DOUBLE-LAYER OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM CONSIDERING AMMONIA ENERGY MULTIPLE UTILIZATION AND HYBRID ENERGY STORAGE

An Yuan; Li Yang; Zhao Tingyu; Feng Haotong

doi:10.19912/j.0254-0096.tynxb.2024-1542

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (6) : 89-98. DOI: 10.19912/j.0254-0096.tynxb.2024-1542

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

DOUBLE-LAYER OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM CONSIDERING AMMONIA ENERGY MULTIPLE UTILIZATION AND HYBRID ENERGY STORAGE

An Yuan, Li Yang, Zhao Tingyu, Feng Haotong

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Abstract

To maximize the consumption of renewable energy on the source side and better meet the demand on the load side, a bi-level optimal scheduling strategy is proposed for the multi-use pathways of power-to-ammonia and the capacity allocation of hybrid energy storage systems. In the upper level, the adaptive particle swarm optimization （APSO） algorithm is used to determine the optimal storage capacities with the objective of minimizing operational costs. In the lower level, to enhance system flexibility, gas turbine units with flexible heat-to-power ratios and ammonia fuel cells are introduced to address the limitation of adjustable power-to-heat output. Additionally, to reduce power generation costs, time-of-use electricity and gas prices, a demand response mechanism, and a tiered carbon trading scheme are incorporated. The objective is to minimize total system operating cost, and the model is solved using the CPLEX solver. Finally, comparative analysis of different scenarios demonstrates the proposed method's effectiveness in reducing carbon emissions, lowering operating costs, and improving wind and solar energy utilization.

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renewable energy / energy storage / integrated energy system / scheduling / power-to-ammonia / flexible heat-to-power ratio

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An Yuan, Li Yang, Zhao Tingyu, Feng Haotong. DOUBLE-LAYER OPTIMAL SCHEDULING OF INTEGRATED ENERGY SYSTEM CONSIDERING AMMONIA ENERGY MULTIPLE UTILIZATION AND HYBRID ENERGY STORAGE[J]. Acta Energiae Solaris Sinica. 2025, 46(6): 89-98 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1542

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