青海大学能源与电气工程学院,青海 西宁 810016
韩爱明(2001—),男,硕士研究生,研究方向为压缩空气储能系统,E-mail:YS240858080516@qhu.edu.cn;
陈晓弢,教授,研究方研究方向为新型储能技术、综合能源系统优化调度,E-mail:chenxiaotao@qhu.edu.cn。
收稿:2026-04-15,
修回:2026-05-09,
网络首发:2026-05-14,
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针对现有虚拟电厂在热电协同调度方面的欠缺导致的运行成本与碳排放高等问题,本文提出了含先进绝热压缩空气储能系统(AA-CAES)的虚拟电厂热电协同调度模型,通过挖掘其“储能—产热—用热”的闭环耦合特性,旨在降低系统的运行成本与碳排放。模型以光伏、风电、微型燃气轮机、蓄电池、储热罐与AA-CAES为核心设备,构建电-热-气多能流协同框架,详细刻画压缩储能过程中热回收与放热需求的交互约束,并以系统运行总成本与碳排放量最小化为双目标。选取青海某地工业园区典型日数据为算例,设置有无AA-CAES的对比场景,采用增广ε-约束与熵权-TOPSIS贯序决策算法分别求解出有无先进绝热压缩空气储能的虚拟电厂模型对应的总成本与碳排放的双重最优解进行对比。结果表明,配置AA-CAES后,最优折中方案在总成本降低5.1%、购电成本优化5.0%的同时实现碳排放下降15.8%,夜间弃风电量得到全额消纳,燃气轮机供热高峰负荷占比大幅下降,实现了经济性与低碳性的协同提升,为青海工业型虚拟电厂的高效低碳调度提供理论与工程参考。
Addressing the deficiencies in existing virtual power plants regarding coordinated heat-power dispatch
which lead to high operational costs and carbon emissions
this paper proposes a coordinated heat-power dispatch model for virtual power plants incorporating an advanced adiabatic compressed air energy storage (AA-CAES) system. By exploring the closed-loop coupling characteristics of "energy storage–heat production–heat utilization
" the model aims to reduce system operational costs and carbon emissions. The model takes photovoltaic systems
wind turbines
micro gas turbines
batteries
thermal storage tanks
and AA-CAES as core components
establishing an electricity-heat-gas multi-energy flow coordination framework. It elaborately characterizes the interactive constraints between heat recovery and heat release demand during the compression energy storage process and adopts the minimization of total operational cost and carbon emissions as dual objectives. Using typical daily data from an industrial park in Qinghai Province as a case study
comparative scenarios with and without AA-CAES are established. The augmented ε-constraint method combined with the entropy-weighted TOPSIS sequential decision-making algorithm is employed to derive the dual-optimal solutions for total cost and carbon emissions in VPP models with and without AA-CAES
respectively
for comparison. The results indicate that after configuring AA-CAES
the optimal compromise solution achieves a 5.1% reduction in total cost and a 5.0% optimization in electricity purchase cost
while carbon emissions decrease by 15.8%. Nighttime curtailed wind power is fully absorbed
and the share of gas turbine peak heating load decreases significantly
achieving a synergistic improvement in both economic efficiency and low-carbon performance. This provides theoretical and engineering references for the efficient and low-carbon dispatch of industrial virtual power plants in Qinghai.
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