Combined Heat and Power Low-carbon Economic Dispatch Considering Carbon Trading and Demand Response
DOI:
https://doi.org/10.54097/ajst.v2i1.900Keywords:
Combined heat and power generation, Carbon transaction cost, Demand response, Carbon emissions.Abstract
To address the problems of "thermoelectric conflict" and abandoned wind power during winter heating, a low-carbon economic dispatch model for combined heat and power that takes into account carbon trading costs and price-based demand response is proposed, while electric boilers and heat storage devices are introduced to decouple the coupling limits of thermoelectricity to study the impact of different operation modes on optimal dispatch. Carbon trading costs are considered in the system to limit carbon emissions, and the user-side demand response is used to enhance the peak regulation capability of the grid and optimise the load curve, effectively cutting the peak-to-valley difference in load and providing space for wind power to go online. Finally, the CPLEX solver is used for solving and simulation analysis is carried out based on the improved IEEE-30 node system. The results show that the wind power consumption is increased by 83.72% and carbon emissions are reduced by 2211t under the scheduling method of this paper, which verifies the reliability of the scheduling model.
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