An Optimal Automatic Generation Control Strategy for Interconnected Power Grid with Wind Power

被引：0
|
作者：
Weng, Yixuan [1 ]
Deng, Changhong [1 ]
Chen, Lei [1 ]
机构：
[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Peoples R China
来源：
ENERGY DEVELOPMENT, PTS 1-4 | 2014年 / 860-863卷
关键词：
wind power; interconnected power grid; optimal dynamic feedback control; automatic generation control (AGC);
D O I：
10.4028/www.scientific.net/AMR.860-863.2017
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：
As the continuous increase of wind power installed capacity in modern grid, its inherent randomness and fluctuation may cause a series of problems to power system frequency control. Since the dynamic characteristics of traditional automatic generation control (AGC) based on PI control cannot fully and effectively meet the interconnected power grid's requirements for load frequency control. In this paper, a strategy based optimal control theory is proposed, and a new dynamic cost function is also presented. Compared to the conventional PI control method, the proposed strategy has better dynamic adaptability to interconnected power system with wind generation, and the optimal coordination among control areas can be realized more easily. Take the two-area interconnected power system with wind power model as an example, the simulation is carried out based on MATLAB/SIMULINK. The simulation results show that the control strategy can obviously suppress the fluctuation of system frequency and tie-line power, and its effectiveness is confirmed.
引用
收藏
页码：2017 / 2022
页数：6
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