Computer Science ›› 2022, Vol. 49 ›› Issue (6A): 771-776.doi: 10.11896/jsjkx.210600241

• Interdiscipline & Application • Previous Articles     Next Articles

Study on Optimal Scheduling of Power Blockchain System for Consensus Transaction ofEach Unit

ZHOU Hang1,2, JIANG He1,2, ZHAO Yan1,2, XIE Xiang-peng3   

  1. 1 School of Renewable Energy,Shenyang Institute of Engineering,Shenyang 110136,China
    2 Key Laboratory of Regional Multi-energy System Integration and Control of Liaoning Province,Shenyang 110136,China
    3 Institute of Advanced Technology,Nanjing University of Posts and Telecommunications,Nanjing 210003,China
  • Online:2022-06-10 Published:2022-06-08
  • About author:ZHOU Hang,born in 1998,postgra-duate.His main research interests include blockchain and economic dispatch of power systems.
    JIANG He,born in 1991,Ph.D.His main research interests include blockchain and reinforcement learning.
  • Supported by:
    Doctoral Scientific Research Foundation of Liaoning Province(2020-BS-181),Excellent Youth Foundation of National Natural Science Foundation of China (62022044),Liaoning Revitalization Talents Program (XLYC1907138) and Key R & D Program of Liaoning Province(2020JH2/10300101).

Abstract: With the deepening of coupling of cold and heat electricity,distributed generation,medium-sized generators and their associated loads are gradually integrated into the grid.It brings new challenges to power grid operation.In order to solve the mutual trust problem between medium-sized users and large power grids,promote the local consumption of renewable energy and the coordinated complementarity of distributed energy,firstly,for the problems of opaque links in transactions between medium-sized users and large power grids,the consensus trading architecture between third-party operators and distributed multi-energy units is established by applying the consensus and mutual trust mechanism of blockchain.Secondly,the objective function is constructed based on the benefit cost of the operator and the operating cost of the distributed multi-energy units at different stages.The objective function is used to construct a mathematical model of its reasonable operation.Then,based on the encrypted broadcast mechanism of blockchain technologies,a consensus trading strategy for operators and distributed multi-energy units is proposed.It ensures that each unit achieves the operational objectives of mutual trust,multi-energy coordinated complementary and local consumption of renewable energy through the integration of operators.Finally,experimental simulation results verify the effectiveness and feasibility of the proposed model and method.

Key words: Blockchain, Consensus transaction, Energy complementarity, New energy accommodation

CLC Number: 

  • TP309
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