Voltage Control Strategy for Large-Scale Wind Farm with Rapid Wind Speed Fluctuation

被引:0
|
作者
Cai, Xi [1 ]
Yang, Zhangbin [1 ]
Liu, Pan [1 ]
Lian, Xueguang [1 ]
Li, Zhuang [2 ]
Zhu, Guorong [2 ]
Geng, Hua [3 ]
机构
[1] China Three Gorges Construct Engn Corp, Chengdu 610095, Peoples R China
[2] Wuhan Univ Technol, Sch Automat, Wuhan 430070, Peoples R China
[3] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China
关键词
wind farm; local reactive power regulation; voltage stability; local voltage observation;
D O I
10.3390/en17092220
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
In large-scale wind farms, the voltage fluctuations caused by the uncertainty of wind speed at the turbine terminals pose a pressing challenge. This article presents a localized voltage control strategy tailored toward rapid adjustments in turbine terminal voltage in wind turbine generators. Based on relative voltage observation, this strategy achieves voltage coordination between the high and low ends of the transformer in wind turbine generators. Firstly, the overall structure of the wind farm and the characteristics of terminal voltage are analyzed. Secondly, the principles and feasibility of the relative voltage control strategy are examined. Finally, the effectiveness of the proposed control strategy is validated through simulation results from a specific wind farm. The results demonstrate its capability to achieve a fast and stable voltage dynamic response within the wind farm based on local information, thus mitigating the risk of voltage out of limit.
引用
收藏
页数:11
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