DeWind was an internationally active producer of wind power plants, originating in Germany.

[2] Already in the mid-1990s, the D4 was produced with active pitch regulation as well as a doubly fed induction generator.

According to DeWind, it is advantageous regarding the quality of fed-in electricity as well as regarding behaviour in case of grid failure.

Also, patents of the wind turbine producer GE Energy are not violated with this technology.

[4] The world's highest wind turbine of company DeWind is located in the Andes/Argentina to 4,100 metres (13,500 ft) above sea level.

This turbine has a new drive train concept with a special torque converter (WinDrive) of the company Voith and a synchronous generator.