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:
Jul. 13, 2021
Filed:
Jan. 23, 2018
Applicant:
Siemens Gamesa Renewable Energy A/s, Brande, DK;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 9/00 (2016.01); H02P 9/04 (2006.01); H02P 21/05 (2006.01); H02P 21/22 (2016.01); F03D 9/25 (2016.01); H02P 101/15 (2016.01);
U.S. Cl.
CPC ...
H02P 21/05 (2013.01); F03D 9/25 (2016.05); H02P 21/22 (2016.02); H02P 2101/15 (2015.01);
Abstract
Provided is a method of controlling a permanent magnet generator, the method including: measuring mechanical noise of the generator; deriving two quantities indicative of an amplitude and a phase of an undesired harmonic of the measured noise; deriving, based on the quantities, a current to be injected in stator coils of the generator such as to reduce the undesired harmonic.