Abstract
In order to improve the utilization rate of wind and PV power, this paper proposes a dispatch model for IES with Wind-PV-Hydrogen storage system considering hydrogen energy storage conversion, methanation, and carbon capture. We add a hydrogen storage system in the IES to absorb the abandoned wind and solar energy to improve green power utilization; and use a methanation reactor to convert hydrogen into methane to improve the system's absorption capacity, while increasing the consideration of carbon. The captured gas turbines and gas boilers meet the electricity, heat and gas loads of the Regional Integrated Energy System (RIES). The total energy purchase cost, the minimum total operation and maintenance cost and the minimum amount of curtailment of wind and PV power are taken as the objective functions, and the stable operation characteristics of each equipment are taken as the constraint conditions. According to this, the economic dispatch model of RIES is established. The experimental results show that the RIES proposed in this paper has good economic efficiency and wind-solar absorption capacity.
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