915 Interdisciplinary Engineering
dc.title	Distributed Consensus-Based Economic Dispatch in Power Grids Using the Paillier Cryptosystem
dc.type	Journal Article
utslib.citation.volume	12
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	0915 Interdisciplinary Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-04-18T02:06:21Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	12
utslib.citation.issue	4

Abstract:

Economic dispatch is a critical problem in operation of power grids. A consensus-based algorithm was recently proposed to solve the economic dispatch problem in a distributed manner. In this paper, we propose a novel secure scheme for the consensus-based economic dispatch algorithm using the Paillier cryptosystem. This secure scheme ensures that not only the network transmitted information is protected from external malicious party but also the privacy information of each node remains intact. The proposed secure scheme has two features. First, it relies on the solution to the so-called structural consensus problem with time-varying network weights. Second, it contains a strategy for transmitting encrypted information and generating network weights with randomness, as well as treatment of the practical issues like quantization error and computation overflow/underflow. The performance in terms of cost optimization and privacy-preserving is verified by rigorous theoretical analysis and numerical simulation.

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http://hdl.handle.net/10453/156318