可再生能源2025，Vol.43Issue(7)：927-934,8.
风、光、火多能源电力系统的多形态振荡稳定性分析
Multimodal oscillation stability analysis of wind-photovoltaic-thermal multi-energy power systems
摘要
Abstract
The oscillation stability of wind-photovoltaic-thermal multi-energy power system is complex,with various types of oscillation modes caused by doubly-fed wind turbines and series compensated grids,direct-drive wind turbines and weak AC grids,as well as photovoltaic units and weak AC grids.To comprehensively and efficiently evaluate oscillation risks,a multimodal oscillation stability analysis method is proposed.Firstly,a reasonable evaluation scenario set of operation scenarios is selected from a large number of operating scenarios,covering various typical and boundary operation scenarios.Secondly,an impedance network model of the system is established under the evaluation scenario set,and the oscillation stability is analyzed and identified.Finally,electromagnetic transient simulations validate the effectiveness of the theoretical approach.Simulation results show that the proposed method can effectively evaluate the oscillation stability of wind-photovoltaic-thermal multi-energy power systems under a wide range of operating scenarios,identifying different oscillation modes.关键词
多能源电力系统/串联补偿/弱交流电网/振荡/阻抗网络模型Key words
multi-energy power system/series compensation/weak AC grid/oscillation/impedance network model分类
能源科技引用本文复制引用
彭茂兰,许诘翊,严喜林,谢小荣,冯雷,刘航,黄炟超..风、光、火多能源电力系统的多形态振荡稳定性分析[J].可再生能源,2025,43(7):927-934,8.基金项目
南方电网科技项目(CGYKJXM20220061) （CGYKJXM20220061）
国家杰出青年科学基金(51925701). （51925701）
