“Peer-to-Peer Plus” Electricity Transaction within Community of Active Energy Agents Regarding Distribution Network Constraints

Min Fu, Zhiyu Xu, Ning Wang, Xiaoyu Lyu and Weisheng Xu
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Min Fu: School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China
Zhiyu Xu: School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China
Ning Wang: Institute of Bigdata and Informatization, Tongji University, Shanghai 200092, China
Xiaoyu Lyu: School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China
Weisheng Xu: School of Electronics and Information Engineering, Tongji University, Shanghai 201804, China

Energies, 2020, vol. 13, issue 9, 1-23

Abstract: This paper proposes the concept “active energy agent (AEA)” to characterize the autonomous and interactive entities of power system. The future distribution network is a peer-to-peer (P2P) community based on numbers of AEAs. A two-stage “P2P Plus” mechanism is developed to address the electricity transaction within AEA community. In the first “P2P” stage, electricity is directly traded among AEAs via P2P price bidding. The model of P2P transaction is established, and the method of multi-dimensional willingness is adopted in price bidding. In the second “Plus” stage, the centralized coordination by distribution company (DisCo) is formulated as a constrained optimization problem, in which the objective is to maximize profit and the constraints are the basic rights of AEAs and line ratings of distribution network. A 30-bus test system including 29 AEAs and main grid is investigated. Numeric simulation results verify the effectiveness of the proposed models and methods regarding flow constraint. Comparative study reveals the economic motivations of AEAs to participate in P2P transaction, the efficiency of combined search, and the benefit of DisCo from pricing control.

Keywords: active energy agent (AEA); peer-to-peer (P2P) transaction; price bidding; distribution company (DisCo); distribution network constraint (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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