Study on the Subsynchronous Resonance Control Method Based on the DFIG Grid-Side Converter

被引:0
|
作者
Yin, M. X. [1 ,2 ]
Liu, H. [1 ,3 ]
Li, Y. H. [1 ,3 ]
Song, W. [2 ]
机构
[1] North China Elect Power Res Inst Co Ltd, State Grid Jibei Elect Power Res Inst, Beijing 100045, Peoples R China
[2] North China Elect Power Univ, Dept Elect & Elect Engn, Baoding, Peoples R China
[3] Grid Connected Opeart Technol Wind Solar Storage, Beijing 100045, Peoples R China
关键词
D O I
10.1088/1755-1315/192/1/012001
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
DFIG-based series-compensated can increase the capacity of wind power transmission, but it can also cause the sub-synchronous resonance (SSR) problem. Based on the mechanism of subsynchronous resonance in DFIG, the electromagnetic torque variation under the variation of rotor speed can be divided into two parts, i.e. rotor torque variation and stator torque variation. Supplementary controller is added to the stator side converter, which is generated to provide positive damping. MATLAB simulation is carried out to compare the result of supplementary damping. Results show that supplementary damping controller makes DFIG keep stable under various rotor speeds and RSC inner-loop gain.
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页数:8
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