RESEARCH ON A BI-LEVEL LOW-CARBON DISPATCH STRATEGY FOR POWER-CARBON COUPLING OF MULTI-MICROGRIDS AND DISTRIBUTION NETWORKS CONSIDERING COOPERATIVE GAMES

Wang Changgang; Zhang Xiangwei; Cao Yu; Liang Dong; Li Yang; Mo Jingshan

doi:10.19912/j.0254-0096.tynxb.2024-1606

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (6) : 32-48. DOI: 10.19912/j.0254-0096.tynxb.2024-1606

Special Topics of Academic Papers at the 27th Annual Meeting of the China Association for Science and Technology

RESEARCH ON A BI-LEVEL LOW-CARBON DISPATCH STRATEGY FOR POWER-CARBON COUPLING OF MULTI-MICROGRIDS AND DISTRIBUTION NETWORKS CONSIDERING COOPERATIVE GAMES

Wang Changgang^1,2, Zhang Xiangwei², Cao Yu^1,2, Liang Dong³, Li Yang^1,2, Mo Jingshan^1,2

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Abstract

To advance the achievement of dual carbon goals and fully utilize the low-carbon potential of the microgrid load side, this paper proposes a bi-level low-carbon dispatch strategy for the power-carbon coupling of multi-microgrid systems and distribution networks, considering cooperative game theory. Firstly, to consider the impact of energy storage charging and discharging on carbon emissions, a carbon emission model for storage systems is established, integrating carbon flow analysis into the demand response model on the load side of the microgrids. A bi-level dispatch model, considering node carbon potential, is constructed, where the upper-level model addresses optimal economic dispatch for the distribution network, and the lower-level model incorporates the interests of microgrid operators and users within integrated energy systems. A joint operation model is designed under a carbon trading mechanism based on node carbon potential, facilitating cooperation between multiple microgrid operators and an aggregator representing the interests of all microgrid users. Secondly, leveraging Nash bargaining theory, energy interactions and cooperative operations between microgrid operators and the load aggregator are achieved. After demonstrating that the Nash bargaining model can minimize operational costs, the problem is decomposed into two sub-problems and solved using the alternating direction multiplier method（ADMM）, achieving optimal low-carbon economic dispatch for the microgrid coalition. Finally, the model is applied to a modified IEEE 33-node system, and results demonstrate that the proposed approach effectively reallocates carbon emission responsibilities from the source side to the load side. It also accurately reflects the dynamics of competition and cooperation among stakeholders in the carbon trading market, enhancing both the low-carbon profile and economic efficiency of the system.

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multi-microgrid / energy storage / cooperative game / carbon trading / carbon emissions flow / power-carbon coupling / bi-level low-carbon dispatch

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Wang Changgang, Zhang Xiangwei, Cao Yu, Liang Dong, Li Yang, Mo Jingshan. RESEARCH ON A BI-LEVEL LOW-CARBON DISPATCH STRATEGY FOR POWER-CARBON COUPLING OF MULTI-MICROGRIDS AND DISTRIBUTION NETWORKS CONSIDERING COOPERATIVE GAMES[J]. Acta Energiae Solaris Sinica. 2025, 46(6): 32-48 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1606

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