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:
Aug. 07, 2018
Filed:
Nov. 28, 2014
Applicant:
Vestas Wind Systems A/s, Aarhus N, DK;
Inventors:
Assignee:
VESTAS WIND SYSTEMS A/S, Aarhus N, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 11/00 (2006.01); H02J 9/00 (2006.01); H02J 3/38 (2006.01); F03D 9/25 (2016.01); F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
H02J 11/00 (2013.01); F03D 7/0204 (2013.01); F03D 9/25 (2016.05); F03D 9/257 (2017.02); H02J 3/386 (2013.01); H02J 9/00 (2013.01); Y02E 10/763 (2013.01);
Abstract
Auxiliary power is required by each generator to orient the rotor blades to face the wind direction and also for other control and safety functions. This auxiliary power is normally extracted from the power generated within each wind turbine generator. During servicing, auxiliary power is supplied from neighbouring generators using dedicated low-voltage cables. In the event of a fault in the high-voltage cable, connecting one of the groups of generators to the sub-station, these low-voltage cables are used to supply the generators within this group with auxiliary power from the output of one or more of the generators, in the other group of generators.