为有效应对气候变化与能源危机，早日实现碳达峰与碳中和目标，提出多源异质全可再生能源热电气储耦合系统，在供能侧实现100%全可再生能源。首先，构建了全可再生能源系统的物理架构，并对系统内典型设备进行建模；然后，以系统年总经济成本最小为目标函数，构建了可实现系统结构、设备配置与运行策略协同优化的混合整数线性规划模型；最后，通过具体算例分析，验证了所提优化模型的正确性和可行性，确立了所提出的多源异质全可再生能源热电气储耦合系统在降低碳排放、实现全额消纳可再生能源等方面的有效性。

In order to effectively cope with climate change and energy crisis,and achieve the goal of carbon peak and carbon neutrality early,a multisource heterogeneous allrenewable energy heatelectricitygas storage coupling system is proposed which achieves 100% allrenewable energy on the energy supply side.First,the physical structure of the allrenewable energy system is constructed,and the typical equipment in the system is modeled.Then,taking the minimum total annual economic cost of the system as the objective function,a mixed integer linear programming model that can realize the coordinated optimization of system structure,equipment configuration and operation strategy is constructed.Finally,through the analysis of specific examples,the correctness and feasibility of the proposed optimization model is verified,and the effectiveness of the proposed multisource heterogeneous allrenewable energy heatelectricitygas storage coupling system in reducing carbon emissions and realizing the full consumption of renewable energy is established.

TK761

国家重点研发计划(2018YFB1502900)；国家自然科学基金(71804106)；上海市科委重点研究项目(19DZ1205700)