Tripale Darrieux

grabcad

Eolienne tripale Darrieux. Using 6384 120kv BLDC 3 phases motor as generator.NACA 0024 corrected for 822mm Diameter.Darrieux profil is a wing, same intrado/extrado, not a propeller. It have to take off like a plane, and run after at constant hight speed. It have no Betz limit as the propellers. It can go over the speed of sound (in theorie, because this desing generate intense centrifugal forces ..;(.The loading power is apply only onto the power factor (cos ø). exactly what is done with an ebike with speed regulator.So, with a sinus BLDC driver for this motor, with hall sensors,when it's over the take off speed, it produce power and adapt all wind speed changes like a MPPT driver... It can deliver and slow down at 4500Watt. But no more.So it have to be locked to don't turn in case of very high storms.Remember that the energy of the wind is not square of speed, but cube...;)