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:
Nov. 05, 2024
Filed:
May. 26, 2020
Applicant:
Vestas Wind Systems A/s, Aarhus N, DK;
Inventors:
Assignee:
VESTAS WIND SYSTEMS A/S, Aarhus N, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 7/00 (2006.01); F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
F03D 7/0224 (2013.01); F03D 7/0296 (2013.01); F05B 2260/966 (2013.01); F05B 2270/328 (2013.01); F05B 2270/331 (2013.01); F05B 2270/334 (2013.01); F05B 2270/342 (2020.08); F05B 2270/703 (2013.01);
Abstract
The present invention relates to a rotor control system for actuating pitch of pitch adjustable rotor blades of a wind turbine in order to reduce edgewise blade vibrations. The system comprises a pitch actuation unit being arranged to receive an edgewise load signal and apply m-blade coordinate transformations, such as the Coleman transformations, to the edgewise load signal. Based on a selected signal component at either a backward whirling frequency or a forward whirling frequency, a modified modification signal is obtained.