考虑灵活性的新能源电网电-氢储能优化规划方法  

Optimal planning method for electric-hydrogen energy storage in new energy grid considering flexibility

作　　者：吉星 侯依昕 白坚实 张玫珊 蒋海玮 叶鹏[2] Ji Xing;Hou Yixin;Bai Jianshi;Zhang Meishan;Jiang Haiwei;Ye Peng(State Grid Liaoning Electric Power Co.,Ltd.Economic and Technological Research Institute,Shenyang 110000,China;Shenyang Institute of Technology,Shenyang 110136,China)

机构地区：[1]国网辽宁省电力有限公司经济技术研究院,辽宁沈阳110000 [2]沈阳工程学院,辽宁沈阳110136

出　　处：《可再生能源》2025年第1期107-114,共8页Renewable Energy Resources

基　　金：国网辽宁省电力有限公司管理科技项目(2022YF-59)。

摘　　要：针对新能源电网中新能源出力随机波动导致系统灵活性需求较大、灵活性供需失衡的问题,文章提出一种考虑灵活性的新能源电网电-氢储能鲁棒优化规划方法。首先,分析新能源电网内电-氢转换设施和电-氢储能设施运行特性,建立电-氢能量耦合模型;其次,分析电网引入电-氢储能后的灵活性需求与灵活性供给能力特性,建立考虑电-氢储能的新能源电网灵活性裕度指标;再次,以成本最小为目标,建立了考虑灵活性的新能源电网电-氢储能分布鲁棒优化规划模型;最后,通过IEEE 33节点系统进行算例仿真,验证了文章所提方法能够确定新能源电网电-氢储能的配置容量,提高新能源电网系统灵活性的调节能力。Aiming at the problem that the random fluctuation of new energy output in new energy power grid leads to the large demand for system flexibility and the imbalance between supply and demand of flexibility,this paper proposes a robust optimization planning method for electric-hydrogen energy storage in new energy power grid considering flexibility.Firstly,the operation characteristics of electro-hydrogen conversion facilities and electro-hydrogen energy storage facilities in the new energy grid are analyzed,and the electro-hydrogen energy coupling model is established.Secondly,the characteristics of flexibility demand and flexibility supply capacity after the introduction of electro-hydrogen energy storage are analyzed,and the flexibility margin index of new energy power grid considering electro-hydrogen energy storage is established.Then,with the goal of minimizing the cost,a robust optimization planning model for the distribution of electricity-hydrogen energy storage in new energy power grids considering flexibility is established.Finally,through the simulation of IEEE 33 node system,it is verified that the proposed method can determine the configuration capacity of electro-hydrogen energy storage in new energy power grid and improve the flexible adjustment ability of new energy power grid system.

关 键 词：灵活性 新能源电网 电储能 氢储能 鲁棒优化 

分 类 号：TK91[动力工程及工程热物理] TM72[电气工程—电力系统及自动化]