考虑能量转换效率的新能源场站一体化氢储能系统能量管理策略  

Energy Management Strategy for Integrated Hydrogen Storage System in New Energy Stations Considering Energy Conversion Efficiency

作　　者：刘德顺 毛睿 陈来军[1,2] 苏小玲 LIU Deshun;MAO Rui;CHEN Laijun;SU Xiaoling(Key Laboratory of Smart Operation of New Energy Power System,Ministry of Education,Qinghai University,Xining 810016,China;Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]青海大学新能源电力系统智慧运行教育部重点实验室,西宁810016 [2]清华大学电机工程与应用电子技术系,北京100084

出　　处：《内蒙古电力技术》2025年第1期11-17,共7页Inner Mongolia Electric Power

基　　金：国网青海省电力公司科技项目“主动电压支撑型储能电站多机并联系统稳定性分析及协同控制技术研究”(522807230004)。

摘　　要：从电解槽输入和氢燃料电池输出变化工况出发,研究考虑新能源出力波动特征的站内一体化氢储能系统能量管理策略。首先建立含电解槽、储氢罐及氢燃料电池的新能源场站一体化氢储能系统架构,根据氢电能量转换机理建立电解槽电压模型、储氢罐模型以及燃料电池模型;其次,分析氢燃料电池的能斯特电动势及反应过程的电化学损耗对燃料电池的输出电压和能量转换效率的影响,形成以氢储能系统最优为目标,考虑电解槽、储氢罐、氢燃料电池运行约束的新能源场站氢储能系统能量管理策略;最后,基于MATLAB软件建立仿真模型,验证了新能源场站氢储能架构的可行性及能源管理系统的正确性。Based on the changing conditions of the input of the electrolyzer and the output of the hydrogen fuel cell,the energy management strategy of the integrated hydrogen energy storage system in the station considering the fluctuation characteristics of new energy output is studied.Firstly,the integrated hydrogen energy storage system architecture of new energy station including electrolyzer,hydrogen storage tank and hydrogen fuel cell is established.The voltage model of electrolyzer,hydrogen storage tank model and fuel cell model are established according to the mechanism of hydrogen⁃electric energy conversion.Secondly,the influence of Nernst electromotive force of hydrogen fuel cell and electrochemical loss of reaction process on the output voltage and energy conversion efficiency of the fuel cell is analyzed,and the energy management strategy of hydrogen energy storage system of new energy station is formed,which aims at optimizing the hydrogen energy storage system and considers the operation constraints of electrolyzer,hydrogen storage tank and hydrogen fuel cell.Finally,a simulation model is established based on MATLAB software to verify the feasibility of the hydrogen energy storage architecture and the correctness of the energy management system.

关 键 词：新能源场站 能量转换效率 燃料电池 氢储能系统 

分 类 号：TM61[电气工程—电力系统及自动化] TK91[动力工程及工程热物理]