Design of Wide Area Additional Damping Controller for Doubly Fed Wind Farms Considering Time Delays

被引：0
|
作者：
Ma Y. [1 ]
Huo Y. [1 ]
Li X. [1 ]
Zheng L. [1 ]
Zhao S. [1 ]
机构：
[1] School of Electrical and Electronic Engineering, North China Electric Power University, Baoding
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2020年 / 35卷 / 01期
关键词：
Active disturbance rejection control; Doubly fed wind farm; Low frequency oscillation; Smith predictor; Time-delay system;
D O I：
10.19595/j.cnki.1000-6753.tces.181746
中图分类号：
学科分类号：
摘要：
A wide-area additional damping controller for doubly-fed wind farms based on Smith predictor-active disturbance rejection control (SP-ADRC) is proposed to solve the time-delay problem of wide-area additional damping control of wind farms in interconnected power grids. The real-time estimation of uncertain time-delay is realized by using fading memory recursive least squares method. On this basis, the influence of time-delay on closed-loop control in power system is reduced by using Smith predictor. It overcomes the defect that the control effect of traditional ADRC controller becomes worse in time-delay system, and retains the advantages of active estimation and compensation for uncertainties of ADRC. Finally, a new England 10-generator 39-bus system with wind farms is tested. The simulation results show that the proposed wide-area additional damping controller can effectively suppress the low-frequency oscillation. © 2020, Electrical Technology Press Co. Ltd. All right reserved.
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页码：158 / 166
页数：8
相关论文
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