Research Article

Power Control of a Grid-Connected Doubly Fed Induction Generator Using H∞ Control and Kalman Filter

Figure 14

The simulation results when the rotor speed is 0.9  pu and the values of stator and rotor resistances and mutual inductance have increased by 25% above their rated values. (a) Grid current, (b) rotor side converter current, and (c) grid active and reactive power.
(a)
(b)
(c)