高压电器2025，Vol.61Issue(5)：72-79,92,9.DOI:10.13296/j.1001-1609.hva.2025.05.008
考虑动态频率响应的孤岛微电网日前—日内两阶段高分辨率优化调度
High Resolution Optimal Dispatch of Island Microgrid Considering Dynamic Frequency Response and High Resolution in the Day-ahead and Intra-day Stages
摘要
Abstract
The microgrid with high proportion of new energy penetration has such characteristics as low inertia and weak dynamic frequency response ability of system.The frequency of the microgrid in island operation mode is more vulnerable to fluctuation.As for the frequency stability issue of the microgrid,the dynamic frequency response model is added to the optimal dispatch,and the system frequency security constraints are derived to improve the system fre-quency modulation capability.The dispatch model with dynamic frequency response constraints has such characteris-tics as multi-constraint,nonlinearity and high dimensionality.In the existing research the influence of linearization of the dispatch model is ignored.Based on this,the intra-day high-resolution discrete strategy is introduced into the day-ahead and intra-day two-stage optimal dispatch model of island microgrid considering dynamic frequency re-sponse.On the basis of day-ahead optimal dispatch,the high-resolution which can better fit the net load output curve of the system is selected for intra-day optimal dispatch and the day-ahead dispatch plan is corrected.Finally,the cal-culation simulation is performed and the simulation results show that the method can effectively improve the frequen-cy modulation capability of the island microgrid and reasonably arrange the dispatch plan.关键词
孤岛微电网/动态频率响应/高分辨率/优化调度Key words
island microgrid/dynamic frequency response/high resolution/optimal dispatch引用本文复制引用
张磊,陈轩妮,叶婧,郭志豪..考虑动态频率响应的孤岛微电网日前—日内两阶段高分辨率优化调度[J].高压电器,2025,61(5):72-79,92,9.基金项目
国家自然科学基金资助项目(62233006).Project Supported by National Natural Science Foundation of China(62233006). （62233006）
