考虑两阶段P2G-CCS耦合和源-荷协同优化的电-热-气-氢-储综合能源系统低碳运行研究

邓丹; 吕游; 时一钧; 李泽洋; 季湛洋; 刘吉臻

doi:10.19912/j.0254-0096.tynxb.2024-0927

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (10) : 390-402. DOI: 10.19912/j.0254-0096.tynxb.2024-0927

考虑两阶段P2G-CCS耦合和源-荷协同优化的电-热-气-氢-储综合能源系统低碳运行研究

邓丹^1,2, 吕游^1,2, 时一钧², 李泽洋², 季湛洋^1,2, 刘吉臻^1,2

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RESEARCH ON LOW-CARBON OPERATION OF INTEGRATED ENERGY SYSTEMS CONSIDERING TWO-STAGE P2G-CCS COUPLING AND SOURCE-LOAD COORDINATION OPTIMIZATION

Deng Dan^1,2, Lyu You^1,2, Shi Yijun², Li Zeyang², Ji Zhanyang^1,2, Liu Jizhen^1,2

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摘要

为解决多种能源下源侧能量供给耦合转换和荷侧用能需求转移替代的协同优化问题,该文在阶梯碳交易机制和多能需求响应条件下提出电-热-气-氢-储系统源-荷协同优化调度模型。首先,源侧基于能量流模型构建灵活响应机制,设计热电比可调的氢能联产系统,通过电-氢-气多阶段转化实现分层能量优化,提升多能协同效率;其次,荷侧考虑柔性负荷特性,在阶梯碳交易机制下建立时空二维多能需求响应模型。最后,基于Frank-SJC-Copula处理不确定性后得到新能源出力及多能负荷曲线,以系统总运行成本最低为目标建立日前调度模型,在分时电价与气价基础上通过算例验证多场景、多能源配置下调度可行性,结果表明该文所提电-热-气-氢-储协同优化模型可有效优化系统低碳性与经济性并促进新能源消纳。

Abstract

To solve the collaborative optimization problem of source-side energy supply coupling conversion and load-side energy demand transfer substitution under various energy sources, this paper proposes a source-load collaborative optimal scheduling model for an electricity-heat-gas-hydrogen-storage system under a tiered carbon trading mechanism and multi-energy demand response conditions. Firstly, based on the energy flow model, a flexible response model is proposed on the source side, constructing a hydrogen-mixed combined heat and power unit model with an adjustable heat-to-power ratio, and utilizing a two-stage power-to-gas process for dual-layer energy optimization. Secondly, on the load side, considering the characteristics of flexible loads, a spatio-temporal two-dimensional multi-energy demand response model is established under a tiered carbon trading mechanism. Finally, by handling uncertainties using the Frank-SJC-Copula, renewable energy output and multi-energy load forecasting curves are obtained. A day-ahead scheduling model is established with the objective of minimizing the total operating cost of the system, and the feasibility of scheduling under multiple scenarios and multi-energy configurations is verified through case studies based on time-of-use electricity and gas prices. The results show that the proposed electricity-heat-gas-hydrogen-storage collaborative optimization model can effectively optimize the system’s low-carbon and economic performance and reduce wind and solar curtailment.

导出引用

邓丹, 吕游, 时一钧, 李泽洋, 季湛洋, 刘吉臻. 考虑两阶段P2G-CCS耦合和源-荷协同优化的电-热-气-氢-储综合能源系统低碳运行研究[J]. 太阳能学报. 2025, 46(10): 390-402 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0927

Deng Dan, Lyu You, Shi Yijun, Li Zeyang, Ji Zhanyang, Liu Jizhen. RESEARCH ON LOW-CARBON OPERATION OF INTEGRATED ENERGY SYSTEMS CONSIDERING TWO-STAGE P2G-CCS COUPLING AND SOURCE-LOAD COORDINATION OPTIMIZATION[J]. Acta Energiae Solaris Sinica. 2025, 46(10): 390-402 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0927

中图分类号： TK513.5

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