A Novel Fault-Tolerant DFIG-Based Wind Energy Conversion System for Seamless Operation During Grid Faults

被引：52
|
作者：
Kanjiya, Parag [1 ]
Ambati, Bharath Babu [1 ]
Khadkikar, Vinod [1 ]
机构：
[1] Masdar Inst Sci & Technol, Inst Ctr Energy, Abu Dhabi, U Arab Emirates
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2014年 / 29卷 / 03期
关键词：
Doubly fed induction generator (DFIG); grid faults; neutral side converter; seamless fault ride-through (seamless FRT); unbalance; wind turbine (WT); FED INDUCTION GENERATOR; RIDE-THROUGH;
D O I：
10.1109/TPWRS.2013.2290047
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：
A novel fault-tolerant configuration of doubly fed induction generator (DFIG) for wind energy conversion systems (WECSs) is proposed in this paper for the seamless operation during all kinds of grid faults. The proposed configuration is developed by replacing the traditional six-switch grid-side converter (GSC) of DFIG with a nine-switch converter. With the additional three switches, the nine-switch converter can provide six independent output terminals. One set of three output terminals are connected to the grid through interfacing inductors to realize normal GSC operation while, the other set of three output terminals are connected to neutral side of the stator windings to provide fault ride-through (FRT) capability to the DFIG. An appropriate control algorithm is developed for the proposed configuration that: 1) achieves seamless fault ride-through during any kind of grid faults and 2) strictly satisfies new grid codes requirements. The effectiveness of the proposed configuration in riding through different kind of faults is evaluated through detailed simulation studies on a 1.5-MW WECS.
引用
收藏
页码：1296 / 1305
页数：10
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