LOW-CARBON ECONOMIC OPERATION OF INTEGRATED  ENERGY SYSTEM CONSIDERING OFF-DESIGN CHARACTERISTICS OF UNITS

Jing Yanjun; Li Jiling; Wang Haixin; Yang Junyou; Chen Zhe; Dong He&#x02019;nan

doi:10.19912/j.0254-0096.tynxb.2024-0529

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 596-605. DOI: 10.19912/j.0254-0096.tynxb.2024-0529

LOW-CARBON ECONOMIC OPERATION OF INTEGRATED ENERGY SYSTEM CONSIDERING OFF-DESIGN CHARACTERISTICS OF UNITS

Jing Yanjun¹, Li Jiling¹, Wang Haixin¹, Yang Junyou¹, Chen Zhe², Dong He’nan³

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Abstract

The off-design characteristics of units in integrated energy systems （IES） leads to errors in the solution results. A low-carbon economic operation method of IES is proposed, which combines off-design characteristics of units and a ladder carbon-green certificate trading mechanism. Based on an energy hub （EH） model, a hybrid energy hub （HEH） model considering off-design characteristics of units is established to describe multi-energy coupling relationships of the IES and enhance the modeling precision of IES during different working conditions. A ladder carbon-green certificate trading mechanism is introduced to effectively couple the carbon and the green certificate market. Meanwhile, the objective function of IES is proposed by minimizing total operation cost considering the economy and low carbon emissions, and numerous simulations verify the effectiveness of the proposed model. Compared with only considering off-design characteristics of units, the total operation cost of proposed system in this paper is retuced by 11.87% under the ladder carbon-green certificate trading mechanism proposed in this paper, which can realize the economic operation of IES.

Key words

energy conversion efficiency / carbon trading / integrated energy system / low-carbon economy / green certificate trading mechanism

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Jing Yanjun, Li Jiling, Wang Haixin, Yang Junyou, Chen Zhe, Dong He’nan. LOW-CARBON ECONOMIC OPERATION OF INTEGRATED ENERGY SYSTEM CONSIDERING OFF-DESIGN CHARACTERISTICS OF UNITS[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 596-605 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0529

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