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以低碳电力为背景,提出了能够体现碳减排因素的备用市场竞价模型及该模型下碳捕集电厂捕集水平风险决策方法。建立了能够计及容量事故随机性的机组备用弹性需求曲线,然后根据外部性内在化理论,将边际碳排放成本内置到机组备用报价中,以得到的边际综合成本作为竞价依据,从而计及和区分机组碳排放特性差异,并采用供给与需求方法获取最优备用点。基于上述模型,分析碳捕集电厂的备用竞价优势,区分其收益与成本的风险性质差别,并从风险管理的角度优化CO2捕集水平决策。仿真结果表明该竞价模型可以从社会角度实现备用的优化配置,对于碳捕集电厂而言,其捕集水平过高或过低均不合适,而应存在最优值。
In the background of low-carbon electricity, a reserve bidding model that can reflect the carbon emission reduction factors and a decision-making method of the capture level risk of the carbon capture power plant under the model are proposed. Based on the internalization theory of externality, the marginal carbon emission cost is built into the stand reserve quotation of the unit, and the marginal comprehensive cost obtained is used as the bidding basis, so that the sum of Differentiate the carbon emission characteristics of the unit, and use the supply and demand methods to obtain the optimal backup point. Based on the above model, this paper analyzes the advantages of reserve bidding for carbon capture plants and differentiates the risk nature of their returns and costs, and optimizes the decision of CO2 capture level from the perspective of risk management. The simulation results show that the bidding model can be configured optimally from a social standpoint. However, it is not suitable for carbon capture plants to capture at high or low levels, but should be optimal.