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. 03, 2026
Filed:
Jan. 19, 2022
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Vedanta Pradhan, Bhubaneswar, IN;
Od Naidu, Bangalore, IN;
Assignee:
HITACHI ENERGY LTD, Zürich, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 27/16 (2006.01); H02H 1/00 (2006.01); H02H 7/22 (2006.01);
U.S. Cl.
CPC ...
G01R 27/16 (2013.01); H02H 1/0007 (2013.01); H02H 7/22 (2013.01);
Abstract
A device or system for use with an electric power system is provided. The electric power system has a first bus, a second bus, a third bus, a first line between the first and second buses, and a second line between the third bus and one of the first and second buses. The device or system is operative to determine, responsive to at least one trip event, one or several updated impedances of an equivalent model across a line.