TY - JFULL AU - R.K. Behera and S.Behera PY - 2011/9/ TI - Design, Simulation and Experimental Realization of Nonlinear Controller for GSC of DFIG System T2 - International Journal of Energy and Power Engineering SP - 1089 EP - 1097 VL - 5 SN - 1307-6892 UR - https://publications.waset.org/pdf/6045 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 56, 2011 N2 - In a wind power generator using doubly fed induction generator (DFIG), the three-phase pulse width modulation (PWM) voltage source converter (VSC) is used as grid side converter (GSC) and rotor side converter (RSC). The standard linear control laws proposed for GSC provides not only instablity against comparatively large-signal disturbances, but also the problem of stability due to uncertainty of load and variations in parameters. In this paper, a nonlinear controller is designed for grid side converter (GSC) of a DFIG for wind power application. The nonlinear controller is designed based on the input-output feedback linearization control method. The resulting closed-loop system ensures a sufficient stability region, make robust to variations in circuit parameters and also exhibits good transient response. Computer simulations and experimental results are presented to confirm the effectiveness of the proposed control strategy. ER -