Electricity and heat sharing strategy of regional comprehensive energy multi-microgrid based on double-layer game

Kaoshe Zhang, Congchong Gao, Gang Zhang, Tuo Xie and Hua Li

Energy, 2024, vol. 293, issue C

Abstract: An efficient and reliable multi-microgrid energy mutual aid strategy helps to improve energy utilization efficiency. This paper proposes a two-layer game electrothermal energy sharing strategy for a regional integrated multi-microgrid. First, a distribution network operator (DNO) and an integrated energy microgrid cluster (IEMC) are established. The two-layer game model of DNO and IEMC nests the cooperative game within the horizontal IEMC in the vertical master-slave game between DNO and IEMC. Then, for the integrated energy micro-grid (Integrated energy micro-grid, IEM), a coupled operation framework of cogeneration-power-to-gas-carbon capture is established, combined with a ladder carbon trading mechanism to reduce system carbon emissions, and the IEM is described with opportunity constraints—the uncertainty of new energy output. Secondly, aiming at the game fraud phenomenon in the IEMC internal cooperation game, an intermediary transaction mode is proposed to achieve the fraud equilibrium of each IEM and ensure effective energy cooperation. Finally, the dichotomy method is used to solve the master-slave game between DNO and IEMC, and the alternating direction multiplier method is used to solve the cooperative game within IEMC, which realizes the coordinated operation of DNO and IEMC and the fair energy transaction and benefit distribution between IEMC.

Keywords: Integrated energy microgrid; Master-slave game; Cooperative game; Carbon trading; Trading model (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:293:y:2024:i:c:s0360544224004274

DOI: 10.1016/j.energy.2024.130655

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