综合智慧能源2025，Vol.47Issue(10)：45-51,7.DOI:10.3969/j.issn.2097-0706.2025.10.005
基于二次EMD分解的风电场混合储能系统配置优化
Configuration optimization of hybrid energy storage systems in wind farms based on secondary EMD
摘要
Abstract
Wind-power-based new power systems have become the new development trend in pursuit of"dual carbon"goals.As wind power is volatile and intermittent,its grid connection may compromise the safety and reliability of the power grid.Hybrid energy storage systems(HESS)can mitigate the wind power fluctuation,making their optimal configuration and task allocation critical.This study constructed a HESS combining supercapacitors and lithium-ion batteries:low-frequency power was directly grid-connected,while the remaining power was stored.The middle-frequency component was stored in lithium batteries and high-frequency component was stored in supercapacitors.Grid-connected wind power and HESS storage power were quantified via empirical mode decomposition(EMD).The latter was further decomposed and reconstructed through secondary EMD,allocating the operational tasks between supercapacitors and lithium batteries.This approach reduces the difficulty in HESS capacity configuration and improves wind power absorption capacity.Compared to traditional solutions,the proposed approach reduces investment and maintenance costs by approximately 5.3%,while enhancing system operational stability under extreme conditions.关键词
"双碳"目标/新型电力系统/风电场/混合储能系统/超级电容器/锂电池/经验模态分解/容量配置Key words
"dual carbon"goal/new power system/wind farm/hybrid energy storage system/supercapacitor/lithium battery/empirical mode decomposition/capacity configuration分类
能源科技引用本文复制引用
张凯,王金袖,杨雪峰,王强,肖盛忠,李鹏,孙成武..基于二次EMD分解的风电场混合储能系统配置优化[J].综合智慧能源,2025,47(10):45-51,7.基金项目
中国华电集团有限公司科技项目(CHDKJ23-02-292) Science and Technology Project of China Huadian Corporation Limited(CHDKJ23-02-292) （CHDKJ23-02-292）
