Fig. 6

After being linked to the grid with changeable wind speed, the dual-rotor machine performed as follows: (a) considered wind speed; (b) rotational speed; (c) torque; and (d) power.

After being linked to the grid with changeable wind speed, the dual-rotor machine performed as follows: (a) considered wind speed; (b) rotational speed; (c) torque; and (d) power.