Overview and Prospect of Key Technologies of Peer-to-Peer Energy Trading in Micro-Grid Under Power-Sales-Side Market Liberalization

doi:10.3969/j.issn.1000-7229.2019.01.014

Abstract

Abstract: The gradual opening of the power-sales-side market liberalization and the development of distributed energy resources （DER） have brought opportunities and challenges to the operation of the micro-grid. Peer to peer （P2P） energy trading can optimize the energy structure， give full play to the advantages of distributed generation， and improve the efficiency of energy systems. This paper takes the P2P energy trading system of micro-grids as the research object. Considering Chinas existing power reform policies， three key issues need to be resolved at the steady-state level： how to optimize the transmission of distributed energy flow and how to establish an efficient communication system， and how to solve the problem of user payment involved by P2P energy trading process.From the perspective of energy flow， information flow and money flow， the solution to the correlation analysis of the P2P trading system in the micro-grid is described. From the engineering point of view， the P2P energy trading process in the micro-grid under the new situation is analyzed. The key equipment and core software platforms have provided some suggestions for promoting the marketization and landing of distributed power generation in China.

Key words: sales side reform, micro-grid, energy trading, game theory, peer-to-peer（P2P）, blockchain

CLC Number:

TM 73

WANG Dan， SU Pengfei， GUI Xun， LIU Bo， WANG Weiliang， MA Xiran. Overview and Prospect of Key Technologies of Peer-to-Peer Energy Trading in Micro-Grid Under Power-Sales-Side Market Liberalization[J]. Electric Power Construction, 2019, 40(1): 112-122.

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