STATCOM-Based SSCI Mitigation Algorithm for DFIG-Based Wind Farms

被引：0

作者：

Wang, Yuzhi ^{[1
]}

Wang, Chunhua ^{[2
]}

Liu, Zhijun ^{[2
]}

Song, Xiaozhe ^{[2
]}

Wang, Liang ^{[3
]}

Jiang, Qirong ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China

[2] State Grid Jilin Elect Power Co Ltd, Changchun, Jilin, Peoples R China

[3] Beijing Inst Technol, Sch Automat, Beijing, Peoples R China

来源：

2018 IEEE INTERNATIONAL POWER ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2018年

关键词：

doubly-fed induction generator (DFIG); series compensation; subsynchronous control interaction (SSCI); static synchronous compensator (STATCOM); supplementary damping controller (SDC); SSR;

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：

Subsynchronous control interactions (SSCIs) between DFIG-based wind farms and series compensated transmission system have been observed worldwide in recent years, which may lead to generator trip-off and device damage. Many previous studies focus on the suppression of SSCI by flexible AC Transmission System (FACTS) devices. This paper proposes a new static synchronous compensator (STATCOM)-based SSCI mitigation algorithm to increase the stability margin of wind farms. Admittance model of STATCOM with Supplementary Damping Controller (SDC) is derived and it is proved that the controller provides extra damping to the system. Relationships between the controller parameters of the SDC and the damping performance are discussed and the results are validated by simulations with PSCAD/EMTDC. Finally, the impacts of a three-phase fault close to the wind farm is investigated and the resonance can also be alleviated by the SDC under this situation.

引用

页码：1006 / 1010

页数：5

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