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随着电力行业的深化改革，火力发电具有良好的发展前景，它具有结构灵活、施工时间短等特点，但是对大气和环保造成了严重的影响。与此同时，在减少二氧化碳排放量的前提下，应针对不同时期的出力情况，需要进行火力发电优化。为此，提出了考虑碳排放时空演变特征的火力发电时序协调优化模型。计算碳排放时空演变特征，在考虑碳排放时空演变特征的基础上，将火力发电时碳排放量最小化和火力发电厂利润最大化作为目标函数，设置火力发电机组总发电负荷、某时间输出功率和爬坡约束条件，建立了火力发电时序协调优化模型，利用交互式极大极小的逐步宽容约束方法，对其进行了求解，以达到对火力发电的协同最优控制。实验结果表明，所提方法的火力发电时序协调优化效果较好，能够有效控制火力发电时碳排放量。

With the deepening reform of the power industry, thermal power generation has a good prospect for development. It has the characteristics of flexible structure and short construction time, but it causes serious impact on the atmosphere and environmental protection. At the same time, under the premise of reducing carbon dioxide emissions, thermal power generation should be rationally optimized according to the output situation in different periods. Therefore, a sequential coordination optimization model for thermal power generation considering the spatio-temporal evolution of carbon emissions is proposed. The temporal and spatial evolution characteristics of carbon emissions are calculated. Based on the consideration of temporal and spatial evolution characteristics of carbon emissions, the carbon emission minimization in thermal power generation and the profit maximization of thermal power plants are taken as objective functions, and the total generation load, output power at a certain time and slope constraint conditions of thermal power generation units are set up to establish the sequential coordination optimization model of thermal power generation. Using the interactive minimax step-by-step tolerance constraint method, it is solved to achieve the cooperative optimal control of thermal power generation. The experimental results show that the proposed method has a good effect on timing coordination optimization of thermal power generation, and can effectively control carbon emissions in thermal power generation.