LVRT Scheme of PMSG Wind Power Systems Based on Feedback Linearization

被引:222
|
作者
Kim, Ki-Hong [1 ]
Jeung, Yoon-Cheul [2 ]
Lee, Dong-Choon [3 ]
Kim, Heung-Geun [4 ]
机构
[1] LG Elect Inc, Chang Won 641711, South Korea
[2] Yeungnam Univ, Dept Elect Engn, Gyongsan 712749, South Korea
[3] Yeungnam Univ, Dept Elect Engn, Gyeongbuk 712749, South Korea
[4] Kyungpook Natl Univ, Dept Elect Engn, Taegu 702701, South Korea
关键词
DC-link voltage; feedback linearization; permanent magnet synchronous generator (PMSG); ride-through; wind power; VOLTAGE RIDE-THROUGH; CONVERTER; GENERATOR; STATCOM; TURBINE;
D O I
10.1109/TPEL.2011.2171999
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
This paper proposes a low-voltage ride-through scheme for the permanent magnet synchronous generator (PMSG) wind power system at the grid voltage sag. The dc-link voltage is controlled by the generator-side converter instead of the grid-side converter (GSC). Considering the nonlinear relationship between the generator speed omega(m) and the dc-link voltage V-dc, a dc-link voltage controller is designed using a feedback linearization theory. The GSC controls the grid active power for a maximum power point tracking. The validity of this control algorithm has been verified by simulation and experimental results for a reduced-scale PMSG wind turbine simulator.
引用
收藏
页码:2376 / 2384
页数:9
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