Low-Carbon Optimal Scheduling of Integrated Energy System Considering Multiple Uncertainties and Electricity–Heat Integrated Demand Response

Hongwei Li, Xingmin Li, Siyu Chen, Shuaibing Li (), Yongqiang Kang and Xiping Ma
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Hongwei Li: School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Xingmin Li: Baiyin Power Supply Company of State Grid Gansu Power Supply Company, Baiyin 730900, China
Siyu Chen: School of New Energy and Power Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Shuaibing Li: School of New Energy and Power Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Yongqiang Kang: School of New Energy and Power Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
Xiping Ma: Electric Power Research Institute of State Grid Gansu Electric Power Company, Lanzhou 730070, China

Energies, 2024, vol. 17, issue 1, 1-20

Abstract: To realize the low-carbon operation of integrated energy systems (IESs), this paper proposes a low-carbon optimal scheduling method. First of all, considering the integrated demand response of price-based electricity and heating, an economic scheduling model of the IES integrated demand response based on chance-constrained programming is proposed to minimize the integrated operating cost in an uncertain environment. Through the comprehensive demand response model, the impact of the demand response ratio on the operating economy of the IES is explored. Afterward, the carbon emission index is introduced, and gas turbines and energy storage devices are used as the actuators of multi-energy coupling to further explore the potential interactions between the coupling capacities of various heterogeneous energy sources and carbon emissions. Finally, the original uncertainty model is transformed into a mixed-integer linear-programming model and solved using sequence operation theory and the linearization method. The results show that the operating economy of the IES is improved by coordinating the uncertainty of the integrated demand response and renewable energy. In addition, the tradeoff between the working economy and reliability of the EIS can be balanced via the setting of an appropriate confidence level for the opportunity constraints.

Keywords: integrated energy system; demand response; opportunity constraint; distributed-energy-source uncertainties (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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