RESEARCH ON MULTI-ENERGY MUTUAL SUPPORT OPTIMAL SCHEDULING MODEL OF MULTI-MICROGRID SYSTEM UNDER CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM

Jiang Chengyu; Shi Ruifeng; Ning Jin; Jia Limin

doi:10.19912/j.0254-0096.tynxb.2024-1812

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (2) : 334-344. DOI: 10.19912/j.0254-0096.tynxb.2024-1812

RESEARCH ON MULTI-ENERGY MUTUAL SUPPORT OPTIMAL SCHEDULING MODEL OF MULTI-MICROGRID SYSTEM UNDER CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM

Jiang Chengyu¹, Shi Ruifeng^1,2, Ning Jin¹, Jia Limin³

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Abstract

To enhance the utilization rate of renewable energy in microgrid systems and achieve reductions in both wind and solar curtailment as well as carbon emissions through energy interconnection among multiple microgrids, this paper proposes a low-carbon optimal scheduling model for a multi-microgrid system that integrates regional thermal and electrical networks, incorporating a carbon-green certificate trading mechanism. Firstly, the mathematical model of microgrids in the context of electrical-thermal coupled multi-microgrid interconnection scenarios is systematically analyzed. Then, based on the introduction of the carbon-green certificate trading mechanism, a planning model for the electrical-thermal coupled multi-microgrid interconnection system is developed, with the objective of minimizing the overall system cost. An optimization strategy using the mixed-integer programming method solved by the CPLEX solver is proposed. Finally, the model’s effectiveness is validated through a case study of a typical scenario in western China. The research findings demonstrate that the proposed model can effectively enhance the renewable energy absorption capacity of the multi-microgrid system, reduce carbon emissions, and achieve optimal overall system economic performance.

Key words

microgrids / carbon trading / energy mutual support / green certificate trading / heat network model / optimized scheduling

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Jiang Chengyu, Shi Ruifeng, Ning Jin, Jia Limin. RESEARCH ON MULTI-ENERGY MUTUAL SUPPORT OPTIMAL SCHEDULING MODEL OF MULTI-MICROGRID SYSTEM UNDER CARBON-GREEN CERTIFICATE JOINT TRADING MECHANISM[J]. Acta Energiae Solaris Sinica. 2026, 47(2): 334-344 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1812

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