An novel oscillation suppression strategy for permanent magnetic synchronous generator based on grid-forming control

被引:0
作者
Ren, Bixing [1 ,2 ]
Li, Qiang [1 ,2 ]
Zou, Xiaoming [1 ,2 ]
Wang, Chenggen [1 ,2 ]
Jia, Yongyong [1 ,2 ]
机构
[1] Jiangsu Elect Power Test Res Inst Co Ltd, 1 Paweier Rd, Nanjing 211103, Peoples R China
[2] State Grid Jiangsu Elect Power Co Ltd, Res Inst, 1 Paweier Rd, Nanjing 211103, Peoples R China
关键词
Gird -forming control; Small -signal modelling; Stability analysis; Oscillation suppression; Characteristic root; PHASE-LOCKED-LOOP; INVERTERS; CONVERTERS; STABILITY;
D O I
10.1016/j.egyr.2024.02.021
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
With the increase of permeability of renewable energy and power electronic equipment, the inertia and damping parameters of the direct-drive wind turbine based on grid-forming control have a large impact on the system stability, and the system oscillation will be triggered when the parameters are not set properly. In this paper, the problem is addressed by establishing the small-signal model of two permanent magnetic synchronous generators connected to the grid in detail, analyzing the influence of the active control parameters on the system stability through the root locus of the dominant characteristic root, and proposing the adaptive control of damping and inertia to suppress the system oscillations. Finally, a real-time simulation platform for grid-connected wind turbine systems was built, and the experimental results verify the correctness of the small-signal modelling for stability analysis of grid-forming wind turbines established in this paper.
引用
收藏
页码:3163 / 3170
页数:8
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