Research on Oscillation Suppression Strategy for Grid-forming Power Systems Considering Wind-Energy Storage Coordination

被引：0
|
作者：
Zhan, Rongrong [1 ]
Liu, Longhao [1 ]
Huang, Sunhua [2 ]
Xiong, Linyun [3 ]
Zhou, Yang [4 ]
Ban, Changyu [3 ]
Wang, Luwei [2 ]
机构：
[1] China Elect Power Res Inst, Natl Key Lab Power Grid Safety, Beijing, Peoples R China
[2] Shanghai Univ, Sch Mechatron Engn & Automat, Shanghai, Peoples R China
[3] Chongqing Univ, Sch Elect Engn, Chongqing, Peoples R China
[4] Changsha Univ Sci & Technol, Sch Elect & Informat Engn, Changsha, Peoples R China
来源：
2024 IEEE 2ND INTERNATIONAL CONFERENCE ON POWER SCIENCE AND TECHNOLOGY, ICPST 2024 | 2024年
关键词：
Grid-forming; Wind-energy storage power system; VSG; FOPTSMC; Oscillation suppression;
D O I：
10.1109/ICPST61417.2024.10602285
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper addresses the oscillation problem in a wind-energy storage grid-forming power system and proposes a fractional-order predefined time sliding mode control (FOPTSMC) additional damping method with coordinated wind-energy storage consideration. Firstly, the dynamic models of the energy storage state of charge (SoC) and the grid-forming inverter based on VSG are established. Then, considering the coordinated operation between wind and energy storages, bidirectional droop control based on SoC weighting coefficients is employed to achieve SoC balance, and PI control is taken to guarantee DC voltage stability, respectively. Finally, FOPTSMC is proposed to suppress system oscillations, and the stability of the proposed control method is verified using the Lyapunov function. Simulation results validate the effectiveness of the proposed control method.
引用
收藏
页码：1712 / 1717
页数：6
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