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:
Jul. 09, 2019
Filed:
Dec. 21, 2015
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Assignee:
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 15/18 (2006.01); G01R 35/00 (2006.01); G01R 19/00 (2006.01);
U.S. Cl.
CPC ...
G01R 35/005 (2013.01); G01R 15/18 (2013.01); G01R 19/0092 (2013.01); G01R 35/00 (2013.01);
Abstract
Systems and methods are disclosed for calibration and compensation of on-line current transformers. In certain embodiments, a method to calibrate a single current transformer by use of an AC injected current is provided. In other embodiments, a method to calibrate and compensate multiple current transformers using a single AC injected current is provided. In further embodiments, a system for calibration and compensation of multiple current transformers is provided. The adequate frequency of the injected current as well as other characteristics for adequate use in some embodiments is provided.