Let me invite you to take part in joint endeavors in wind power.
By use my invention there is possibility to increase the productivity of the wind
farms by at least 15-20 % before they will achieve a rated power thanks to newly designed
blades. Each section of these blades has an additional impulse. The power coefficient Cp at this method is the nearest to the Betz' limit. As known from blade theory the more the airflow deflection behind an airfoil section the more the drawing force of wind turbine in whole. Leading edge slats installed at the roots of blades of horizontal - axis wind turbines allow to reach that. The additional impulses ensure to increase a number of rounds per time unit by wind turbine within speed-in and rated wind speed. After the rated power has been achieved, the rounds will be constant like at the prototype. For example, there is developed wind turbine with rated output power 100 kW at the appropriate wind speed of 13 m/s. Start up of this wind turbine is at 3 m/s. Straightening root area of blades (0-0 through X-X cross-sections), while the remainder zone is with its own relative twist angle. Do not forget to install slats within named section. What will we watch? First, start up of this turbine will be at lower wind speed compared to a prototype, at 2-2,5 m/s. Rated power of that wind turbine can be achieved already at the wind speed of 10 m/s, as it shown on
the applicable curve. This invention is working within named winds. That is enough I think, because not often the winds blow at which designed the prototype of wind turbine taken as example above.
This invention was filed on March, 1995 and published on February, 2000, bulletin 1.
Who could add this project into his busy schedule?
Proprietor of the patent #27062 of Ukraine “Rotor of Windmill”
Please, look at the attached figures once again. It seems, for the large scale wind turbines we can cut off the 2nd section of the blade and remain the 1st one (with the slat only). I mean the blades with the relative tip-to-root twist angle of 45º through 90º in the initial phase of the prototype. What is it for? There is possibility to use the shorter towers and blades compared to a prototype at the same output characteristics, for example.