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作 者:张佳鑫 彭勇刚[1] 孙静 ZHANG Jiaxin;PENG Yonggang;SUN Jing(College of Electrical Engineering,Zhejiang University,Hangzhou 310057,Zhejiang Province,China)
机构地区:[1]浙江大学电气工程学院,浙江省杭州市310057
出 处:《发电技术》2025年第2期252-262,共11页Power Generation Technology
基 金:国家重点研发计划项目(2020YFB1506801);国家自然科学基金项目(51877188)。
摘 要:【目的】氢能作为具有高能量密度和零碳排放的清洁能源,是未来能源系统的重要组成部分。针对园区氢电耦合系统(hydrogen-electric coupling system,HECS),提出了考虑负荷需求响应和阶梯碳交易的两阶段鲁棒优化调度模型。【方法】首先,构建含风光发电机组、备用发电机组、储能系统以及氢电转换设备的园区氢电耦合系统。然后,将需求响应和阶梯碳交易引入到模型中,以系统购能成本、运维成本和碳排放成本之和最小为目标,构建该系统的确定性优化模型。最后,将源荷自适应不确定集整合到确定性优化模型中,以消除源荷不确定性对调度结果的影响,形成两阶段鲁棒优化模型,利用主从框架对该模型进行重构,采用列和约束生成法进行求解。【结果】在源荷不确定系数为12和6的情况下,可调占比为0.5以下的需求响应负荷可以降低系统1.6%的运营成本,阶梯碳交易的引入可以减少604.9 kg的碳排放量。【结论】所提模型可以提高园区HECS的抗风险能力,需求响应和阶梯式碳交易的引入可以保证园区HECS的经济性和低碳性运行。[Objectives]Hydrogen energy,as a clean energy source with high energy density and zero carbon emissions,is an important component of future energy systems.For park-level hydrogen-electric coupling systems(HECS),a two-stage robust optimization scheduling model that considers demand response and tiered carbon trading is proposed.[Methods]First,a parklevel HECS is established,consisting of wind and solar power generation units,backup generation units,energy storage systems,and hydrogen-electric conversion devices.Then,demand response and tiered carbon trading are integrated into the model,aiming to minimize the total costs of system energy procurement,operation and maintenance,and carbon emissions,thereby establishing a deterministic optimization model for the system.Finally,a sourceload uncertainty set is incorporated into the deterministic optimization model to mitigate the effect of source-load uncertainty on scheduling results,forming a two-stage robust optimization model.This model is re-established using a masterslave framework and solved using the column-and-constraint generation method.[Results]With source-load uncertainty coefficients of 12 and 6,demand response loads with an adjustable ratio below 0.5 can reduce the system's operating costs by 1.6%.The introduction of tiered carbon trading can reduce carbon emissions by 604.9 kg.[Conclusions]The proposed model can improve the risk resilience of park-level HECS,and the integration of demand response and tiered carbon trading can ensure the economic and low-carbon operation of HECS.
关 键 词:氢能 双碳 氢电耦合系统(HECS) 两阶段鲁棒优化 阶梯式碳交易 不确定性 需求响应
分 类 号:TK01[动力工程及工程热物理] TM92[电气工程—电力电子与电力传动]
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