A Decomposition and Optimization Method for Government-Authorized Contracts in a Dual-track Spot Electricity Market Based on Game Equilibrium

doi:10.11930/j.issn.1004-9649.202303130

Abstract

Abstract: In the electricity spot market, the curve decomposition method of government authorization contracts has significant impacts on the funds scale of the market and the interests of participants. Hence it is becoming urgent to solve the decomposition of the government-authorized contracts in a reasonable way. According to the actual requirements of the electricity spot pilot project, this paper first takes into full consideration the correlation between the scale of unbalanced funds, the decomposition results of the government-authorized contracts, the quotation strategy of the power generation entities and the results of market clearing. Based on game equilibrium, a decomposition and optimization method for government-authorized contracts in a dual-track spot electricity market is constructed. Then, the government-authorized contract decomposition model to constraint the unbalanced funds scale, the quotation decision model of power generation companies considering the decomposition results of the government-authorized contracts, and the market clearing model are established respectively. A three-layer particle swarm optimization algorithm is proposed to achieve iterative corrections between different models, such that the contract decomposition results that balance the individual and the overall interests of the market are obtained. Finally, case studies are conducted and analyzed by means of numerical simulations . The effect of the proposed method on reducing the unbalanced funds scale in the market is verified under the interactions of various factors and game equilibrium.

Key words: government-authorized contract, dual track, unbalanced funds, quotation strategy, game equilibrium

WU Mingxing, WANG Ning, WANG Haohao, ZHU Tao, CHEN Qing, WANG Xuanding, YANG Saite. A Decomposition and Optimization Method for Government-Authorized Contracts in a Dual-track Spot Electricity Market Based on Game Equilibrium[J]. Electric Power, 2023, 56(9): 15-26.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202303130

https://www.electricpower.com.cn/EN/Y2023/V56/I9/15

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