为实现综合能源系统中氢能的多元化利用,构建考虑燃气机组动态掺氢和灵活碳捕集耦合电转气的含氢多能耦合综合能源系统;并基于碳捕集、碳交易和需求响应提出源荷协同降碳策略,充分挖掘系统的低碳经济性。首先,建立燃气机组掺氢和灵活碳捕集等模型,构建以氢能为核心的多能耦合模型;其次,构建荷侧需求响应模型实现电热负荷的“削峰填谷”,并结合阶梯碳交易机制和碳捕集设备实现源荷协同降碳,进一步挖掘系统的低碳潜能;最后,以经济性最优为目标,建立优化调度模型。通过设置不同情景进行对比,验证所提优化调度模型可有效提升可再生能源消纳水平,实现源荷协同互补,提高系统的低碳、经济效益。
Abstract
To achieve diversified utilization of hydrogen in the integrated energy system, a hydrogen-based multi-energy coupling integrated energy system, considering dynamic hydrogen blending in gas turbine units and flexible carbon capture coupled with power-to-gas technology, has been developed. Based on carbon capture, carbon trading, and demand response, a source-load coordinated carbon reduction strategy is proposed to fully explore the system’s low-carbon economic potential. Firstly, models for hydrogen blending in gas turbines and flexible carbon capture are developed, forming a multi-energy coupling model centered on hydrogen energy. Secondly, a load-side demand response model is constructed to achieve peak shaving and valley filling of electric-thermal loads. This is combined with a tiered carbon trading mechanism and carbon capture equipment to achieve source-load coordinated carbon reduction, further exploiting the system’s low-carbon potential. Finally, an optimization scheduling model is established with the objective of minimizing the total operational costs of the system. By comparing various scenarios for comparison, the proposed optimization scheduling model is demonstrated to effectively improve the renewable energy integration, realize source-load complementary coordination, and enhance the system’s low-carbon and economic benefits.
关键词
氢能 /
碳捕集 /
综合能源系统 /
需求响应 /
碳交易 /
低碳 /
源荷互补
Key words
hydrogen /
carbon capture /
integrated energy system /
demand response /
carbon trading /
low-carbon /
multi-source and load complementation
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基金
河南省科技攻关项目（222102240072）
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