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:
Apr. 04, 2023
Filed:
Jan. 30, 2020
Applicant:
S&c Electric Company, Chicago, IL (US);
Inventor:
Thomas J Tobin, Northbrook, IL (US);
Assignee:
S&C Electric Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/04 (2006.01); H02H 7/26 (2006.01); G01R 31/08 (2020.01); G01R 19/165 (2006.01); H02H 1/04 (2006.01); H02H 1/06 (2006.01); H02H 3/00 (2006.01); H02H 3/08 (2006.01); H02H 3/093 (2006.01);
U.S. Cl.
CPC ...
H02H 7/261 (2013.01); G01R 31/085 (2013.01); H02H 1/04 (2013.01); H02H 3/006 (2013.01); H02H 3/08 (2013.01);
Abstract
Described are curve shapes that may be implemented in a transformer protector that provide enhanced fault protection. A transformer protector curve rating structure relates response curves to the transformer size and simplifies selection of response curves implemented within a transformer protector and associated transformer.