附加碳税的综合能源系统优化调度分析

Analysis On Optimal Dispatching of Integrated Energy System With Additional Carbon Tax

针对节能减排的能源转型发展要求,构建了结合可再生能源以及储能装置的综合能源系统模型。引入碳税将CO_(2)排放的环境问题转换为经济成本问题并建立以经济成本最低为目标函数的优化模型。利用改进的猫群算法对碳税为50 CNY/t的综合能源系统冬夏两季典型日优化调度,对比传统的冷热电三联产(CCHP)系统,综合能源系统的CO_(2)排放在夏季是CCHP系统的48.93%,冬季为50.86%;节能率在夏季可达到36.33%,冬季能达到23.65%;与没有引入碳税的综合能源系统相比,冬夏两季典型日共减少了40.28%的CO_(2)排放。对不同碳税下减排效果与经济性的分析,现阶段采用中等的碳税水平(50 CNY/t)更为合理。

In response to the development requirements of the energy transition for energy conser-vation and emission reduction,a comprehensive energy system model combining renewable energy and energy storage devices has been constructed.The introduction of carbon tax converts the envi-ronmental problem of CO_(2) emissions into an economic cost problem and establishes an optimization model with the lowest economic cost as the objective function.The improved cat group algorithm is used to optimize the dispatch of typical days in the winter and summer of the integrated energy system with a carbon tax of 50 CNY/t.Compared with the traditional combined cooling,heating and power(CCHP)system,the CO_(2) emission of the integrated energy system is CCHP in summer 48.93%of the system and 50.86%in winter;the energy saving rate can reach 36.33%in summer and 23.65%in winter;compared with the integrated energy system without the introduction of carbon tax,a total of 40.28%of CO_(2) emissions are reduced in typical days in winter and summer.Based on the analysis of the emission reduction effects and economics under different carbon taxes it is more reasonable to adopt a medium carbon tax level(50 CNY/t)at this stage.