MULTI-OBJECTIVE OPTIMIZATION AND IMPROVED SUBJECTIVE-OBJECTIVE EVALUATION FOR REGIONAL INTEGRATED ENERGY SYSTEMS

Han Zhonghe; Zhao Xin; Yang Shiming; Li Rui

doi:10.19912/j.0254-0096.tynxb.2023-1168

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (12) : 606-616. DOI: 10.19912/j.0254-0096.tynxb.2023-1168

MULTI-OBJECTIVE OPTIMIZATION AND IMPROVED SUBJECTIVE-OBJECTIVE EVALUATION FOR REGIONAL INTEGRATED ENERGY SYSTEMS

Han Zhonghe^1,2, Zhao Xin^1,2, Yang Shiming^1,2, Li Rui^1,2

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Abstract

Taking the regional integrated energy system as the research object, the study firstly conducts an optimization strategy analysis. Then, a multi-objective optimization is carried out, specifically targeting energy efficiency, economy, and environment. Subsequently, using an improved BWM method （HWBM） combined with the entropy weight method, an objective-subjective weight evaluation system is established, leading to the determination of an optimal system configuration and operational planning. Findings reveal that the design strategy effectively addresses the multi-energy coordination issue. Compared to the traditional combined cooling, heating, and power system, the optimal system achieves a 14.9% reduction in fossil fuel consumption, 8.9% in annual investment costs, 4.7% in energy costs per degree, 14.9% in carbon emissions, and 18.1% in water consumption. The outcomes emphasize the notable advantages in energy, economy, and environmental protection.

Key words

regional integrated energy systems / multi-objective optimization / hesitant evaluation / subjective and objective weighting method

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Han Zhonghe, Zhao Xin, Yang Shiming, Li Rui. MULTI-OBJECTIVE OPTIMIZATION AND IMPROVED SUBJECTIVE-OBJECTIVE EVALUATION FOR REGIONAL INTEGRATED ENERGY SYSTEMS[J]. Acta Energiae Solaris Sinica. 2024, 45(12): 606-616 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1168

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