Synchronization of dfig output voltage to utility grid in wind power system

被引：0
|
作者：
Abo-Khalil, Ahmed G. [1 ]
Lee, Dong-Choon [1 ]
Ryu, Seung-Pyo [1 ]
机构：
[1] Yeungnam Univ, Dept Elect Engn, 214-1 Daedong, Gyongsan, Gyeongbuk, South Korea
来源：
PROCEEDINGS OF THE SIXTH IASTED INTERNATIONAL CONFERENCE ON EUROPEAN POWER AND ENERGY SYSTEMS | 2006年
关键词：
wind power generation; DFIG; synchronization; grid utility;
D O I：
暂无
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：
This paper presents a new synchronization algorithm for grid connection of a doubly fed induction generator (DFIG) in a variable speed wind generation system. Stator flux-oriented vector control with back-to-back PWM converters in the DFIG rotor circuit is used for synchronization process. By controlling the rotor d-axis current, the magnitude of the stator EW is adjusted to be equal to the grid voltage. PLL circuit is used to compensate for the phase shift between the stator EMF and the grid voltage. By controlling the turbine pitch angle, the generator speed is determined to adjust the stator frequency to be equal to the grid. Simulation results using PSCAD show a smooth synchronization and fast dynamic responses.
引用
收藏
页码：372 / +
页数：2
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