|Augmentation is realized by a special type of diffuser called AADV (Augmentation And Directioning Vanes)|
|AADV is also
capable of finding the correct direction of the wind streams.
Comparing with the DARRIEUS blades alone, the combination with AADV, inner DARRIEUS blades can able to produce more RPM and more power.
Augmentation effect can be realized with the combination of AADV blades (Augmentation And Directioning Vanes).