浙江电力2024，Vol.43Issue(6)：52-60,9.DOI:10.19585/j.zjdl.202406006
风储系统中储能虚拟惯量评估与频率支撑技术
A virtual inertia assessment and frequency support technology for wind-storage power generation system
摘要
Abstract
In high-penetration wind power generation systems,accurately assessing the support potential for virtual inertia of energy storage and fully releasing its energy reserves to render the systems active in grid frequency regula-tion are crucial for ensuring the systems'frequency safety and stability.To achieve this,a dynamic frequency re-sponse model for wind-storage power generation systems to calculate the system's time of safe frequency rise and fall and the extreme values of frequency deviation.Next,considering the constraints on the safe operating condition of the state of charge(SOC)during energy storage,the virtual inertia of energy storage during the time of safe fre-quency rise and fall is quantitatively evaluated.Moreover,an active frequency support technology for energy storage based on fixed-frequency control is introduced,aiming to fully exploit the frequency support capability of energy storage during the frequency drop and recovery periods.Finally,a simulation model of high-penetration wind power generation systems is constructed for validation.Under the proposed control strategy,energy storage can provide ef-fective inertia support and offer sustained frequency response,thereby significantly enhancing the systems'fre-quency stability.关键词
储能/风力发电/频率响应/虚拟惯量/荷电状态Key words
energy storage/wind power generation/frequency response/virtual inertia/SOC引用本文复制引用
杨黎,兰怡希,林玲,陈晴悦,王鹏,邵孜建..风储系统中储能虚拟惯量评估与频率支撑技术[J].浙江电力,2024,43(6):52-60,9.基金项目
国网浙江省电力有限公司科技项目(5211JY23000A) （5211JY23000A）
