It is presented an applied brief study concerning the possibility for optimal obtaining an electrical power of 1 MW for a mean wind energy flux of 0.7 kW/m2 (a wind speed of 10.5m/s), using a high performance modern three-blade wind turbine having dimensional limits like the Danish wind turbine V63-1.5 MW (for wind speed ), equi-power and equi-speed, using the NACA-23015 lift airfoil. The optimisation is presented by an original analytical relation between wind speed, lift surface area and the proposed power that minimise the fluid energy loss and the axial push force, assuring the maximum mechanic-electric conversion.