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:
Mar. 29, 2016
Filed:
Dec. 01, 2011
Lars Gertmar, Vasteras, SE;
Dennis Kron, Untersiggenthal, CH;
Jiuping Pan, Raleigh, NC (US);
Yao Chen, Beijing, CN;
Richard W. Vesel, Hudson, OH (US);
Arash A. Babaee, Mississauga, CA;
Lars Gertmar, Vasteras, SE;
Dennis Kron, Untersiggenthal, CH;
Jiuping Pan, Raleigh, NC (US);
Yao Chen, Beijing, CN;
Richard W. Vesel, Hudson, OH (US);
Arash A. Babaee, Mississauga, CA;
ABB Research Ltd., Zurich, CH;
Abstract
An apparatus for use in an electrical power generation plant. The apparatus includes: at least two adjustable speed drives, each connected, on an alternating current side, to an associated auxiliary motor; at least one reactive power consuming auxiliary device connected to an alternating current bus; a controller; a converter for converting alternating current to direct current or vice versa between the alternating current bus and a direct current bus; and at least one electrical power source arranged to provide power to the direct current bus. Each of the at least two adjustable speed drive is connected, on a direct current side, to the direct current bus.