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:
Dec. 11, 2007
Filed:
May. 26, 2006
Applicants:
Mukul Rastogi, Murrysville, PA (US);
Marc F. Aiello, Oakmont, PA (US);
Richard H. Osman, Pittsburgh, PA (US);
Inventors:
Mukul Rastogi, Murrysville, PA (US);
Marc F. Aiello, Oakmont, PA (US);
Richard H. Osman, Pittsburgh, PA (US);
Assignee:
Siemens Energy & Automation, Inc., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/04 (2006.01); H02P 7/622 (2006.01); H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable frequency drive including a plurality of power cells that are configured as three phases of series-connected cells to deliver power to a load. The drive is operated to increase the output voltage of each power cell using overmodulation.