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. 24, 2015
Filed:
Nov. 01, 2013
Applicant:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Inventors:
Russel J. Kerkman, Milwaukee, WI (US);
Carlos D. Rodriguez-Valdez, Glendale, WI (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 25/00 (2006.01); H03L 7/06 (2006.01); H02J 3/26 (2006.01); G01R 29/18 (2006.01); H02J 3/44 (2006.01);
U.S. Cl.
CPC ...
H02J 3/26 (2013.01); G01R 25/00 (2013.01); G01R 29/18 (2013.01); H02J 3/44 (2013.01);
Abstract
A system and method for controlling an electrical device is provided. The method comprises receiving three phase power from a source, decomposing signals representative of power in each phase of the three phase power to provide a positive-sequence component of each phase and tracking the positive-sequence component of each phase via a phase locked loop and a tracking filter.