Coordinated Control for Active and Reactive Power of PMSG-based Wind Turbine to Enhance the LVRT Capability

被引:0
|
作者
Dong, Shuhui [1 ]
Wang, Yi [1 ]
Li, Heming [1 ]
机构
[1] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing, Peoples R China
关键词
Control design; converter; permanent magnet synchronous generator (PMSG); voltage dip; low voltage ride-through (LVRT); wind turbine;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In order to enhance the low voltage ride-through (LVRT) and grid support capabilities of a multi-pole permanent magnet synchronous generator (PMSG) using full-scale frequency converter, this paper presents a coordinated control strategy for the active and reactive power output of the grid-side converter. When a voltage dip occurs in the grid, the generator-side converter of PMSG is used to rapidly regulate the active power output of the generator to eliminate the unbalanced power in the DC-link side and maintain a stable DC-link voltage, while the grid-side converter of PMSG is employed to realize a coordinated control for active and reactive power output according to the grid voltage change range. The simulation results implemented in Matlab/Simulink show that the proposed control strategy not only realizes the LVRT of PMSG but also provides a dynamic reactive power support to recover the grid voltage.
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页数:4
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