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

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 bas...

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Published in:Energies (Basel) 2024-01, Vol.17 (1), p.245
Main Authors: Li, Hongwei, Li, Xingmin, Chen, Siyu, Li, Shuaibing, Kang, Yongqiang, Ma, Xiping
Format: Article
Language:English
Subjects:
Alternative energy sources
Analysis
Carbon
demand response
Demand side management
distributed-energy-source uncertainties
Elasticity of demand
Electricity
Electricity distribution
Energy consumption
Energy resources
Energy storage
Gas turbines
integrated energy system
opportunity constraint
Optimization
Scheduling
Thermal energy
Turbines
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Summary: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.
ISSN:1996-1073
1996-1073
DOI:10.3390/en17010245