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:
Oct. 13, 2020
Filed:
Jun. 16, 2016
Applicant:
General Electric Technology Gmbh, Baden, CH;
Inventor:
James Blake, Scottsdale, AZ (US);
Assignee:
GENERAL ELECTRIC TECHNOLOGY GMBH, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/62 (2020.01); G01R 29/16 (2006.01); H02H 3/26 (2006.01); H02H 3/34 (2006.01); H02H 7/04 (2006.01); H02H 1/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/62 (2020.01); G01R 29/16 (2013.01); H02H 1/0007 (2013.01); H02H 3/26 (2013.01); H02H 3/34 (2013.01); H02H 7/042 (2013.01);
Abstract
The open-phase condition of a standby power transformer is detected by monitoring functions of the phase currents. The functions have parameters calculated based on reference currents, which constitute a 'fingerprint' when all the phases are connected.