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. 19, 2021
Filed:
Aug. 23, 2018
Applicant:
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Inventor:
Kanchanrao Gangadhar Dase, Pullman, WA (US);
Assignee:
Schweitzer Engineering Laboratories, Inc., Pullman, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2020.01);
U.S. Cl.
CPC ...
G01R 31/088 (2013.01); G01R 31/085 (2013.01);
Abstract
A technique includes determining an approximate location of the fault based at least in part on a local current measurement and a local voltage measurement from a local relay and a remote current measurement and a remote voltage measurement from a remote relay. The technique includes determining a corrected location of the fault based on the approximate fault location and a correction factor. The correction factor is based on a propagation constant of the power line.