• Tran Thi Ngoat Hung Yen University of Technology and Education
  • Do Tuan Khanh Hung Yen University of Technology and Education
  • Le Ngoc Giang Air Defence - Air Force Academy
  • Pham Minh Hoi Air Defence - Air Force Academy
Keywords: : Doubly fed induction generator (DFIG), Rotor side converter (RSC), Grid side converter (GSC), improved control, DC - link voltage ripple


This paper presents a new control strategy to reduce the fluctuation of DC bus voltage for a back-to-back PWM converter in a DFIG wind turbine systems. DC-link voltage Feed-forward compensation control strategy for DFIG’s RSC and GSC converter is proposed to limit the fluctuation range of the dc-link voltage. The dynamic performances of the DFIG are compared with the traditional control method. Furthermore, the capabilities of keeping the dc-link voltage stable are also compared in the ride-through control of DFIG during a three-phase grid fault, by using a developed 2 MW DFIG wind power system model. The simulation results have shown that the proposed control strategy is more effective, and the fluctuation of the dc-link voltage may be successfully limited in a grid fault .


Pena R, Clare JC, Asher GM. Doubly fed induction generator using back-to-back PWM converters

and its application to variable speed wind energy generation [J]. IEE ProcElectr Power, May 1996,

(3): 231-241.

Naggar H. Saad, Ahmed A. Sattar, Abd El-Aziz M. Mansour. Low voltage ride through of doublyfed induction generator connected to the grid using sliding mode control strategy [J]. Renewable

Energy, 2015, 80: 583-594.

Liu Xuejing, Zhu Dan, Song Fei, et al. Research on high voltage ride through technology of wind

turbines [J]. renewable energy, 2013, 31 (11): 34-38.

Wei Lan, Chen Guocheng, Song Xiaoliang, et al. A control strategy for the low voltage ride through

of a doubly fed induction generator [J]. Journal of electrical engineering, 2010, 25 (9): 170-175.

H. Abouobaida, M. Cherkaoui. Modeling and Control of Doubly Fed Induction (DFIG) Wind

energy conversion system [J]. Journal of Electrical Engineering, 2014, 14(2).

Le Ngoc Giang. An improved control algorithm of DFIG Wind Turbine and application to the power

system.PhD thesis, Wuhan University, 2015.

How to Cite
Tran Thi Ngoat, Do Tuan Khanh, Le Ngoc Giang, & Pham Minh Hoi. (2017). A NEW TECHNIQUE FORTHE DFIG’s RSC AND GSC CONVERTERSTO REJECT DC LINK VOLTAGE RIPPLE. UTEHY Journal of Science and Technology, 12, 56-61. Retrieved from http://tapchi.utehy.edu.vn/index.php/jst/article/view/235