OPTIMAL OPERATION OF BI-LEVEL MICROGRID WITH LOW CARBON ECONOMY CONSIDERING DYNAMIC PRICING MECHANISM

Zhang Zhongbin; Zhao Zhihua; Wang Ping; Zhai Pan

doi:10.19912/j.0254-0096.tynxb.2024-1292

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (11) : 532-541. DOI: 10.19912/j.0254-0096.tynxb.2024-1292

OPTIMAL OPERATION OF BI-LEVEL MICROGRID WITH LOW CARBON ECONOMY CONSIDERING DYNAMIC PRICING MECHANISM

Zhang Zhongbin¹, Zhao Zhihua², Wang Ping¹, Zhai Pan¹

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Abstract

Focusing on the coordination of interests between the energy side and the load side in microgrids, this paper proposes a dynamic energy pricing mechanism that incorporates carbon emissions and demand response characteristics. Firstly, a dynamic pricing model considering carbon emissions as well as the demand response of electrical and thermal loads is established, and a combined operational mode of wind-solar power generation and carbon capture is put forward. Secondly, a bi-level optimization model involving multiple stakeholders is constructed, where the upper level consists of microgrid energy operators and the lower level includes load aggregators and electric vehicle charging stations. Subsequently, to address the issue of searching for the optimal solution in the bi-level model, a joint optimal discrimination mechanism for the bi-level model is introduced. Finally, the CPLEX solver is employed to iteratively solve the microgrid bi-level optimization model, and the case study results verify the effectiveness of the proposed dynamic energy pricing method and the combined wind-solar power generation-carbon capture operation mode in enhancing the economic efficiency and low-carbon performance of the microgrid system.

Key words

microgrid / electric vehicles / demand response / dynamic pricing / bi-level optimization / carbon trading

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Zhang Zhongbin, Zhao Zhihua, Wang Ping, Zhai Pan. OPTIMAL OPERATION OF BI-LEVEL MICROGRID WITH LOW CARBON ECONOMY CONSIDERING DYNAMIC PRICING MECHANISM[J]. Acta Energiae Solaris Sinica. 2025, 46(11): 532-541 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1292

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