The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2024
Filed:
Mar. 09, 2020
Applicant:
Siemens Gamesa Renewable Energy A/s, Brande, DK;
Inventors:
Assignee:
SIEMENS GAMESA RENEWABLE ENERGY A/S, Brande, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
F03D 7/0244 (2013.01); F03D 7/0208 (2013.01); F05B 2260/90 (2013.01); F05B 2270/32 (2013.01); F05B 2270/321 (2013.01);
Abstract
Provided is a wind turbine including an active yaw system realized to maintain an upwind orientation of the wind turbine aerodynamic rotor during safe operating conditions, which active yaw system includes a number of yaw drive units, and wherein a yaw drive unit includes a negative brake; a principal power supply configured to supply power to the active yaw system during normal operation of the wind turbine; and a dedicated negative brake reserve power supply configured to supply power to the negative brakes in the event of a grid disconnect. A method of operating such a wind turbine is also provided.