Low-Carbon Economic Optimal Dispatch for Integrated Electricity and Natural Gas System with Integrated Demand Response and Carbon Capture

Résumé fourni par la source

Replacing fossil fuels with renewable energy sources (RES) is the critical path to achieve the dual-carbon goal. However, the random fluctuations and uncertainties of RES force the requirement for more flexible resources to maintain the source-load balance. Therefore, a low-carbon economic optimal dispatch for integrated electricity and natural gas system (IEGS) is proposed in this paper, considering the load-side regulation and carbon reduction potential. First, we established the electricity and natural gas distribution network model based on second-order cone relaxation approach. Then, a multi-energy hub is proposed to implement integrated demand response (IDR), including load transfer, load reduction, and load substitution. Finally, we take the minimizing operation costs to coordinate the distribution networks and loads, supporting RES utilization and carbon emission reduction. Simulation results on a modified IEEE33-Belgium20 test system demonstrate the superiority of the proposed method in operational economy.

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