US Patent Issued to Wobben Properties on March 25 for "Method for controlling the rotor speed of a wind turbine" (German, Indian Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,940, issued on March 25, was assigned to Wobben Properties GmbH (Aurich, Germany).

"Method for controlling the rotor speed of a wind turbine" was invented by Johannes Frommann (Hamburg, Germany), Enno von Aswege (GroBefehn, Germany), Ulf Schaper (Staffhorst, Germany) and Gnanasekaran Rengaraj (Tamil Nadu, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for controlling a rotor speed of a rotor of a wind turbine at rated or curtailed operation conditions the rotor being an aerodynamic rotor having one or a plurality of rotor blades, and the wind turbine further having a tower and a generator wherein a pitch control provides a pitch angle ...