A new approach for low voltage ride through capability in DFIG based wind farm

被引：39

作者：

Dosoglu, M. Kenan ^{[1
]}

机构：

[1] Duzce Univ, Fac Technol, Elect Elect Engn Dept, TR-81620 Konuralp, Duzce, Turkey

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2016年 / 83卷

关键词：

DFIG; DCC; Stator-rotor electromotive force; Transient stability; FED INDUCTION GENERATOR; FAULT RIDE; CONTROL STRATEGY; ENHANCED CONTROL; TURBINES; SYSTEM; PERFORMANCE; CONVERTER; DYNAMICS; SPEED;

D O I：

10.1016/j.ijepes.2016.04.027

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：

Protection against voltage dips is very important for transient stability in a Doubly Fed Induction Generator (DFIG). Conventional crowbar circuits have been used for protection of DFIGs; however, they may be insufficient in some transient situations. Therefore, the Low Voltage Ride Through (LVRT) capability was enhanced by a Demagnetization Current Controller (DCC) for the purpose of transient analysis. In addition, both stator and rotor circuit electromotive forces were modeled in a DFIG. The performances of the DFIG models with and without the DCC were compared. Modeling was carried out in a MATLAB/SIMULINK environment. A comparison of system behaviors was made between three-phase faults with and without a stator-rotor dynamic. Parameters for the DFIG including output voltage, speed, electrical torque variations and d-q axis rotor-stator current variations in addition to a 34.5 kV bus voltage were examined. It was found that in the DFIG model the system became stable in a short time when using the DCC. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：251 / 258

页数：8

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