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:
Feb. 03, 2015
Filed:
Jan. 13, 2011
Applicants:
Björn Andresen, Ostbirk, DK;
Steffen Wulff, Bremen, DK;
Inventors:
Björn Andresen, Ostbirk, DK;
Steffen Wulff, Bremen, DK;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 3/06 (2006.01); H02J 3/18 (2006.01); H02J 3/38 (2006.01);
U.S. Cl.
CPC ...
H02J 3/18 (2013.01); H02J 3/383 (2013.01); H02J 3/386 (2013.01); Y02E 10/763 (2013.01); Y02E 40/30 (2013.01); Y02E 10/563 (2013.01);
Abstract
A converter device (for power conversion in e.g. a power plant such as a wind turbine is disclosed. An individual controller is provided for each phase of an electrical output power of the converter. If a voltage of one phase is indicated as being out of a predetermined voltage band, an active current of this phase is set to zero and optionally a reactive component of this phase is set to a value that depends on the indicated voltage.