Multi-entity Peer-to-peer Transaction Mechanism of Distribution Network Considering Rapid Verification of Operation Constraints

被引：0
|
作者：
Qi H. [1 ]
Liu Y. [1 ]
Gao H. [1 ]
Wang X. [1 ]
Pan S. [1 ]
Li Z. [1 ]
机构：
[1] College of Electrical Engineering, Sichuan University, Chengdu
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2022年 / 46卷 / 23期
基金：
中国国家自然科学基金;
关键词：
distributed transaction; distribution network; market mechanism design; peer-to-peer transaction; primal-dual gradient method; security verification;
D O I：
10.7500/AEPS20211202005
中图分类号：
学科分类号：
摘要：
With the massive integration of distributed energy and the advancement of the low-carbon transition of the power system, peer-to-peer (P2P) energy transaction has gradually become an effective solution to promoting the accommodation of distributed energy. In this context, in order to solve the problems of unclear price mechanism in multi-agent P2P transactions, difficulty in protecting the privacy of the subject’s information and difficulty in checking distribution network constraints, this paper proposes a P2P distributed transaction mechanism oriented to multi-agent flexible interaction in distribution networks. The general utility models of buyers and sellers are refinedly modeled, and for the privacy protection in the transaction process, a distributed algorithm based on the primal-dual gradient method is proposed to solve the optimization model that maximizes the interests of each transaction entity. In the multi-entity information interactive process, each entity relies on the market limited transaction signals to make decisions, and achieves the optimal global utility of distribution network transaction entities based on the iterative update of local P2P transaction prices. In addition, the third-party distribution network operators are introduced to use the power transfer distribution factor (PTDF) and voltage sensitivity analysis to verify the node voltage and line flow in the transaction process in real time to ensure the safety of the distribution network operation and the timeliness of transactions. Finally, an example is used to verify the effectiveness of the proposed P2P transaction framework in terms of computation efficiency and iterative convergence. © 2022 Automation of Electric Power Systems Press. All rights reserved.
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页码：20 / 28
页数：8
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