Characteristics of sub-synchronous interaction among D-PMSG-based wind turbines

The Journal of Engineering

Haishun Sun¹  Yuming Liu¹  Long Wang¹  Biyue Huang¹ 

[1] Huazhong University of Science and Technology;

关键词: permanent magnet generators;    wind turbines;    power grids;    power generation control;    wind power plants;    synchronous generators;    sub-synchronous interaction;    D-PMSG-based wind turbines;    wind energy conversion system;    WECS;    sub-synchronous oscillations phenomena;    direct-drive permanent magnetic synchronous generators;    wind farms;    SSO worldwide;    weak grid condition;    control parameters;    grid side converter;    proper mitigation method;    simulation result;    distinct interactions;    SSO mitigation control;   

DOI  :  10.1049/joe.2018.8572

来源: DOAJ

【 摘 要 】

With the development of wind energy conversion system (WECS), sub-synchronous oscillations (SSO) phenomena have occurred in direct-drive permanent magnetic synchronous generators (D-PMSGs)-based wind farms. There are several studies on the analysis of the SSO worldwide. However few researchers are concern about the interaction among D-PMSGs. Considering the interaction among D-PMSGs, especially in the weak grid condition, some researches are conducted in this study. The model of D-PMSG is shown firstly. Then the simulations are carried out to research the characteristics of interaction among D-PMSGs. Control parameters of grid side converter and wind turbine (WT) operating conditions are taken into consideration. At last, a proper mitigation method is introduced. Meanwhile, the impact of interaction among WTs on the effect of mitigation method is studied. The simulation result shows that there are distinct interactions among D-PMSGs. The interactions among D-PMSGs need to be considered when coordinating the SSO mitigation control among D-PMSGs.

【 授权许可】

Unknown