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. 18, 2020
Filed:
Jan. 19, 2017
Applicant:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Inventors:
Rangarajan M. Tallam, Germantown, WI (US);
Jiangang Hu, Grafton, WI (US);
Brian P. Brown, Mayville, WI (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 27/18 (2006.01); G01R 31/02 (2006.01); H02M 5/458 (2006.01); G01R 31/40 (2020.01); B60L 3/12 (2006.01); H02H 3/16 (2006.01); B60L 3/00 (2019.01); B60L 3/04 (2006.01); H02H 7/12 (2006.01);
U.S. Cl.
CPC ...
G01R 31/025 (2013.01); B60L 3/0069 (2013.01); B60L 3/04 (2013.01); B60L 3/12 (2013.01); G01R 31/40 (2013.01); H02H 3/16 (2013.01); H02M 5/458 (2013.01); B60L 2220/42 (2013.01); H02H 7/1216 (2013.01); Y02T 10/646 (2013.01);
Abstract
Power conversion systems, ground fault detection apparatus and methods to detect and identify ground faults in a power conversion system using AC coupling to sense a system voltage to determine a leakage flux linkage, and to identify a faulted converter phase based on a phase shift angle of the leakage flux linkage.