ROBUST OPTIMIZATION OF MULTI-MICROGRID SYSTEMS IN CCHP REGIONS CONSIDERING SELF-BUILT SHARED ENERGY STORAGE STATION

Yu Jianwu; Bao Shiyuan; Li Shan; Wu Honglin; Li Haixiao

doi:10.19912/j.0254-0096.tynxb.2023-1477

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (1) : 503-513. DOI: 10.19912/j.0254-0096.tynxb.2023-1477

ROBUST OPTIMIZATION OF MULTI-MICROGRID SYSTEMS IN CCHP REGIONS CONSIDERING SELF-BUILT SHARED ENERGY STORAGE STATION

Yu Jianwu¹, Bao Shiyuan^1,2, Li Shan^1,2, Wu Honglin¹, Li Haixiao^1,2

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Abstract

In a local distribution network area, multiple combined cooling, heating, and power (CCHP) microgrids are integrated, exhibiting uncertainties in generation and load, as well as the disorder and complementarity in energy storage scheduling. Adopting robust optimization and a shared energy storage model helps enhance the system's risk resistance and improve the utilization efficiency of storage capacity. Therefore, a robust optimization model considering source-load uncertainties and cooperative scheduling of self-built and shared energy storage plants in multiple microgrids is proposed for a regional multi-microgrid system with combined cooling, heating and power supply. This robust optimization scheduling model includes two-stage decision-making process, aiming to provide a optimal scheduling scheme for self-built shared energy storage power station capacity planning and multi-microgrid system operations, taking into account the impact of source-load uncertainties and power interaction exchange between regional microgrids. The goal is to minimize the overall operational costs of the regional multi-microgrid system and the initial investment costs of self-built shared energy storage stations. The simulation results demonstrate the effectiveness of the proposed model.

Key words

microgrid / energy storage / robustness / combined cooling,heating and power / interactive power

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Yu Jianwu, Bao Shiyuan, Li Shan, Wu Honglin, Li Haixiao. ROBUST OPTIMIZATION OF MULTI-MICROGRID SYSTEMS IN CCHP REGIONS CONSIDERING SELF-BUILT SHARED ENERGY STORAGE STATION[J]. Acta Energiae Solaris Sinica. 2025, 46(1): 503-513 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1477

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