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作 者:陈胜[1] 陈明健 卫志农[1] 周亦洲 韩海腾 孙国强[1] CHEN Sheng;CHEN Mingjian;WEI Zhinong;ZHOU Yizhou;HAN Haiteng;SUN Guoqiang(School of Electrical and Power Engineering,Hohai University,Nanjing 211100,Jiangsu Province,China)
机构地区:[1]河海大学电气与动力工程学院,江苏省南京市211100
出 处:《电网技术》2024年第11期4473-4481,I0017-I0019,I0015,共13页Power System Technology
基 金:国家自然科学基金项目(52377091);中国科协青年人才托举工程项目(2021QNRC001)。
摘 要:随着电制氢技术的逐步成熟,利用新能源制氢与管道输氢有望为能源系统的深度脱碳提供重要支撑。该文提出了电-氢耦合综合能源系统机组组合模型,考虑了发电机组与电解制氢系统协同提供灵活运行备用。首先通过高斯混合模型得到新能源预测误差分布,获取其95%置信区间,确定新能源电力系统灵活备用需求;其次提出了考虑灵活备用的电-氢混联综合能源系统机组组合模型,计及了电解制氢系统三状态(开机、关机、热备用)灵活运行模型;算例分析验证了所提电制氢三状态机组组合模型的有效性,分析了新能源渗透率对制氢量与节点电价的影响。With the gradual maturity of electric power-to-hydrogen technology,hydrogen production from renewable energy sources and hydrogen transmission through pipelines are expected to support the deep decarbonization of different energy sectors.This article proposes a unit commitment model for the electric-hydrogen-integrated energy system,in which the flexible operational reserve is provided by both power generators and power to hydrogen facilities.First,the forecasting error distribution of renewable power generation is obtained using the Gaussian Mixture model.Based on this,the 95%confidence interval is obtained,and the flexible reserve demand required to accommodate intermittent renewables is determined.Second,a unit combination model for the electric-hydrogen-integrated energy system that accounts for flexible reserve is proposed.Specifically,this model includes a three-state(on,off,and standby)flexible operating model of power-to-hydrogen facilities.Numerical results validate the effectiveness of the proposed unit commitment model that considers the three-state operation of power-to-hydrogen facilities.Additionally,the impact of renewable energy penetration level on hydrogen production and nodal power prices is analyzed.
关 键 词:电-氢混联综合能源系统 绿氢 机组组合 灵活性挖掘
分 类 号:TM721[电气工程—电力系统及自动化]
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